三个过程：它们是淬火、回火和退火。
齿轮齿形采用磨齿加工，齿面采用智能控制渗碳淬火技术，齿轮的强度高、韧性和耐磨性好。
Employing abrasive machining for the form of the gear and intellective-control carburizing and quenching technology for the surface, the gear is with high intensity, strong tenacity and wearability.
但油淬情况就不是如此，因为油淬时在淬火临界阶段零件表面的温度可能仍然很高。
This is not true in oil quenching, when the surface temperature may be high during the critical stages of quenching.
热处理过程包括：退火、淬火与回火。
The heat treatment process comprises annealing, hardening and tempering.
三种。它们是淬火、回火和退火。
三种。它们是淬火、回火和退火。
含碳量低的钢对淬火处理没有明显的反应。
Steel with low carbon content will not respond appreciably to hardening treatment.
钢的热处理操作主要有三种，即：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。
There are three main operations in the heat treatment of steel: hardening, tempering and annealing.
在DSC曲线中淬火样品有冷结晶峰，而其它样品没有。
There is a cold crystallization peak for the quenching sample in heating DSC curve, and there is not for the others.
快速淬火硬化的钢是硬而易碎的，不适合大多数场合使用。
Steel that has been hardened by rapid quenching is brittle and not suitable for most uses.
火焰淬火和感应淬火是经常在大型齿轮上使用的热处理方法。
Flame hardening and induction hardening are the methods usually used to harden larger gears.
齿轮材料选用高级低碳合金钢，使用自动化高温渗碳淬火处理。
Top low carbon alloy steel as gear material, adapting automatic carburizing and quenching heat treatment.
位错的形成与离子注入引进的损伤和淬火过程中的热应力有关。
The ion-implantation damage defects and thermal stress during quenching step are responsible for the formation of dislocations.
时效处理：指让产品通过低温通风炉以释放淬火造成的应力的工艺。
AGING: the process of running product through low temperature air draw furnaces for the purpose of relieving stress which was caused in the hardening operation.
然而，开发、生产及使用植物油基淬火油等绿色淬火介质势在必行。
However, it is imperative to develop, produce and apply vegetable oil based quenching oil and other green quenchants.
通过给定的热处理所得到的硬度取决于淬火速率、含碳量和工件尺寸。
The hardness obtained from a given treatment depends on the quenching rate, the carbon content, and the work size.
实验结果表明，淬火的温度以及淬火介质对产物的组成有很大的影响。
The results show that quenching temperatures and quenching media have great influence on the composition of products.
因此，对铝合金淬火残余应力场的产生和演变的研究日益受到人们的重视。
Therefore, growing attention has been paid to the study of the emergence and evolution of quenching residual stress in aluminum alloy.
大模数重载汽车主减速器盆形齿轮经渗碳淬火后，齿轮齿面经常会出现裂纹。
Cracks frequently generated in basin gear of big modulus main reducer used in heavy load truck after carbonizing and quenching.
淬火就是把钢件加热到或超过它的临界温度范围，然后使其快速冷却的过程。
Hardening is the process of heating a piece of steel to a temperature within or above its critical range and then cooling it rapidly.
这顽石一样的心，倔强地用泪水淬火，只为了等你，等你用你的柔情点石成金！
This stone is as stubborn heart, tears with quenching, only to wait for you, wait for you to be able to perform wonders for your tenderness!
硬块。通常由于局部淬火引起钢管上某一部位硬度值远高于周围金属的硬度值。
Hard Spot. An area in the pipe with a hardness level considerably higher than that of the surrounding metal, usually due to localized quenching.
淬火过程中表面换热系数是反映界面能量传递和介质冷却能力的重要物理参数。
Surface heat transfer coefficient is an important physical parameter which reflects energy transfer of interface and cooling capability of medium.
矿物油基淬火油在使用中会产生有害物质，且废油难以降解，不属于绿色淬火介质。
Mineral oil based quenching oil is not a green quenchant because it produces hazardous substance during service and wasted oil is difficult to be degraded.
矿物油基淬火油在使用中会产生有害物质，且废油难以降解，不属于绿色淬火介质。
Mineral oil based quenching oil is not a green quenchant because it produces hazardous substance during service and wasted oil is difficult to be degraded.
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