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 Categories >> Engineering >> Metallurgy
 
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Question Asked @ Answers Views     Select
HOW TO GET LAST 10 YRS. QUESTION PAPERS ongc   0  757
Why same casting has different hardness and machineability properties? One spot it is found hard for machining and another spot soft? It is FG 260 grade for Cast Iron.    4  4728
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?    0  630
any input on how to spec out(if possible) a larger grain structure(3/8" or larger) on a Al 6061 forging material. novellus   0  630
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. novellus   0  775
what are the ores of copper?    4  2343
i m going to give an interview for iocl on 5th aug . pls tell me what questions can be answered from metallurgical prospect iocl   0  1332
What metal would be better suited for heat transfer, reliability, and cost...??? I'm currently using Aluminum for a 'hot-wedge'.    3  2129
Please send me the comparision of Mils Steel Specification as per BS EN 10130 & IS 2062    1  1594
what happens when a EM wave is transmitted    1  2430
what is the cause of attenuation due to powerloss    1  1963
What are the superalloys used for?    2  2215
What are the superalloys?    3  4729
Why is non-destructive testing necessary?    9  6889
What kinds of NDT methods are available?    9  7831
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What is chemical composition and mechanical properties of IS 2004,Gr-3 and IS 305 AB-2? 3521
what is a rate controlling step ? how is it dependent on reaction path ? explain with an example. 1028
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. 775
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? 2734
What are the componentsof SCS14 ? 1625
what is No.1 Laathing Scrap Bundle ( Mill Scrap ) 689
What are the chemical composition of cast iron grade 20 276
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) 782
how can i prevent the backfire occurrence in copper shaft furnaces? 946
What is equivalent is 2004 cl 5 344
Please send the Sundar TVS Motors placement papers to this mail id. 569
What happens to the microstructure during service exposure? 789
any input on how to spec out(if possible) a larger grain structure(3/8" or larger) on a Al 6061 forging material. 630
WHAT IS THE ACTUAL DEFINATION OF PLANET? 2070
white rust formation over zinc plated and passivated fasteners during CED coating. WHY? 2471
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