Define what medal conducts heat best?


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Unlike materials as well as materials of different thickness can be butt welded by ?

0 Answers   NIC,


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,


Do you know define what metal might be considered the “most environmental”? I say aluminum because it can be recycled others on my team say brass.

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Please send me the comparision of Mils Steel Specification as per BS EN 10130 & IS 2062

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Are the grain boundaries a continuation of regular lattice structure from one grain to another? Explain.

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Explain proeutectoid ferrite

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What is the use of piezometer

0 Answers   NIC,


Why is it so hard to find literature on the wear resistance of titanium?

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What is the difference between DI pipes, Cast Iron pipes, LA Pipes, SW pipes, SWR Pipes, RCC hume pipe, RCC spun pipe ? What are their IS codes and applications ?

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Explain cementite?

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What kind of components are fabricated from the superalloys, and what are their roles?

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What is iron ferrite and where is it found?

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