{"id":20465,"date":"2025-04-17T05:08:17","date_gmt":"2025-04-17T05:08:17","guid":{"rendered":"https:\/\/www.sinteredfilter.net\/?p=20465"},"modified":"2025-05-14T07:27:24","modified_gmt":"2025-05-14T07:27:24","slug":"powder-metallurgy","status":"publish","type":"post","link":"https:\/\/www.sinteredfilter.net\/es\/powder-metallurgy\/","title":{"rendered":"The Complete Guide to Powder Metallurgy Process: Steps, Applications & Benefits"},"content":{"rendered":"

This comprehensive guide explores powder metallurgy fundamentals, process flow, and applications across industries. Learn about the step-by-step manufacturing process, quality control methods, economic benefits, and technical advantages.<\/p>\n

Whether you’re new to PM technology or seeking deeper insights, discover how this versatile manufacturing method creates precision components with unique properties and performance characteristics.<\/p>\n

\"Metalurgia<\/p>\n

Understanding Powder Metallurgy: Definition and Fundamentals<\/h2>\n

Powder metallurgy (PM) is a relatively advanced metal powder forming method which is used to impart special properties to materials which are difficult, expensive or inconvenient to obtain by conventional processing methods. In this chapter, we present its fundamental architecture, its historical development, and its increasing importance for modern manufacturing processes.<\/p>\n

What is Powder Metallurgy and How Does It Work?<\/h3>\n

Powder metallurgy (PM) is the process of forming metal parts by heating compacted metal powders to just below their melting point. The method involves compacting powders of metal in a mold of the die and heating them to a temperature below point of melting. Called sintering, this heating process fuses particles with atoms migrating between areas.<\/p>\n

The technology depends on accurate control of particle behaviour. Greater surface area with finer particles for better adhesion. During the compaction pressure penetration creates initial contact points between the particles. The diffusion mechanisms between particles are activated by temperature during sintering.<\/p>\n

The microstructure that develops is not that of a cast or wrought metal. In PM parts, porosity can be controlled and useful for certain applications. This method allows parts to be produced with complex shapes, close tolerances, and unique material combinations.<\/p>\n

Historical Development of Powder Metallurgy Technology<\/h3>\n

The history of powder metallurgy dates to ancient civilisations. Iron powder was used by Egyptians for iron tools around 3000 BCE. An early application of modern PM was the fabrication of tungsten filaments for incandescent light bulbs.<\/p>\n

There were huge strides made in the 1920s by the automotive industry. Self-lubricating bearings were the first PM parts to be produced in large volume. World War II advanced the industry with military demands for precision parts.<\/p>\n

The 1960s witnessed the evolution of PM manufacturing with the advent of automated production lines. Processes controlled by computers in the 1980s upped consistency and quality. Modern simulation and manufacturing technology is now capable of producing highly complex shapes with excellent material properties.<\/p>\n

Key Terminology and Concepts in Powder Metallurgy<\/h3>\n

Particle size distribution is a measurement of the number of particles in powder that are larger or smaller than particles of a certain dimension. When you communicate a lower velocity in the pursuit of lower-pressure drop, you also communicate finer particles with limited transport effect, very little penetration and very sharp trajectories, which in turn will increase the dust-collector area but decrease the flowrate. By the term “green strength,” it is meant the resistance of a compacted part to breakage prior to sintering.<\/p>\n

Porosity gauges empty space within a completed part. A more desirable characteristic of such a pad is that of controlled porosity, in order to support the oil impregnated bearing. Densification is the compaction that occurs when particles adhere to one another during sintering.<\/p>\n\n\n\n\n\n\n
Term<\/th>\nDefinition<\/th>\nSignificance<\/th>\n<\/tr>\n
Green Density<\/td>\nCompacted density before sintering<\/td>\nForecasts final part properties<\/td>\n<\/tr>\n
Tap Density<\/td>\nDensity of the powder after compaction of the vibration<\/td>\nPowder flowability<\/td>\n<\/tr>\n
Sintering Window<\/td>\nThe range to which particle bonding can be varied<\/td>\nDetermine final mechanical behavior<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Other factors of primary importance are bulk density, throughput and compressibility. These specifications help the engineers to predict the process behavior and the component quality at the end of the process.<\/p>\n

The Powder Metallurgy Process Flow: Step-by-Step Breakdown<\/h2>\n

The powder metallurgy production process consists of several steps, during which raw metal powder becomes a finished component. Every single step affects your final outcome and it is crucial to control them to achieve highest quality and performance.<\/p>\n

