Powdered Metal Parts banner

Powder Metallurgy

A reliable source for Powder Metallurgy information and leading Powder Metallurgy Companies & Manufacturers.

Metallic powders are used in powder metallurgy to create shaped components, which might be finished or semi-finished goods. Powder metallurgy, also known as press-and-sinter processing, is a more and more popular method for producing application-specific metal parts than conventional methods of forging at softening temperatures or casting from molten metal. Read More…

Powder Metallurgy Powder metallurgy utilizes metallic powders in the manufacture of shaped components which may be finished or semi-finished products.
Request For Quote

Leading Manufacturers

Tulsa, OK  |  918-663-7511

Since 1967, PSP has been a leader in small, intricate custom powdered metal parts for a wide range of industries, such as Sports & Recreation, Power Tools, Industrial Equipment, Oil & Gas.

Request A Quote

Precision Sintered Parts $$$

Auburn Hills, MI  |  248-296-7800

We have been doing sintered metal parts since our beginning. Our research and development team works hard to ensure that our products are on the leading edge of technological innovation at all times because we know how important state of the art products are to our customers. To learn more get in touch with our customer service department using telephone or email today!

Request A Quote

GKN Sinter Metals $$$

St. Marys, PA  |  814-834-4004

Horizon Technology has been providing cost-effective solutions for metal powder products since 2001. Since then, we've tapped into a wealth of powder metallurgy experience to form a Technology Network and create unique opportunities for you to convert components to powdered metal - components that were previously thought impossible to produce with powdered metal technology. Our company operates on values that directly benefit you, your product, and your supply chain. Contact us today for more information.

Request A Quote

Horizon Technology, Inc. $$$

Emporium, PA  |  814-486-1768

PSM BrownCo brings you the best in powdered metal processing. We are an ISO 9001:2008 certified company serving appliance, automotive, electrical, hardware and other industries. We use brass, bronze, nickel, iron, steel & aluminum materials. Since powder metallurgy is one of today's fastest-growing technologies, you should contact PSM BrownCo for your needs.

Request A Quote

PSM BrownCo $$$

Commerce, CA  |  323-725-3550

ASCO Sintering Co., based in Los Angeles, California, USA specializes in complex custom high quality powdered metal sintering solutions. ASCO uses advanced proprietary planetary gear technology that uses high strength material that results in final cost far below CNC machined or MIM solutions. The company is ISO 9001: 2008 certified; the parts conform to CE and ATEX standards. ASCO is privately owned by its employees many of whom are Six Sigma trained and have years of engineering experience.

Request A Quote

ASCO Sintering $$$
placeholder image Precision Sintered Parts GKN Sinter Metals Horizon Technology, Inc. PSM BrownCo ASCO Sintering

Powder Metallurgy

Powder Metallurgy Design

Powder metallurgy warms metals to temperatures slightly below the melting point to compress and mix metal components. The granules maintain their unique features since there is no real melting. These metal powders can be elemental, partially alloyed, or pre-alloyed, enabling the development of incredibly distinctive and, more critically, extremely precise metal compositions. Steel, iron, bronze, copper, and other metals are frequently used in powdered metallurgy and other processes.

Powder Metallurgy Process

Powder metallurgy has three fundamental steps:

Stage 1

The main ingredient or materials must first be ground into powder. There are several tools available for this specific use. These mechanisms use pulverization, chemical reduction, electrolytic methods, mechanical alloying, atomization, and flaking, with the last two being the most popular, to turn stock metal into powder or finely divided metals.

Stage 2

After that, the particles are pumped into a compact die or mold. These give the final product's structure its structural restrictions. Powder metallurgy is skilled in producing complicated pieces requiring bends, projections, and depressions when the molds are executed.

Stage 3

Consolidation is the last step after the mold is filled. Different consolidation procedures might be applied, just like in the first stage. Cold isostatic pressing, uniaxial pressing, sintering, hot isostatic pressing, hot powder forging, and metal injection molding are all possibilities. Each entails a lot of pressure, but cold procedures must use much more pressure to achieve the cohesiveness that heated consolidation can achieve. A solid metal with varying characteristics and porosity is the result. In addition to the mechanisms employed, factors must be considered, including metal selection, completed product size, and number of items produced.

