One of the mysteries of the English language finally explained.
A finely laminated mixture of ferrite and cementite present in cast iron and steel, formed by the cooling of austenite.
- ‘The structure now consists of free cementite and pearlite.’
- ‘Ductility and impact properties are principally determined by the proportions of ferrite and pearlite in the matrix.’
- ‘The pearlite is responsible for substantial strengthening.’
- ‘This reduces the amount of pearlite and improves toughness, ductility, and weldability.’
- ‘It is important to note that higher silicon contents can promote pearlite and may increase the nickel requirement.’
Late 19th century: from pearl + -ite.
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