Blue Brittleness

blue brittleness

[¦blü ′brid·əl·nəs] (metallurgy) Loss of ductility noted for some steels when heated to 400-600°F (204-316°C), the blue heat range.

Blue Brittleness

in steelmaking, a lowering of plasticity in contraction and elongation with a simultaneous increase of strength; it is observed in low-carbon steels during deformation in the temperature range 200°–300°C (blue temper color) or during subsequent testing at room temperature. Blue brittleness is caused mainly by the interaction of nitrogen atoms with dislocations.

单词	blue brittleness
释义	Blue Brittleness blue brittleness [¦blü ′brid·əl·nəs] (metallurgy) Loss of ductility noted for some steels when heated to 400-600°F (204-316°C), the blue heat range. Blue Brittleness in steelmaking, a lowering of plasticity in contraction and elongation with a simultaneous increase of strength; it is observed in low-carbon steels during deformation in the temperature range 200°–300°C (blue temper color) or during subsequent testing at room temperature. Blue brittleness is caused mainly by the interaction of nitrogen atoms with dislocations.
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