pearlite वाक्य
उदाहरण वाक्य
मोबाइल
- The pearlite, on the other hand, does not respond to tempering, and does not change in hardness.
- The steel can then be tempered by reheating to a temperature in between, changing the proportions of pearlite and martensite.
- This microstructure is referred to as " sphereoidite . " If cooled a little faster, then coarse pearlite will form.
- The temperature range for transformation of austenite to bainite ( 250 550 �C ) is between those for pearlite and martensite.
- "' Expanded Pearlite "' Used to reduce the weight as water is added with its addition.
- It should be noted that some pearlite or ferrite may be present if the quench did not rapidly cool off all the steel.
- The " tamahagane ", in particular, contains pearlite, which produces a characteristic pearlescent-sheen on the crystals.
- The two, ferrite and cementite, precipitate simultaneously producing a layered structure called pearlite, named for its resemblance to mother of pearl.
- A euctoid steel ( 0.77 % carbon ) will have a pearlite structure throughout the grains with no cementite at the boundaries.
- A semi-tempered middle ring of martensite and bainite, and 3 . a mild circular core of bainite, ferrite and pearlite.
- During slow cooling of an iron-carbon alloy, pearlite forms by a eutectoid reaction as austenite cools below ( the eutectoid temperature ).
- Generally speaking, cooling swiftly will leave iron carbide finely dispersed and produce a fine grained pearlite and cooling slowly will give a coarser pearlite.
- Generally speaking, cooling swiftly will leave iron carbide finely dispersed and produce a fine grained pearlite and cooling slowly will give a coarser pearlite.
- As a result of the transformation, the microconstituents, Pearlite and Bainite, form; Pearlite forms at higher temperatures and bainite at lower.
- As a result of the transformation, the microconstituents, Pearlite and Bainite, form; Pearlite forms at higher temperatures and bainite at lower.
- From my own experience, I know this doesn't increase the toughness of the blade anymore than the soft pearlite jacket already does.
- However, the transformation from austenite to pearlite is a time-dependent reconstructive reaction which requires the large scale movement of the iron and carbon atoms.
- Both of these mechanisms strengthen the surface of the metal, the former by forming pearlite or martensite, and the latter via the formation of carbides.
- From these observations he drew conclusions regarding the structure of pearlite and ferrite, and he was also able to watch the recrystallization of steel during cold working.
- Nickel is one of the most common alloying elements because it refines the pearlite and graphite structure, improves toughness, and evens out hardness differences between section thicknesses.
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