Forged composite powder metal part and method of making same
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United States of America Patent
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Jan 2, 2018
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N/A
app pub date -
Jun 15, 2012
filing date -
Mar 24, 2006
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Abstract
A forged composite powder metal part, such as a CVJ inner race or bevel gear, and method of making the same are disclosed. The forged composite powder metal part includes a outer section concentrated with a first powder metal material, a inner section concentrated with a second powder metal material and a variable boundary profile between the materials of the two sections. For example, in a forged CVJ inner race, the different materials can provide improved wear resistance in the ball tracks and improved spline performance. As another example, in a forged bevel gear, the different materials can be used to create a continuous variable boundary profile that defines the depth of a harder layer over the teeth.
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