结果表明，晶粒尺寸越小，渗碳钢的疲劳极限越高。
Results show that the smaller the grain size is, the higher the fatigue limit is.
减速器的轮为高强度渗碳钢，经渗碳淬火处理，传动噪音低。
The gear reducer for high strength steel carburizing carburizing hardening low noise transmission.
研究了两种合金渗碳钢锻件普通正火和等温正火的显微组织和性能。
The microstructure and the property of two low carbon alloy steel forged parts were compared for parts after isothermal normalizing with those after ordinary normalizing.
研究了合金渗碳钢锻件的普通正火与等温正火工艺参数对组织、性能的影响。
The microstructure and property of alloy carburizing steel forged parts after general normalizing and isothermal normalizing were studied.
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.
本文对淬火加回火渗碳钢的拉伸一拉伸疲劳断口进行了内裂纹的分析和研究。
Internal fatigue cracks occurred in the fracture of a quenched and tempered carburized steel specimen under tension-tension fatigue loads are discussed in this paper.
综述了国内外汽车齿轮用渗碳钢的现状和发展趋势以及与新钢种相配合的新的热处理工艺。
This paper reviews the present status and developing trend of carburizing steels used for automotive gears in domestic and abroad and the new heat treatment process related to the new type of steels.
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.
研究了低碳钢中加入RE后对渗碳层的影响。
The effect of adding RE in low carbon steel on carburized layer is studied.
研究了低碳钢在铸铁液中进行高温短时渗碳的动力学，并分析了渗层组织和渗碳的机制。
The kinetics of high-temperature and short-term Carburizing in liquid cast iron was studied.
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.
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.
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