Powder Metallurgy Process

Applications of Powder Metallurgy

The following are some applications of powder metallurgy:

  • Used to create porous components, such as filters
  • Powder metallurgy creates some of the tungsten components used in jet engines.
  • Moving parts for automobiles, such as piston rings, connecting rods, clutch plates, and camshafts
  • A wide variety of soft and hard magnetic components
  • Steel and diamond powder is used to make grinding wheels.
  • Silver-infiltrated tungsten is used to make the nozzles for rockets and missiles.
  • It is used to create intricately formed components, such as gears, that, when created using other techniques, necessitate machining.
  • Metallic and non-metallic materials are combined to create electrical bushes for motors.
  • Powder metallurgy creates components for devices like clocks, typewriters, calculators, permanent magnets, etc.
Powder Metallurgy Products

Advantages of Powder Metallurgy

Eco-Friendliness

An environmentally friendly production technique is powder metallurgy. Using powder metallurgy, an incredible 97% of the material needed to make the pieces end up in the finished product. There is virtually little waste and no scrap in powder metallurgy. The final component contains every powder particle used in the procedure. Not only is there less waste, but there are also huge financial savings as a result.

Flexibility of Materials Used and Products Created

In contrast to other procedures, powder metallurgy may combine and blend several metals and nonmetals into a product. With binding material, strange and unusual combinations can be combined to form a single part. Because powder metallurgy can blend many elements and crush them into a single shape, complicated metallurgical techniques can be avoided. Powder metallurgy can create any shape, including simple gears and complicated and complex designs. The technology's ongoing development is opening the door to various applications.

Almost Net Shape

Powder-metallurgy-generated parts and goods don't need any additional processing. Each component is almost a net shape, so finishing is unnecessary. Powder metallurgy components also offer incredibly high dimensional precision.

Available and Economical Raw Materials

Since a scarcity of resources can cause production to slow down or stop, the availability of raw materials is a persistent issue for manufacturing processes. Powder metallurgy can use readily available and reasonably priced raw materials. Metal powders are a relatively common everyday material easily accessible from numerous producers. As demand for powder metallurgy increases, more suppliers are creating fabrication procedures to satisfy it.

Repeatability in Product Accuracy

Every component in mass manufacturing must adhere to the dimensional specifications specified in the design, from the very first to the very last. However, the degradation during production in some procedures results in flaws and variations in the individual parts. Such mistakes are prevented by the consistency and reproducibility of the powder metallurgy process, which guarantees that each item has accurate dimensions.

Powder Metallurgy Limitations

  • The price of the material in powder form is fairly costly.
  • Complex products are challenging to manufacture because the metal powder does not flow well during compaction.
  • The remaining porosity in sintered pieces gives them a rough surface.
  • Due to the high cost of dies and equipment, this procedure is commercially viable only for large-scale production.
  • Due to expensive dies, producing parts of large size and weight is highly expensive.
  • Some metal powders are challenging to compress, and some are challenging to find.
  • The density of the compact is not constant.
  • Compared to other methods, powder metallurgy produces parts with low impact and fatigue strength.
  • Powder metallurgy can cause health issues brought on by workplace air pollution.

Powder Metallurgy Manufacturers Informational Video

 

Powder Metal Parts Power Pages

Powder Metallurgy

Powder Metallurgy

Powder metallurgy is a manufacturing process that produces precision and highly accurate parts by pressing powdered metals and alloys into a rigid die under extreme pressure. With the development and implementation of technological advances...

Bevel Gears

Bevel Gears

A bevel gear is a toothed rotating machine element used to transfer mechanical energy or shaft power between shafts that are intersecting, either perpendicular or at an angle. This results in a change in the axis of rotation of the shaft power...

Cold Heading & Cold Forming

Cold Heading & Cold Forming

Cold forming can be defined as the process of continuously forming a specific shape or design from a metal wire without adding heat. This is aided by hammers, dies, and punches at a very high speed...

Metal Forming Services
Featured Industries