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CO-EFFICIENT LINEAR EXPANSION - CHROME PLATE/17-4 PH STAINLESS STEEL 1

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mands

mands

Mechanical
Joined
Sep 30, 2002
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6
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GB
can anybody please explain how the differences in co-efficients of linear expansion for chrome plating and 17-4 PH stainless steel can cause macro-cracks (crazing efect) after heat generated from post plate polish.

Thanks
Mandy
 
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The heat generated by polishing raises the temperature. The stainless expands much more than the chromium. The chrome plate, while hard, has little ductility and separates between the dendrites which form the plate.
 
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