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1)  fire cracking
火裂
2)  annealed crack
回火裂纹
3)  quenching crack
淬火裂纹
1.
Several factors leading to quenching crack of dovetail cutters were analyzed.
分析了导致鸽尾铣刀产生淬火裂纹的因素,设计了能有效预防鸽尾铣刀淬裂的热处理工艺。
2.
On the limited conditions of raw material,machining process and heat treatment equipments,through improving the charging way of the pin,controlling austenizing temperature and cooling cycle and optimizing queching medium,the quenching cracks of the pins made of T8A steel can be effectively prevented.
在材料、机加工工艺及热处理设备等条件有限的情况下 ,通过改进销轴的装炉方式 ,控制销轴的淬火温度、冷却时间以及冷却介质 ,可有效防止T8A销轴的淬火裂纹。
3.
It also has some reference effects on the theoretical analysis of quenching crack.
用淬火裂纹的理论进行分析,提出了ZG65Mn锤头水冷淬火热处理新工艺,产生了一定的经济效益。
4)  quenching cracking
淬火开裂
1.
Failure analysis on quenching cracking of RM-2 hot-working die steel;
RM-2热作模具钢淬火开裂原因分析
2.
According to the actual quenching process of steel 40Cr axle vehicle,the main reasons for its quenching cracking are analyzed.
根据40Cr钢汽车半轴的实际淬火工艺,分析了淬火开裂的主要原因,并针对淬火开裂的主要形式,制定出了三种热处理工艺方案并实施。
5)  quenching crack
淬火开裂
1.
The results showed that the fracture, as a member of quenching crack, is mainly caused by the unhomogenous microstructure of the steel plate.
结果表明 ,模具钢属淬火开裂 ,主要原因是材料内部组织不均匀所
2.
The film can reduce the themal stress, transformation stress and quenching distortion of the steel and prevent the formation of quenching cracks.
结果表明,该淬火剂在冷却金属时,在金属表面形成一层聚合物隔离膜,此膜能降低金属淬火时产生的热应力和组织应力、减小淬火变形量、防止淬火开
6)  inter-break after quenching
淬火内裂
补充资料:火焰裂解
分子式:
分子量:
CAS号:

性质:部分氧化裂解的一种。使燃料和氧气(或空气)进入燃烧室燃烧而产生高温的火焰,通入原料(炼厂气或液态烃)和水蒸气,与火焰接触而裂解。裂解气含乙烯、乙炔、一氧化碳和氢等,经骤冷后送分离工段处理。

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