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 Categories >> Engineering >> Metallurgy
 
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Question Asked @ Answers Views     Select
what happens when a EM wave is transmitted    1  1355
what is the cause of attenuation due to powerloss    1  999
What are the superalloys used for?    2  1200
What are the superalloys?    3  2718
Why is non-destructive testing necessary?    9  2562
What kinds of NDT methods are available?    9  4148
What kind of components are fabricated from the superalloys, and what are their roles?    2  810
Why are the superalloys used for land-based turbines?    1  758
What kind of shell systems are used for investment casting?    2  869
What is investment casting?    3  1091
Is it possible to design heat treatment processes such that a gradient in grain size is produced?    4  822
How can Residual stresses in superalloy components can be minimised?    1  976
The processes used to fabricate the superalloys seem fairly mature. Is much process development going on?    2  658
What is Vacuum Induction Melting ?    3  1040
Why do some of the latest 'single crystal' superalloys contain concentrations of the grain boundary strengthening elements, e.g. carbon and boron?    0  320
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Un-Answered Questions
 
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white rust formation over zinc plated and passivated fasteners during CED coating. WHY? 682
Witch type curome oxide in ms matle? 48
Any body know when the medicals are starting for the BSI P.O , if anybody got any call letter please let me know 289
i m going to give an interview for iocl on 5th aug . pls tell me what questions can be answered from metallurgical prospect 673
any input on how to spec out(if possible) a larger grain structure(3/8" or larger) on a Al 6061 forging material. 378
For the same part, it is possible to Specify the two different type of Hardness with same scall(EX-Quenching and tempering==>450 to 500HV30 & Hardening and Austempering 330- 380HV30) 288
What happens to the microstructure during service exposure? 422
what are the causes of scaling in cast iron, after subjecting it to annealing process. 457
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? 1331
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 444
what are different grades of mild steel available for making machine structure (housing) 757
what is a rate controlling step ? how is it dependent on reaction path ? explain with an example. 427
IS:1239 same code for MS ERW and Seamless pipes ? 295
i need manual solution of diffusion in solid(shewmon) if you have plz send for me. tank you my email : alloymail@gmail.com 1023
What is the chemical composition of FCVS350 ? 237
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