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Categories >> Engineering >> Metallurgy        Suggest New Category      Question  Asked @ Answers Views     select   What are the superalloys used for?  1  1025 What are the superalloys?  3  2451 Why is non-destructive testing necessary?  9  2003 What kinds of NDT methods are available?  9  3638 What kind of components are fabricated from the superalloys, and what are their roles?  2  682 Why are the superalloys used for land-based turbines?  1  620 What kind of shell systems are used for investment casting?  2  709 What is investment casting?  3  933 Is it possible to design heat treatment processes such that a gradient in grain size is produced?  4  690 How can Residual stresses in superalloy components can be minimised?  1  835 The processes used to fabricate the superalloys seem fairly mature. Is much process development going on?  2  565 What is Vacuum Induction Melting ?  3  873 Why do some of the latest 'single crystal' superalloys contain concentrations of the grain boundary strengthening elements, e.g. carbon and boron?  0  274 What happens to the microstructure during service exposure?  0  352 Why do the Gamma Prime and Gamma Double Prime phases play such an important role in promoting strength in the superalloys?  1  964 E-Mail New Answers        Answer Selected Questions        Post New Metallurgy Question Prev    1   2   3   4    [5]   6    Next         Civil Engineering Interview Questions     Mechanical Engineering Interview Questions     Electrical Engineering Interview Questions     Electronics Communications Interview Questions     Chemical Engineering Interview Questions     Aeronautical Engineering Interview Questions     Bio Engineering Interview Questions     Metallurgy Interview Questions     Industrial Engineering Interview Questions     Instrumentation Interview Questions     Automobile Engineering Interview Questions     Mechatronics Engineering Interview Questions     Marine Engineering Interview Questions     Power Plant Engineering Interview Questions     Engineering AllOther Interview Questions       Un-Answered Questions    Question Views Asked at   Select   how can i prevent the backfire occurrence in copper shaft furnaces? 114   does any one has gate solutions of 2007,08,09 metallurgical engg papers? 571   i m going to give an interview for iocl on 5th aug . pls tell me what questions can be answered from metallurgical prospect 428 IOCL What is the chemical composition of FCVS350 ? 29   WHAT IS THE ACTUAL DEFINATION OF PLANET? 119   How to melt the solidified copper accretions in copper scrap melting furnace? 32   what are the causes of scaling in cast iron, after subjecting it to annealing process. 333   What happens to the microstructure during service exposure? 352   dear sir i need some information about prevent eutectic carbide network(as cast) formation in 12% cr steel casting by another alloying element(my analays: c=1.2-1.4 cr=11-13 mo=0.2-0.4 ni=0.2-0.4 )or break network carbid after formation in solidification by heat tretment please help me my email adress: alloymail@gmail.com 357   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. 390 Novellus any input on how to spec out(if possible) a larger grain structure(3/8" or larger) on a Al 6061 forging material. 334 Novellus what is No.1 Laathing Scrap Bundle ( Mill Scrap ) 347   E-Mail New Answers        Answer Selected Questions

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