合金钢中温转变组织计有:粒状组织、上贝氏体和下贝氏体,有时可获准贝氏体。与马氏体回火后比较,准贝氏体、粒状组织、粒状贝氏体或它们的复合往往具有低屈服强度、一定高的抗拉强度,高的韧性、高的疲劳寿命和相当的疲劳强度。
Intermediate temperature structere(usually termed as bainite)is a gra-nular one,upperbainite(including granular bainite)or lower bainite and some-times meta-bainite(carbidefree bainite)can be obtained.Composite structureusually appears in steel due to a l
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