Compound modification; Direct quenching; Composites; Solidification microstructure; Mechanical properties.
复合变质；直接淬火；复合材料；微观组织；力学性能。
Direct quenching, n-in thermomechanical processing, quenching immediately following the final hot deformation.
直接淬火，名词，在形变热处理过程中，最终热变形之后立即进行淬火。
The heat treatment technology of carbo - nitriding of steel has the characteristic of lower treatment temperature and direct quenching.
钢的碳氮共渗热处理工艺具有共渗温度低、可直接淬火等特点。
In the study on HSLA80 steel the direct quenching and tempering (DQT) process was compared with conventional reheating quenching and tempering (RQT) process.
对一种HSLA80钢板分别进行了调质处理和直接淬火加回火工艺的比较性试验研究。
The results show that the quenching microstructure of direct quenching technology consists of lath and twin martensites, and the amount of the latter is more.
结果表明：直接淬火工艺的淬火组织为板条马氏体和孪晶马氏体共存，且孪晶马氏体的含量较多。
In light of the problems occurred in manufacturing the high-pressure pipeline unions, the authors propose to treat the union by direct quenching through the use of the residual heat of forging.
针对石油钻采高压管线连接活接头生产中的问题，提出利用锻造余热直接淬火的形变热处理工艺。
In light of the problems occurred in manufacturing the high-pressure pipeline unions, the authors propose to treat the union by direct quenching through the use of the residual heat of forging.
针对石油钻采高压管线连接活接头生产中的问题，提出利用锻造余热直接淬火的形变热处理工艺。
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