However, a temper brittleness has appeared after high temper.
空冷后高温回火产生回火脆性。
The temper brittleness of T23 steel was studied through heat treatment experiment.
通过热处理试验对t 23钢的回火脆性进行了研究。
The fracture is brittle fracture, and the reason is that material of forming dies takes place the temper brittleness.
引起脆性断裂的原因是成型模产生了回火脆性。
The result showed that the reason of fracture was the temper brittleness of material. In order to avoiding the fracture, the improving method was proposed.
结果表明，螺栓断裂原因是因材料发生回火脆性，提出了改进方法，从而杜绝了类似情况的发生。
The residual deleterious elements in steel lead to products occurring red brittleness surface crack and temper brittleness, and lead to hot strength of heat resistant steel decreasing.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness, and lead to the hot strength of heat resistant steel decreasing.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness, and lead to the hot strength of heat resistant steel decreasing.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
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