The benefits of using powder metallurgy

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The benefits of using powder metallurgy

Powder Metallurgy What is Powder Metallurgy? Powder metallurgy PM is a unique, highly developed method of manufacturing ferrous and nonferrous parts. It is a versatile, cost-effective, and constantly expanding technology that is rapidly gaining worldwide popularity.

The PM process begins with thorough blending of carefully weighed powdered metals or alloys to produce uniform distribution of the particles. Typical metal powders include bronze, brass, nickel, silver, iron-nickel and various grades of stainless. The resultant blends may include specified quantities of die lubricants, graphite, and other additives.

The second and probably most important stage of productions is the compacting or pressing stage. Predetermined amounts of blended powder are fed into die cavities and compacted into the desired shape, size and density.

At this stage the parts have sufficient green strength for in-house transport and handling prior to the sintering operation. Sintering takes place in a continuous belt-driven controlled atmosphere furnace at a temperature below the melting point of the primary metal constituent used.

The benefits of using powder metallurgy

The sintering process bonds the powder particles together metallurgically by atomic transfer. Additionally, it evacuates the fillers and lubricants creating an increase of part strength along with a specific porosity level. Depending on the metal used and tailored density, tensile strength can range from 8, psi topsi after sintering.

What are the benefits of Powder Metallurgy? The advent of so many technological advances in the powder metallurgy field makes it the up and coming low-cost producer of bushings, bearings, and structural parts.

The PM process is capable of producing several hundred to many thousand parts per hour with close dimensional tolerances maintained part to part. As a result, only minor, if any machining is required. Complex parts requiring irregular curves, eccentrics, radial projections, or recesses often can be produced only by Powder Metallurgy.

Parts that require irregular holes, keyways, flat sides, or square holes that are not easily machined can usually be made by Powder Metallurgy.

PM provides for controlled permeability and allows for the use of inventive composites with unique properties. There is great versatility with a wide latitude of part shape and design along with extensive material flexibility.

To summarize, the PM process provides close dimensional tolerance, minimal machining, good surface finish, and excellent part-to-part reproducibility from moderate to high volume part production.Member Benefits If you join as a Full Member of the EPMA you can secure these 10 benefits for your business: Improve your market knowledge through access to .

Production of components via powder metallurgy has many potential advantages when compared to producing them via conventional methods, such as machining from billets. Some of these advantages include: 1. Huge potential savings in production by using powder metallurgy which is .

Powder metallurgy is a system of metal or metal powder (and non-metallic powder or metal powder mixture) as a raw material, forming and sintering, the manufacture of metal materials, composite and various types of products, technology.

Powder Metallurgy (PM) is a method of mixing fine powdered metals or alloy materials and compressing them into a desired form or shape and then heating it in a controlled environment to bond the compressed material. The process generally involves four steps, viz., powder manufacturing, blending, compacting and sintering.

The highly precise forging capability of PM helps build components with. Powder metallurgy (PM) is a term covering a wide range of ways in which materials or components are made from metal powders. PM processes can avoid, or greatly reduce, the need to use metal removal processes, thereby drastically reducing yield losses in manufacture and often resulting in lower costs.

Over the years, powder-metallurgy companies have received many awards for complex designs in mass-produced parts in the aerospace, power, medical, and automotive industries to prove the validity.

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