Powder Production Methods and Material Selection<\/h3>\n

Metal powders are obtained by various processes. In atomization, molten metal is sprayed through gas or water jets. Production of metals: From the metal oxides, the reduction using reducing agents gives the metals. Electrolysis plates metal out of solutions onto electrodes.<\/p>\n

Powder properties have a large influence on processing. Spherical particles enhance flow at the expense of green strength. However, non-circular particles intensify mechanical interlocking in the compaction process. The sintering and surface area of \u03b2-TCP are dependent on particle size.<\/p>\n

Choice of material dependent upon the application. Iron and copper powders are preferred for their low cost. Specialty alloys are used for more demanding applications. When it comes to choosing materials used for construction, manufacturers evaluate several factors, like the type of material, the type of material the product is made of, as well as the strength, compressive strength, and wear resistance.<\/p>\n

Mixing and Blending: Preparing the Optimal Powder Composition<\/h3>\n

Blending involves the combination of base metal powders with required additives. Lubricants, such as zinc stearate, minimize the friction between the die wall. Binders Enhance Green Strength Binders enhance the green strength. Graphite additives give finished parts self-lubricating features.<\/p>\n

Homogeneous mixtures for uniform properties by use of double-cone blenders. The mixing time is from 15-60 minutes depending on the properties of the powder. Inadequate mixing will result in property differences through out the part.<\/p>\n

Good homogenization avoids particle size segregation. The quality of the mixture is verified by homogeneity testing prior to carry-over. The better blended the powders, the better the die filling, the uniformity of compaction and final dimensional control.<\/p>\n

\"Powder<\/p>\n

Compaction Techniques and Die Technology<\/h3>\n

Uniaxial pressing constrains the application of the load to a single face or a pair of faces. This common procedure is appropriate for simple geometries. Isostatic compaction applies fluid pressure for even density in an irregular shape.<\/p>\n

Die design deals with powder flow, density gradients and ejection forces. High compaction pressures are possible with hardened tool steels. Die wall lubrication minimizes ejection damage to green compacts.<\/p>\n

The compaction pressure is generally in the range of from 100 to 700 MPa. Increased pressure will make it denser but may harm the tools. In warm compaction, powders are heated to 130-150\u00b0C, which enhances the particle deformation and bonding during die pressing.<\/p>\n

Sintering Process: Parameters, Equipment and Controls<\/h3>\n

Hot sintering generates metallurgical coupled states among powders without complete smelting. Temperature ranges about 0.7-0.9 times the melting temperature of the material. Copper components sinter at 760-900\u00b0C and steel at 1120-1290\u00b0C.<\/p>\n

Atmosphere control stops oxidization on heating. Reactive metals are shielded with hydrogen, nitrogen or vacuum. Small Parts Continuous Belt Furnaces High Production Rates<\/p>\n

The sintering profile consists of heating, holding and cooling stages. The temperature rising speed has inhibited the thermal shock. The duration of holding supplies sufficient time for full diffusion. Controlled cooling is used to avoid distortion and unwanted phase transformation.<\/p>\n

Secondary Operations and Finishing Techniques<\/h3>\n

Sizing corrects the dimensional change due to sintering. Densification and surface finish both are enhanced by repression. Machining provides features which are difficult to form in compression.<\/p>\n

Mechanical properties are improved via heat treatments. Carburization is raised surface hardness. Oil soaked parts become self lubricating. Steam processing enhances resistance to corrosion.<\/p>\n

Surface finishing may include tumbling, plating, and coating. Tumble deburring eliminates burrs and sharp edges. Electroplating provides anticorrosion protection. PVD coatings are also used to increase the wear resistance of tooling, cutting, and forming tools due to its low friction and heat resistance.<\/p>\n

Applications and Industries Utilizing Powder Metallurgy Components<\/h2>\n

PM (Powder Metallurgy) parts perform vital functions in a variety of applications. These engineered components provide distinctive performance advantages and may also be more economical vs. traditional manufacturing methods.<\/p>\n

Automotive and Transportation Applications<\/h3>\n

Most cars today handle several P\/M compatible parts. PM’s ability to hold bearings in pantograph linkage, engine connection rods, valve seats, timing gears-who can forego the dimensional stability it provides! PM synchronizer hubs and planet carriers (PC) are used in transmission systems.<\/p>\n

