低温回火

/ dī wēn huí huǒ /

1
low temperature tempering
... high tempering temperature material 高回火温度材料 low temperature tempering 低温回火 ; 中温回火 medium temperature tempering 中温回火 ; 回火脆性 ...
2
[机] lonneal
... loniceroside忍冬苦苷 lonneal低温回火 lonnealing低温回火 ...
3
low tempering
... low temperature 低温低温 low tempering 低温回火 low tension 低压低应力 ...
4
Low Temperature Abate
低温回火(Low Temperature Abate) →高温弹簧初步检验(Initial Inspection) →夹具弹簧

短语

1
并论述工艺参数的确定和讨论了取消低温回火工序的可能性。
The definition of the technical parameters and the possibility to omit the low tempering have been discussed also.
2
结果表明：随淬火温度提高，低温回火脆性区向高温区漂移。
The results show with increasing quenching temperature the brittle temperature of the steel tempered at low temperature brittle temperature moves upwards.
3
高强度的高级淬火低温回火后具有良好的综合力学性能和低温冲击韧度。
Advanced high strength after quenching and tempering has good mechanical properties and low temperature impact toughness.

低温回火
低温回火又称“消除应力回火”。回火温度范围为150-250摄氏度，回火后的组织为回火马氏体。回火一般不单独使用，在零件淬火处理后进行回火，主要目的是消除淬火应力，得到要求的组织，回火根据回火温度的不同分为低温、中温和高温回火。分别得到回火马氏体、屈氏体和索氏体。

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