pearlite

/pur-lahyt/US // ˈpɜr laɪt //UK // (ˈpɜːlaɪt) //

珍珠岩,珍珠石,珍珠体,珍珠砂

Definitions

n.名词 noun

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

Several other ingredients of importance, as pearlite, illustrated on the opposite page, have also been studied.
The magnification is too small to show the zebra striping of the pearlite.
Below the temperature of the point F the martensite becomes heterogeneous, and forms pearlite.
The iron thus liberated, as the ferrite of this pearlite, changes simultaneously to α-ferrite.