Powdered Metal, the Other Molding Type

Powder metal (PM), or metallurgy, is a process of compacting ambient temperature, atomized powder (with a bonding agent on each powder particle). This "green" compacted, "near-set shape" metal component is then sintered (a heat-treating type process) to a hardened condition. At that time, parts can be sized (re-molded, to obtain a closer tolerance), resin-impregnated (to fill pores for plating), oil impregnated (for possible bearing applications), machined, or the process may be complete depending upon the design of the part.

Although the process has existed for more than 100 years, over the past quarter century it has become widely recognized as a superior way of producing high-quality parts for a variety of important applications. This success is due to the advantages the process offers over other metal forming technologies such as forging and metal casting. Advantages include material utilization, shape complexity, near-net shape dimensional control, among others. These, in turn, yield benefits in lower costs and greater versatility.

To learn more, you can click on the links below.

The Powder Metal (P/M) Manufacturing Process
http://www.mpif.org/IntroPM/process.asp?linkid=2

What Industries Use P/M in the Design, Manufacturing and Assembly of their Products?
http://www.mpif.org/IntroPM/usesofpm.asp?linkid=7

Help in Choosing a P/M Material:
http://www.mpif.org/DesignCenter/mat_select.asp?linkid=46

Video Gallery of Various Processes:
http://www.mpif.org/DesignCenter/videoclips.asp?linkid=6

Metal Powder Industries Federation Home Page
http://www.mpif.org

 

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