Following measures have been proved effective for prolonging service life of the dies : (1)Improving the annealing after forging to decrease the network carbide, chain carbide and carbide segregation; (2)Preprocessing to promote fine and even carbides; (3) Optimizing the quenching and tempering to strengthen the ferrite matrix; (4) Making surface strengthening treatment to improve wear resistnace.
汽车零件用的某些热锻模、热冲模,采用3Cr2W8V钢和H13钢制造,常存在使用寿命不高,早期失效,提出了几项改进措施,使用寿命大大提高:①改进锻造和锻后退火工艺,消除了网状和链状碳化物及局部碳化物偏析现象;②进行预处理,细化碳化物和使其均匀分布;③调整淬火和回火工艺,获得强韧化基体;④选用优异的表面强化处理,以提高耐磨性,而不损害抗热疲劳性能;⑤适当地选用新材料,发挥新型材料的优良性能。
"ausform: To subject (especially steel) to deformation, quenching, and tempering to improve its wear properties."
奥氏形变法炼钢:使(尤指钢)在经受形变后淬火和回火以增加抗磨损性。
Three . They are hardening, temper and anneal .
三种。 它们是淬火、回火和退火。
Three:they are hardening,temper and anneal.
三个过程：它们是淬火、回火和退火。
There are three main operations in the heat treatment of steel: hardening, tempering and annealing.
钢的热处理操作主要有三种，即：淬火，回火和退火。
continuous quench and temper line
淬火回火连续作业线
Effect of Nb and Quenching/Tempering Temperature on Microstructure and Properties of High Speed Steel Roll
铌含量和淬火回火温度对轧辊用高速钢组织和性能的影响
A brief introduction to quenching-partitioning-tempering (Q-P-T) process
淬火-碳分配-回火(Q-P-T)工艺浅介
Result show that, after quenching at 980℃ and tempering at 450℃, the rich chromium cast iron exhibits excellent mechanical properties and wear resistance.
结果表明，在980℃淬火，450℃回火，高铬铸铁具有优异的力学性能和耐磨性。
Effect of Quenched Grain Size and Tempered Carbide on Wearability of M42 High-speed Steel
淬火晶粒度和回火碳化物对M42高速钢切削性能的影响
Investigation of Compression Mechanic Behavior of HSS in Quenching and Annealing
高速钢淬火回火状态的压缩力学性能研究
Tempering softening of overlapping zones during multi-track laser quenching for carbon steel and alloy steel
碳钢及合金钢搭接激光淬火回火软化特征
Design of Database System of Heat Treatment about Quenching and Tempering for the Commonly Used Steels
常用钢的淬火回火热处理数据库系统设计
Impact of 60Si2MnA wire rod decarburization on oil-hardened and tempered steel wire
60Si2MnA线材脱碳对油淬火—回火钢丝脱碳的影响
Effect of Tempering Process on Hardness of 27SiMn Steel in Zero Time Holding Quenching
零保温淬火条件下回火对27SiMn钢硬度的影响
Water Quenching and Tempering Technology Research of 1000MPa Ultra-High Strength Dual-Phase Steel;
1000MPa超高强双相钢水淬及回火工艺研究
Effect of Tempering Temperature on Structure and Mechanical Properties of Steel 15CrMoV Direct-Water-Quenched after Finishing Rolling
回火温度对轧后直接水淬15CrMoV钢组织和力学性能的影响
Doppelduro method
乙炔火焰表面淬火法
Why shall harden steel be annealed ?
淬火钢为什么要退火呢?