通过观察球光体表面或碳化物的增加的数目在球化处理材料方面，在视力上发现可能的表面渗碳。
Possible surface carburization may be detected optically in spheroidized materials by observation of surface pearlite or an increased number of carbide spheroids.
通过对氮化和表面渗碳硬化齿轮大量的试验研究，设法揭示对齿轮进行氮化处理的可能性和局限性。
By means of extensive tests on nitrided and case hardened gears, it was attempted to discover the possibilities and the limits of nitriding for gears.
低温离子渗碳处理是一种能改善奥氏体不锈钢表面力学性能的有效方法。
After low temperature plasma carburizing, the surface hardness, wear resistance and fatigue capability of austenitic stainless steels are largely increased.
将其中试样A通过氧化-还原处理，表面具有层状结构，与另一脱碳试样B一起放入改造后的电阻炉内在通氢气的气氛中进行渗碳淬火。
Sample A whose surface has layer structure via oxidize-deoxidize treatment and sample B which is decarbonization are put into resistance furnace for carbonization and quencher under hydrogen.
采用双层辉光离子无氢渗碳方法进行钛合金表面处理。
The surface treatment for titanium alloys is conducted by the new carburizing method of double layer glow plasma carburizing without hydrogen.
经渗碳及淬火后，具有表面硬度高、心部韧性好的特点、冷变形塑性中等，切削加工性好。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
表面碳势为1.1%C的渗碳硬化层内，临近外表面部位的枣核马氏体中会出现显微裂纹。
When carburized under high carbon potential (1. 1% C), microcracks tend to appear on the martensitic matrix near the outer surface of the layer.
试验研究了钛铝基合金离子渗碳后的渗层组织结构、渗碳温度和时间对渗层厚度、表面硬度的影响。
The surface hardness, carburized structure and thickness of the carburized layer on the TiAl-alloy obtained through the different carburization technologies was studied.
凡是要求表面具有较高的硬度和耐磨性，而中心具有良好韧性的所有钢制品都要进行渗碳。
All requirements of high surface hardness and resistance, good toughness and center of all steel products to carburizing.
针对合金篦条材料表面进行等离子渗碳技术的试验研究和渗层的耐磨性能实验分析。
Experimental study of plasma carburization technology and analysis of wear test of carburizing layers are done aimed at alloy bar grate material surface.
工件渗碳后直接淬火，涂料壳膜可从工件表面上自行脱落，不影响淬火效果。
The paint film can peel off automatically from the surface in quenching procedure after carburizing, and it does not affect the quenching effects.
研究了渗碳热处理过程中淬火冷却和回火状况以及磨削加工对渗碳淬火汽车齿轮表面残余应力的影响。
The influences of carburizing heat treatment process and grinding process on surface residual stress of automobile gears are studied.
非平衡气氛的碳势定义为：当渗碳反应在钢表面净产生的碳为零时碳钢表面的含碳量。
The non equilibrium carbon potential is defined as the carbon content of steel when the net carbon production rate at surface of steel vanishes.
淬火：是使渗碳的表面变硬，芯部变得有柔韧性的表面硬化工艺。
Hardening: Case hardening process whereby the carburized outer surface is made hard and strong while the center (core) is made tough and flexible.
根据所采用渗碳钢的化学成分及渗件表面合联量，对炉气联势进行定量控制。
According to carburizing steel's chemical composition and ore's case carbon requirements, the carbon potential of furnace inside atmosphere is controlled quantitatively.
切削加工成形后可以进行渗碳处理，用来制造表面硬、中心韧性高的仪器仪表零件及轴类耐磨件。
Cutting processing after forming can be carburizing processing, used to make the surface hard, center of high toughness instrumentation parts and axis wear parts.
介绍了新型低碳钢铸件表面防渗碳涂料的组成结构、生产工艺、性能特点和应用实例。
The compose, producing technology, properties and application example of new carbon-impervious coatings for low-carbon steel castings are introduced in this paper.
表面最高温度接近熔化温度时，仍含有一定数量的未溶渗碳体。
But at the peak temperature near the temperatures of melting, a significant amount of undissolved carbides still exist in the surface.
②渗碳、碳氮共渗、表面热处理实现微机控制，老设备换新貌，节能降耗效果好，显著提高热处理工艺技术水平；
The technical promotion of used equipment is realized through microcomputer controlling for carburizing and carbonitriding with less energy consumption;
②渗碳、碳氮共渗、表面热处理实现微机控制，老设备换新貌，节能降耗效果好，显著提高热处理工艺技术水平；
The technical promotion of used equipment is realized through microcomputer controlling for carburizing and carbonitriding with less energy consumption;
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