Results for: Martensite

How is martensite structure formed in steel?

  Martensite transformation begins when austenite is cooled below a certain critical temperature, called the matrensite start temperature. As we go below the tmartensite s (MORE)
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Can martensitic steel be welded?

Yes it can but special procedures need to be followed. Namely preheating the piece, and post heating for a few hours. If this is not possible then you can use an austenitic ro (MORE)

Why martensite is harder then pearlite?

Because Martensite transformation is almost instantaneous,  the Martensite has the identical composition of the parent phase.  Formation of Martensite involves a transformat (MORE)

Why martensite has BCT structure?

when austenite change into martensite, change in the temprature  occurs(cooling). Due to this thermal stress devlop between the core  and surface . Surface try to expand and (MORE)
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What are some uses for martensite?

Martensite is commonly used in machine parts and forging dies. In a crystalline structure, martensite can also be used in the formation of stainless steel.
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What is the etchant used to determine prior austenite grain size in quenched martensite phase?

Following up Martensite in the online encyclopedia, I see that the Widmanstatten pattern in meteorites is revealed by etching with nitric acid. It also informs, that this patt (MORE)