Powder metallurgy is used to make parts with controlled porosity. This feature allows for oil soaked bearings in the steering system. Particulate matter (PM) cuts down on vehicle weight while providing more strength.<\/p>\n

PM is appreciated by the automotive industry for its near-net-shape capability. This reduces machining and waste of material. PM is well-suited to mass production of vehicle parts, due to its cost and scale of manufacture.<\/p>\n

\"Powder<\/p>\n

Industrial Machinery and Equipment Components<\/h3>\n

Manufacturing Equipment Relies on Powder Metallurgy Components for Dependability. It is an unquestionable fact that powdered metal parts are dependable. There are few mechanical conveying systems in the world that can match the manufacturing craftsmanship and design of a CDLR using sprocket and chain style drive rollers. Power tools contain PM gears and structure to reduce the weight.<\/p>\n

Self-lubricating pumps and compressor liners require less maintenance. Such elements hold lubricant in a controlled porosity. Example of industrial cutting tools that are benefited for PM by the hard particles combined with tough matrices.<\/p>\n

PM parts are used in hydraulic system of heavy machinery. These components handle high pressures and dirty environments. The dimensional stability of PM components allows for reliable performance in changing operating environments.<\/p>\n

Aerospace and Defense Industry Applications<\/h3>\n

Aerospace applications require superior material properties. PM superalloys are used for high temperature strength in components for turbine engines. PM titanium is a high-strength material commonly used in structural brackets.<\/p>\n

PM components are used in guns and ammunition for defense systems. They ensure high performance even in any tough environment. Radar and communications instruments include PM materials having well-defined electromagnetic functionality.<\/p>\n

The aerospace industry has long appreciated PM’s capability for producing intricate internal geometries. Optimized (but otherwise impossible) flow paths are followed through cooling channels. Critical parts are subjected to hot isostatic pressing to remove all porosity.<\/p>\n

Medical and Consumer Products Applications<\/h3>\n

Bio-compatibility benefits of the PM technology find application in medical devices. The material used for osseointegration in dental implants is PM titanium. Corrosion resistance by PM stainless steel is helpful for surgical instruments.<\/p>\n

Porosities on the surfaces of implant are formed via PM methods in orthopedic implant. Such surfaces enhance bone ingrowth and long-term stability. PM is used to provide uniform material properties throughout the complex geometries of the implant.<\/p>\n

PM materials are used in consumer goods, such as electronics and appliances. Gears in power tools can be made small, yet durable. The cost-effective process of PM is of advantage to domestic appliance components which are produced in large volume.<\/p>\n

Advantages and Limitations of Powder Metallurgy Process<\/h2>\n

Recognizing the strengths and limitations of the powder metallurgy process can enable designers select an appropriate process for their application. This middle-of-the-road overview of when PM provides best value is set against when PM will not and alternative approaches are most appropriate to particular needs.<\/p>\n

Economic Benefits and Cost Efficiency Factors<\/h3>\n

Powder metallurgy offers one of the best opportunities for material property utilisation. If compared to milling, a machine waste of 97% is down to 60-70%. Tooling cost for high-volume production runs distributed over thousands of parts.<\/p>\n

Energy use remains less than for casting or forging. Less energy is needed to sinter than for melting the entire components. The labor saving brings about competitive advantage, without lowering the quality.<\/p>\n\n\n\n\n\n\n
Manufacturing Method<\/th>\nMaterial Utilization<\/th>\nEnergy Consumption<\/th>\nSecondary Operations<\/th>\n<\/tr>\n
Powder Metallurgy<\/td>\n95-98%<\/td>\nBajo<\/td>\nM\u00ednimo<\/td>\n<\/tr>\n
Mecanizado CNC<\/td>\n60-70%<\/td>\nMedio<\/td>\nAmplia<\/td>\n<\/tr>\n
Die Casting<\/td>\n85-95%<\/td>\nAlta<\/td>\nModerado<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

If production will be above 10,000, then the return on an investment in PM tooling can usually be justified. The greatest cost savings will be achieved for more complex geometries, which would have required 2 or more machining operations.<\/p>\n

Technical Advantages: Precision, Material Properties and Design Freedom<\/h3>\n

Structural tolerance \u00b10.1mm without secondary process under powder metallurgy. Internal geometries such as complex contours are created in a single process. Even Distribution of Density Uniform density distribution is guaranteed during the production process, resulting in consistent mechanical efficiency in the whole parts.<\/p>\n

