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pearlite

珍珠体; 珍珠岩; 珠光体

WordNet (r) 3.0 (2006) (WordNet)

pearlite
n 1: a lamellar mixture of cementite and ferrite formed during
the cooling of austenite; a constituent of steel and cast
iron

The Collaborative International Dictionary of English v.0.48 (gcide)

Pearlite \Pearl"ite\, Pearlstone \Pearl"stone`\, n. (Min.)
A glassy volcanic rock of a grayish color and pearly luster,
often having a spherulitic concretionary structure due to the
curved cracks produced by contraction in cooling. See Illust.
under {Perlitic}.
[1913 Webster]

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Pearlite - Wikipedia
Pearlite is a two-phased, lamellar (or layered) structure composed of alternating layers of ferrite (87 5% by mass) and cementite (12 5% by mass) that occurs in some steels and cast irons
What is Ferrite, Cementite, Pearlite , Martensite, Austenite
Pearlite is the name given to a mixture of about 87 5 percent ferrite and 12 5 percent cementite It consists of alternate layers of ferrite and cementite in steel
What is Pearlite - Definition | Material Properties
This distinctive microstructure of steel is called pearlite A ferrite phase has a much lower carbon content, and cementite has a much higher carbon concentration
What is Ferrite, Cementite, Pearlite, Martensite, Austenite - Mechtech Guru
Pearlite is a microstructure of steel that consists of alternating layers of ferrite and cementite It is a relatively soft and ductile material, with a moderate strength and hardness Pearlite forms when steel is cooled slowly from high temperatures, typically between 727°C and 910°C
Pearlite - an overview | ScienceDirect Topics
Pearlite is defined as a layered structure that consists of alternate layers of ferrite and cementite, which results from the transformation of austenite during slow cooling or annealing
Pearlite – Metallurgy
Pearlite is a two-phased, lamellar (or layered) structure composed of alternating layers of ferrite (87 5 wt%) and cementite (12 5 wt%) that occurs in some steels and cast irons
Pearlite: Microstructure, Formation, and Impact on Steel Properties
Pearlite is a layered microstructure of ferrite and cementite that enhances steel strength and toughness, crucial in heat treatment and alloy design
What is Pearlite, and Why Isnt It a Metal? – Blogv
Pearlite is not a metal itself; rather, it is a crucial structural component found within steel, which is an iron-carbon alloy It is a distinctive microstructure that forms during the cooling of certain steels, profoundly influencing their mechanical properties
Austenite Martensite Bainite Pearlite and Ferrite structures
Pearlite is usually formed during the slow cooling of iron alloys, and can begin at a temperature of 1150°C to 723°C, depending on the composition of the alloy It is usually a lamellar (alternate plate) combination of ferrite and cementite (Fe 3 C)
What Is the Pearlite Microstructure in Steel? - Engineer Fix
Pearlite is not a single phase but rather a composite material consisting of two distinct constituents: ferrite and cementite These two phases are chemically different and possess contrasting mechanical characteristics, which together give pearlite its balanced performance

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