Define what is proeutectoid ferrite and cementite?

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How we describe strain aging based on dislocation theory?

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What are allotropes?

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I currently use 17-7 PH stainless which is hardened to condition CH after forming. raw matl is .1.75"X .12" X .008". Its main usage after hardening is silicon wafer retainer where it's contantly cycled up and down to putin and remove wafer after 40-60 sec process at 400C temp. At this high temperature this part seemed to deform after a a couple of hundred wafer which is what it was designed for in the first place. THere is a proposal to go to a different material to increase lifeline of this part. My question is..... can 321 SST be a plugin replacement. I know this has a higher temp rating but how about its forming characteristics, will it have spring properties, and wont become brittle after prolonged exposure to 400C.

0 Answers   Novellus,

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Define what medal conducts heat best?

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Explain any method through which molds can shine after casting?

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Why duplex or super duplex stainless steels are welded with low heat input type electrode?

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What is the difference between IS:2062-92 Gr A and IS:2062 Fe 410

1 Answers   M&M Associates, MM Enterprises,

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Explain the concept of casting and forging?

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Define stiffness.

0 Answers   Essar,

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what is special about the properties of chromium molybdenum steels that make them ideal for pressure vessels?

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Explain the purpose of riser?

0 Answers   NIC,

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