Showing results for "pearlite"

• a variation of perlite.

pearlite

American  

[pur-lahyt] / ˈpɜr laɪt /

noun

1. Metallurgy. a microscopic lamellar structure found in iron or steel, composed of alternating layers of ferrite and cementite.

2. Petrography. perlite.

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pearlite British  

/ ˈpɜːlaɪt, pɜːˈlɪtɪk /

noun

1. the lamellar structure in carbon steels and some cast irons that consists of alternate plates of pure iron and iron carbide

2. a variant spelling of perlite

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Other Word Forms

• pearlitic
  adjective

Etymology

Origin of pearlite

First recorded in 1885–90; pearl + -ite ¹

Example Sentences

See Examples For:

pearlite

If the brand of available potting soil doesn’t contain pearlite, she lightens it with some so that pearlite is as much as one-quarter of the blend.

From Seattle Times ● Aug. 9, 2023

Sorbite is softer and tougher than troostite, and is habitually associated with pearlite.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

Just at this moment the lamination of pearlite, which now occupied its original area, was taking place.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

The cementite, although adding to the tensile strength, is very brittle and the strength of the pearlite is the combination of the ferrite and cementite.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

Its components are tending to coagulate into pearlite, and will do so in a fairly short time at temperatures near the lower critical, which heat will furnish the necessary molecular freedom.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)