Material combinations that cannot otherwise be realized are now possible! Sewage utility bearings are metals and have the added feature of lubricant pockets. Metal matrix friction materials containing abrasive particles for controlled performance.<\/p>\n

Microstructural control exceeds that of cast or wrought counterparts. The Strength and Toughness Become Higher and Because a finer grain structure is achieved. Regulated porosity provides for a filter member having a desired flow characteristic.<\/p>\n

Environmental and Sustainability Considerations<\/h3>\n

Powder Metallurgy process minimizes material waste. Near-net-shaped manufacturing reduces scrap. The vast majority of process trim can be reintroduced into the process as fiber.<\/p>\n

Energy efficiency is superior to other processes. Feed material becomes final form without complete melting. Compaction at room temperature is an energy-wise low-cost process, in contrast with high temperature shaping technologies.<\/p>\n

Less hazardous emissions are generated from PM processes. The water based lubricants take the place of oils in a number of uses. Contemporary plants use closed-circuit water systems to avoid contamination.<\/p>\n

Limitations and Challenges in Powder Metallurgy Manufacturing<\/h3>\n

However, conventional PM components are restricted to a weight of less than 2 kg due to size restrictions. Larger components encounter as compaction problem with the gradient of density. Between multi-level tooling and higher costs, complex geometries may become quite difficult.<\/p>\n

Initial tooling outlays often can be large. Special material and manufacturing techniques are needed for high precision dies. The profitability is based on the number of units that are made to spread this cost.<\/p>\n

Density restrictions apply to some uses. Traditional PM obtains 85-95% of tantalum theoretical density. Applications reaching to 100% density require further processing such as hot isostatic pressing, raising the cost.<\/p>\n

Quality Control and Testing in Powder Metallurgy<\/h2>\n

Strict quality assurance procedures guarantee the most challenging specifications are met on powder metallurgy parts. The integrity of the material, dimensional accuracy and functional performance is tested during every stage of manufacture.<\/p>\n

Powder Characterization and Raw Material Testing<\/h3>\n

Size characterization: size distribution curves are measured by laser diffraction. These data predict powder flow and compression properties. SEM analyzes the shape and surface of particles.<\/p>\n

Flow rates analysis for powder through standard funnels. This characteristic also influences the uniform filling of die and the rate of production. Loose volume for powder is defined by apparent density.<\/p>\n

Material purity is confirmed through chemical composition verification. Spectrographic investigation revealed some trace elements possibly influencing sintering. Oxygen concentration measurement during processing aids limitation of excess oxide formation.<\/p>\n

In-Process Monitoring and Control Systems<\/h3>\n

After mixing and at regular intervals from the mixing, the uniformity of the mix is sampled and tested for homogeneity. Online systems check mixing time and power consumption. Pilidriates check power dryness prior to compaction.<\/p>\n

Compaction pressure sensors are used for uniform density of the production runs. Tooling wear or powder variation is detected through a force-displacement curve. The green densities depend on the subsequent sintering properties.<\/p>\n

Sintering furnaces have defined temperature profiles over different control levels. Sensors measuring the composition of the atmosphere help to avoid overdrying during heating. Cooling-rate-control strategies reduce distortion in complex parts.<\/p>\n

Finished Component Testing and Performance Validation<\/h3>\n

Final consolidation is checked by density measurement through the measurement of density using Archimedes principle. The microstructural study includes the grain size and porosity distribution statistics. The sintering and heat treatment is verified to be good, as the hardness measurement reveals.<\/p>\n

Inspection is performed dimensionally with the utilization of coordinate measuring machines for critical features. Optical Comparators check intricate profiles up to the print. Checking of surface finish helps to ensure that the parts function as intended in the assembly.<\/p>\n

Mechanical Tests include tensile, yield strength and elongation. Specific tests evaluate fatigue strength and impact projections. Performance testing replicates service with real-world conditions for confirmation.<\/p>\n

\"Quality<\/p>\n

Future Trends and Innovations in Powder Metallurgy<\/h2>\n

The technology of powder metallurgy is advancing with the development of technology and demand in the market. New technologies are broadening capabilities and overcoming old constraints to pave the way for new applications in a variety of industries.<\/p>\n

Advanced Material Development for Powder Metallurgy<\/h3>\n

Nano-structured powders result in materials with outstanding properties. When particles size is below 100nm the sintering activity is also higher and the mechanical strength. It is these materials that provide the opportunity to have devices with entirely new properties.<\/p>\n

