Define what is the strongest metal?

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What is a silver in deming drill bit?

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What are the characteristics of the thermodynamic stage of a metal?

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

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what are the ores of copper?

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i m going to give an interview for iocl on 5th aug . pls tell me what questions can be answered from metallurgical prospect

0 Answers   IOCL,

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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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The Hardness of wheel(or)grade of wheel refers to the

0 Answers   NIC,

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What kinds of NDT methods are available?

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The moment of inertia of an area is always least with respect to ?

0 Answers   NIC,

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Define what is proeutectoid ferrite and cementite?

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Define what is the minimum temperature for stress relieving of astm a 519 gr.4130 material and please tell us where we can find the location.

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