循环次数的增加是不会降低渗碳速度的。
The increase of number of cycle not debased velocity of carburization.
球化是使渗碳体产生成类似球状分布结构的工艺。
Spheroidizing is the process of producing a structure in which the cementite is in a spheroidal distribution.
金刚石的生长通过对初生渗碳体的消耗得以进行。
So the diamond growth up depends on the consumption of original cementite.
通过一系列试验，摸索出利用稀土低温渗碳技术。
The low-temperature RE carburizing technology is explored by a series of tests.
回火作业可以描述为渗碳体析出和凝聚或聚结的过程。
The tempering operation may be described as one of precipitation and agglomeration or coalescence of cementite.
介绍了快速压力渗碳工艺，并对其机理进行了分析。
Rapid carburizing process by increasing furnace pressure is introduced and its mechanism is analysed.
渗碳工艺过程的执行，直接关系到热处理产品的质量。
The processing of carburization affects the quality of products in heat treatment directly.
钢铁工业中用于切削工具的淬火处理，作钢材的渗碳剂。
For the iron and steel industry in the quenching of cutting tools for the steel of carburization.
在考虑渗碳损伤的前提下对炉管的剩余寿命进行了评估。
The residual life of the tubes is estimated based on the carburizing damage analysis.
热处理：真空，渗碳，渗氮，真空热处理，超低温处理等。
Hot treatment: vacuum, carburizing, nitriding, vacuum heat treatment and cryogenic treatment etc.
周期：产品在炉中某特定温度下渗碳或硬化所需要的时间。
CYCLE time: Amount of time product spends in a furnace at specified temperature for the purpose of carburizing or hardening product.
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.
结果表明，稀土能降低渗碳的激活能，有利于提高其渗碳速度。
The results show that re can decrease activation energy for carburizing and expedite carburization.
主要介绍井式渗碳炉渗碳过程中单片机控制系统的构成和设计要点。
This paper mainly introduces the construction and designing essentials of microcontroller control system in cementite process of pit cementite furnace.
而工件的渗碳处理是使碳原子渗入钢制工件表层的化学热处理工艺。
Carburization is the heat treatment process which carbon atoms permeate into the steel work form its surface.
试验结果表明，增加渗碳炉内压力可加快渗碳速度，缩短渗碳周期。
The results show that pressure carburizing process can enhance the speed of carburizing and shorten the carburizing time.
毛坯件控制号码：是产品进行毛坯加工和渗碳处理时所用到的号码系统。
Green CONTROL NUMBER: Numerical system, which is used in the scheduling of product to be green machined and carburized.
本文介绍了控制气氛箱式气体渗碳热处理生产线的组成及其应用情况。
The article describes the composition and application of a box type gas carburizing heat treatment line with controllable atmosphere.
在回火过程中，贝氏体中的奥氏体以扩散转变方式分解为铁素体和渗碳体。
During the tempering process, the austenite in bainite decomposed into ferrite and cementite by diffusion transformation.
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.
用此方程计算出的梯度层厚度随渗碳时间变化的关系与实际测量值比较接近。
The relationship between growth of graded layer and carburizing time calculated by the equation is close to experimental results.
研究表明：在这种新型镍铸铁中除了石墨和奥氏体基体外，还有合金渗碳体存在；
Investigation showed that, in this new nickel cast iron, besides graphite and austenitic base, had yet alloying cementite.
对实验室固体渗碳（P管）和裂解炉运行渗碳（S管）的乙烯裂解管进行了研究。
The ethylene cracking tubes pack-carburized in a laboratory(P tube) and carburized during servicing in a cracking furnace (S tube) are studied.
固体渗碳的方法是将要处理的零件与木炭或焦炭这些含碳的材料一起放入密闭容器。
Pack carburizing consists of placing the parts to be treated in a closed container with some carbonaceous material such as charcoal or coke.
高于此点，由于超过共析点钢完全由珠光体和退火状态的渗碳体组成，硬度增加并不多。
Above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.
高于此点，由于超过共析点钢完全由珠光体和退火状态的渗碳体组成，硬度增加并不多。
Above this point the hardness can be increased only slightly, because steels above the eutectoid point are made up entirely of pearlite and cementite in the annealed state.
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