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 Categories >> Engineering >> Metallurgy
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Question Asked @ Answers Views     Select
Please send me the comparision of Mils Steel Specification as per BS EN 10130 & IS 2062    1  975
what happens when a EM wave is transmitted    1  1382
what is the cause of attenuation due to powerloss    1  1016
What are the superalloys used for?    2  1227
What are the superalloys?    3  2761
Why is non-destructive testing necessary?    9  2670
What kinds of NDT methods are available?    9  4249
What kind of components are fabricated from the superalloys, and what are their roles?    2  825
Why are the superalloys used for land-based turbines?    1  772
What kind of shell systems are used for investment casting?    2  887
What is investment casting?    3  1118
Is it possible to design heat treatment processes such that a gradient in grain size is produced?    4  861
How can Residual stresses in superalloy components can be minimised?    1  994
The processes used to fabricate the superalloys seem fairly mature. Is much process development going on?    2  677
What is Vacuum Induction Melting ?    3  1060
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Un-Answered Questions
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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 693
How to melt the solidified copper accretions in copper scrap melting furnace? 212
What are the componentsof SCS14 ? 826
sir please send me previous question papers on metallurgy at .....thank you 298
What is chemical composition and mechanical properties of IS 2004,Gr-3 and IS 305 AB-2? 1616
what are the causes of scaling in cast iron, after subjecting it to annealing process. 462
i want to go to US for Bachlore of computer science, I didn't appeared for SAT. my ielts scores are too low only 5.5 band and I am confused if VISA OFFICERS will ask why u hadn't given SAT. what i have to answer pl suggest? 432
does any one has gate solutions of 2007,08,09 metallurgical engg papers? 699
Witch type curome oxide in ms matle? 69
Why do some of the latest 'single crystal' superalloys contain concentrations of the grain boundary strengthening elements, e.g. carbon and boron? 326
1)We are using OHNS material for manufacturing Thread & plain Gauges.What is the excat composition of OHNS for Gauges? 2)Which is the reference standard book for OHNS Material composition for Gauges? 1366
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. 512
Why are the superalloys sometimes subjected to secondary melting processes? 404
any input on how to spec out(if possible) a larger grain structure(3/8" or larger) on a Al 6061 forging material. 384
i need manual solution of diffusion in solid(shewmon) if you have plz send for me. tank you my email : 1053
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