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A plain carbon steel contains 45 wt% of proeutectoid ferrite. Define what is its average carbon content in weight percent? I know that you need to use a tie line in the phase diagram, but my book does not really give a good example to go by
1105How do 304 stainless steel and 316 stainless steel weld to each other? I am hoping my medical device prospect will be able to weld a component made in 316 ss via metal injection molding toa 304 ss tube.
1041Define 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.
1008
What is d2?
What is tack welding ?
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.
What is the use of core prints?
Do you know what metal might be considered the "most environmental"? I say aluminum because it can be recycled others on my team say brass.
What is d2? What is it used for?
Explain some properties of manganese steel?
What is heat treatment?
Define what are the properties and application of manganese steel?
Does the extrusion process for a355 and a356 alloy effect on the amount of impact energy?
What is recrystallization?
Discuss the basic functionioning of air conditioner.
How can you find out define what kind of stainless steel was used in making a stainless object?
What is a cryogenic fluid?
What affect would increasing the charpy impact toughness on an object have on the surface of an object it strikes if all else remains the same? Would it cause moredamage to the object it strikes?
