Gas nitriding or vacuum nitriding?
真空渗氮法？
The gas nitriding technology of H13 steel was studied by an orthogonal test.
运用正交试验法，研究H13钢气体渗氮工艺。
In 1961, the Beijing second machine tool plant began using gas nitriding quenching.
1961年，北京第二机床厂开始采用气体氮化淬火。
The gas nitriding process control systems are designed to provide a fully automatic operation.
气体氮化过程控制系统的设计，提供了全自动的操作。
It is failed to combine together the two process of water vapor oxidation and gas nitriding in the same furnace.
试图将蒸汽氧化和气体氮化结合在单一的热处理炉中的尝试并没有成功。
These are important reasons that the case brittleness of plasma nitriding is lower than the case brittleness of gas nitriding.
这是离子渗氮的渗层脆性低于普通气体渗氮的重要原因。
Case thickness of 0.001 to 0.012in. (0.03~0.30mm) is obtained, whereas for gas nitriding the case may be as thick as 0.025 in. (0.64mm).
液体渗氮可以获得厚度为0.001到0.012英寸（0.03~0.30mm）的硬化层，然而气体渗氮则能获得厚0.025英寸（0.64mm）的硬化层。
The paper makes a primary approach to a two big problems on the long period and the heavy brittleness resulting from gas nitriding process.
针对气体渗氮工艺存在的周期长和脆性大两个问题进行了初步的探讨。
Plasma nitriding has the advantage that it is easy to stop the process, in contrast to gas nitriding and especially to salt bath nitriding.
血浆氮化物有利益中止程序很容易，与氮化物的瓦斯相反和特别加盐于沭浴氮化物。
Chief factor of influence nitriding is temperature, the grain size of material, the component of alloy, gas pressure and purity.
影响增氮的主要因素有：温度、物料的粒度、合金成分、气体压力和纯度。
Since 1974 the research work on gas soft nitriding of nodular cast iron crankshafts used in agricultural diesel engine has started.
用气体软氮化强化农用柴油机球铁曲轴的研究始于1974年。
In this article, double layer glow discharge is discussed in terms of the theory of gas discharge and experiments on ion nitriding equipment and technology.
本文在离子氮化装置及离子氮化工艺试验研究的基础上，根据气体放电理论，提出并讨论了双层辉光放电现象。
The result shows that the argon gas can effectively decrease the hardness gradient and improve the thermal fatigue behavior of ion nitriding steel H13.
结果表明：氩气能有效降低渗层的硬度梯度，提高离子渗氮h 13钢的热疲劳性能。
The company's nitriding process is divided into:gas soft-nitriding, MGN and gas rigidity-nitriding.
公司的渗氮工艺分为：气体软氮化、MGN和气体硬氮化。
The company's nitriding process is divided into:gas soft-nitriding, MGN and gas rigidity-nitriding.
公司的渗氮工艺分为：气体软氮化、MGN和气体硬氮化。
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