Five or more elements are mixed equally in the case of high-entropy alloys. This process produces distinctive crystalline structures, yielding higher strength and corrosion resistance than any other frame material. PM processing maintains such complex compositions but without de-mixing.<\/p>\n

Functionally graded materials have compositions that differ from one component to another. It is a process that leads to parts with wear-resistant surfaces and tough cores. Controlled porosity gradients allow optimized flow of fluid or weight reduction.<\/p>\n

Digital Transformation and Industry 4.0 in Powder Metallurgy<\/h3>\n

Process optimization driven by AI adapts the parameters as it goes. Predict response by ML methods rely on input factors to predict QEs. These systems cut product development time for new parts.<\/p>\n

The digital twin technology models the whole production line ahead of the implementation. Virtual testing uncovers problems before creating a physical prototype. Continuous improvement becomes empirical instead of anecdotal.<\/p>\n

Embedded sensors assess the condition of the devices and forecast their maintenance. Linked systems trace materials from powder to end product. Regarding to complete digitizing compliance suitable with regulation.<\/p>\n

Sustainability Initiatives and Green Manufacturing in PM<\/h3>\n

Green sintering technologies compatible with low carbon footprints. Even when using microwave or spark plasma sintering, energy costs can be reduced by 30-50%. The brevity of the process leads to a growth in production without a growth in plant size.<\/p>\n

Recycled powder flows comprise post-industrial and post-consumer feedstocks. Modern separation methods minimise contaminants in recovered powders. With a closed-loop system, there is minimal waste during production.<\/p>\n

Alternative binding systems substitute the petroleum products with materials derived from plants. There is a lower ecological impact when the powder was water-atomized than produced in gas process. Lean manufacturing concepts remove non-value steps and resources.<\/p>\n

Preguntas frecuentes<\/h2>\n

These typical questions summarize the main points on the powder metallurgy that many readers are interested in. All short answers will be essential to a new-comer and focus on a particular technical aspect.<\/p>\n

What is a Powder Metallurgy Process Flow Chart?<\/h3>\n

A powder metallurgy flow chart graphically illustrates the manufacturing process from the beginning of the raw material process to the end for a part. It represents interlinked stages of powder preparation, compaction, sintering and finishing with appropriate decision points for quality control.<\/p>\n

What are the Main Steps Involved in Powder Metallurgy?<\/h3>\n

Powder metallurgy is made up of five fundamental process stages: powder production, mixing with additives, compacting in a die, sintering to bond the particles metallurgically, and optional secondary operations to yield special properties such as sizing or heat treating.<\/p>\n

What Types of Parts are Typically Produced by Powder Metallurgy?<\/h3>\n

Powder metallurgy does well on complex, near-net-shape parts under 2kg with tight tolerances. Typical applications are gear wheels, bearings, structural brackets, filters or components where the required material properties are not achievable by another alternative manufacturing process.<\/p>\n

What are the Main Disadvantages of Powder Metallurgy?<\/h3>\n

Primary limitations in powder metallurgy include the initial high cost of tooling, size limitations on very large sections, density limitations without secondary processing, and geometric limitation to some undercuts and side features.<\/p>\n

What are the Key Characteristics of Powder Metallurgy Components?<\/h3>\n

PM components have controlled porosity, homogeneous microstructure in addition to good dimensional control, and the capability to introduce multi-components in a single part. They commonly provide high strength, low weight, and good machinability.<\/p>","protected":false},"excerpt":{"rendered":"

This comprehensive guide explores powder metallurgy fundamentals, process flow, and applications across industries. Learn about the step-by-step manufacturing process, quality control methods, economic benefits, and technical advantages. Whether you’re new to PM technology or seeking deeper insights, discover how this versatile manufacturing method creates precision components with unique properties and performance characteristics. Understanding Powder Metallurgy: […]<\/p>\n","protected":false},"author":1,"featured_media":20489,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[180],"tags":[],"class_list":["post-20465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"_links":{"self":[{"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/posts\/20465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/comments?post=20465"}],"version-history":[{"count":11,"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/posts\/20465\/revisions"}],"predecessor-version":[{"id":20593,"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/posts\/20465\/revisions\/20593"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/media\/20489"}],"wp:attachment":[{"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/media?parent=20465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/categories?post=20465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sinteredfilter.net\/es\/wp-json\/wp\/v2\/tags?post=20465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}