granular pearlite

9.8

A structure in steel where hard pieces form small round groups instead of layers from very slow cooling

noun

Specialized

: perlita granular

The slow cooling process caused granular pearlite to form within the steel's structure.

Examples

Microscopic examination revealed areas of granular pearlite interspersed with other phases.
Engineers noted that granular pearlite affects the hardness and toughness of iron alloys.
The steel contains a significant amount of granular pearlite.
Can you identify the granular pearlite structure in this sample?
Microscopic examination revealed areas of granular pearlite interspersed with other phases.
The slow cooling process caused granular pearlite to form within the steel's structure.
Engineers noted that granular pearlite affects the hardness and toughness of iron alloys.

Synonyms

globular pearlite

vsgranular pearlite

Specialized

9.9

Small round hard parts in steel or iron that form when the metal cools very slowly

is the identical scientific term but uses a different adjective form

Surface Forms

granular pearlite singular

granular pearlites plural

Morphology

granular + pearlite

This is a straightforward adjective + noun composition: 'granular' means 'consisting of tiny grains' and modifies 'pearlite' (a steel microstructure). The sense — pearlite that has a grainy or globular morphology rather than layered form — is directly derivable from the constituents, so it is transparent (noting that 'pearlite' is technical vocabulary).

Etymology

Granular pearlite comes from how the metal looks under a microscope: pearlite was named because it looks 'pearl-like' with light and dark stripes, and granular means the hard parts turn into small round grains instead of thin layers. So granular pearlite describes a tiny, 'grainy' structure in steel that forms after very slow cooling, and this appearance helps engineers judge how hard and strong the metal will be.