Improved quenching and tempering processes were established.
根据其失效形式确定新的淬火、回火工艺。
An Analysis on Fatigue Fracture of Oil-Suck-Rod of Non- Quenching and Tempering Steel;
采用扫描电镜等手段分析了断裂活塞，结果表明活塞断裂的性质属于疲劳断裂。
To include the quenching and tempering intermediate softening annealing and finishing after.
要包括中间的软化退火和精加后的淬火及回火。
General carburizing and quenching after use, can also be used after quenching and tempering.
一般渗碳及淬火后使用，也可以调质后使用。
Two important points are to be noted in connection with the quenching and tempering of steel.
关于钢的淬火和回火有两个要点需要注意。
The production line used by the heat treatment process are: quenching and tempering of the two.
该生产线所使用的热处理工艺有：淬火和回火两种工艺。
Heat treatment shall consist of normalizing normalizing and tempering or quenching and tempering.
热处理包括正火、正火和回火或者淬火和回火。
Such as quenching and tempering treatment manufacturers want to make regular, and there is a written report.
如调质处理要到正规厂家做，并有书面报告。
After quenching and tempering treatment, the mechanical properties of materials can fully meet the standards.
调质处理后，材料的力学性能完全满足标准要求。
Immediate quenching and tempering process of steel T10 after low temperature salt bath chromizing was studied.
研究了T10钢在低温盐浴渗铬后直接淬火并回火工艺。
The results show that X80 pipeline steel obtains sorbite after quenching and tempering, gets pearlite by normalizing.
结果表明：x80钢经调质处理后得到索氏体，正火得到珠光体。
Advanced high strength after quenching and tempering has good mechanical properties and low temperature impact toughness.
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。
The principle for the oil-quenching and tempering technology of two high chromium martensitic stainless steels is introduced.
介绍两种高铬马氏体不锈钢的油淬火回火工艺原理；
Afterwards, has carried on the quenching and tempering heat treatment to the car axle in Chongqing Big River Mechanical Factory.
随后，在重庆大江机械制造厂对车轴进行了调质热处理。
The quenching and tempering for large steel plate is a intractable problem as the large quenching distortion and difficult to control.
大型钢板调质是热处理行业中多年来难以控制变形、淬火变形大、十分棘手的难题之一。
The hair lines of 45 steel driving axle when quenching and tempering was analysed by heat etching, chemical analysis and metallographic.
本文采用热酸浸蚀试验，化学成份分析和金相分析等手段，对45钢轴所出现的发纹进行分析。
Its CCT curve was determined by test. The influence of quenching and tempering temperature on the mechanical properties was also studied.
试验测定了该钢的CCT曲线，探讨了淬火和回火加热温度对该钢力学性能的影响。
The results show that the main causes of fracture is composition segregation and low strength resut from no quenching and tempering treatment.
结果表明，产生断裂的主要原因是材料内部成分偏析及未按要求对材料进行调质处理导致材料的强度较低。
The test results show that the surface of H13 steel can obtain the optimum performance at temperature of complete annealing, quenching and tempering.
试验结果表明H13钢在最佳完全退火温度、淬火温度、回火温度下可得到最优综合性能。
After quenching and tempering, material H13 steel core bar was broken during alignment There are naphthalene fractures on macroscopical fractures surface.
H 13钢芯棒毛坯在调质热处理后的校正工序中发生断裂，宏观断裂面出现萘状断口。
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 practice has proved the steel pipe produced by on- line water quenching and tempering a rational technology with low cost and strong marketing competition.
实践证明，利用轧后余热对钢管进行在线水淬，工艺合理，加工成本低，产品具有较强的市场竞争力。
The cyclic strain low cycle fatigue and cyclic stress ratcheting failure of 45 carbon steel treated by quenching and tempering were experimentally investigated.
对调质处理的45碳索结构钢进行了应变循环低周疲劳实验以及应力控制棘轮失效实验。
Quenching and tempering heat treatment process for raw materials, temperature control, controlled atmosphere furnace, quenching medium, such as strict requirements.
调质热处理工艺对原材料、炉温控制、炉内气氛控制、淬火介质等都有严格的要求。
Die head material and processing:Use high-quality steel, after quenching and tempering, grinding the inside surface of the polished mirror surface plating treatment;
模头材质及加工：选用优质钢材，经调质处理，研磨内侧表面，抛光镜面电镀处理；电镀。
The catenary suspension furnace for quenching and tempering of the crankshafts has been successfully developed, and thus main heat treatment equipment has been renewed.
研制了用于曲轴调质的悬链炉，从而更新了主要的热处理设备。
The influences of quenching and tempering temperature on microstructure and mechanical properties of medium-carbon-low-alloy wear-resistant cast steel were investigated.
研究了淬火和回火温度对中碳低合金耐磨铸钢组织和力学性能的影响。
The Influence of the quenching and tempering treatment and the different subcritical treatment on microstrcture and property of a high alloy white cast iron was studied.
研究表明，通过亚临界热处理可以使含有大量残留奥氏体的高铬铸铁产生二次硬化，从而提高高铬铸铁的硬度和耐磨性。
In additions the paper qualitatively analyses the influence of residual stresses occurring after quenching and tempering and the process of heat treatment on the formation of the cracks.
此外，还定性分析了淬火、回火后残余应力的性质及热处理工艺过程对裂纹形成的影响。
In additions the paper qualitatively analyses the influence of residual stresses occurring after quenching and tempering and the process of heat treatment on the formation of the cracks.
此外，还定性分析了淬火、回火后残余应力的性质及热处理工艺过程对裂纹形成的影响。
应用推荐