运用正交试验法，研究H13钢气体渗氮工艺。
The gas nitriding technology of H13 steel was studied by an orthogonal test.
这是离子渗氮的渗层脆性低于普通气体渗氮的重要原因。
These are important reasons that the case brittleness of plasma nitriding is lower than the case brittleness of gas nitriding.
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。
The paper makes a primary approach to a two big problems on the long period and the heavy brittleness resulting from gas nitriding process.
依据化学动力学原理和内扩散理论，研制成功了无脆性快速气体渗氮新工艺。
According to chemical dynamics principle and internal diffusion theory, a no-brittle fast nitriding method has been developed.
依据化学动力学原理和内扩散理论，研制成功了无脆性快速气体渗氮新工艺。
And according to chemical dynamics principle and internal diffusion theory, the non brittle rapid nitriding is developed.
研究了减温阀门气体渗氮工艺，分析了渗氮温度、渗氮时间对其力学性能的影响。
The technology of gas-nitration of the reducing-temperature valve was studied. The effects of nitration temperature and time on the mechanical properties were analysed.
采用预氧化两段式气体渗氮工艺，充分利用预氧化的催渗作用，达到缩短渗氮工艺周期的目的。
The paper introduces the preoxidation two periods nitriding technology. The technology makes use of the catalysis of preoxidation enough to shorten nitriding technology time.
介绍了微机可控渗氮的基本原理，进行了气体渗氮的传统工艺与微机气体渗氮工艺的对比试验。
The basic principle of microcomputer controlled nitriding and its contrast tests with traditional process are introduced briefly.
采用X射线衍射、扫描电镜及显微硬度等技术，综合比较和分析了H13模具钢在不同热处理状态下经相同气体渗氮处理后表层的组织结构和硬度。
The microstructure and hardness of the layer of H13 tool steel gas-nitrided in different heat treatment conditions were studied by X-ray, SEM and micro-hardness test.
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。
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).
利用宏观分析、显微检验、硬度测试和装车试验等手段，对引进奥地利重型汽车内齿圈按照新的气体氮碳共渗工艺处理后的质量进行了研究。
The quality analysis for gas nitrocarburized inner gear ring of heavy truck imported from Austria was taken by means of macro/micro-examination, hardness measuring and running test.
改变炉压可迅速排除炉膛内氧、水蒸气等有害气体，可加速渗碳、渗氮过程。
By altering the furnace pressure rapidly, baneful gases, such as oxygen and vapour, could be eliminated from the chamber. Therefore, cementite and nitriding processes are accelerated.
本文研究了稀土元素在气体碳氮共渗中的作用，并系统地提出了稀土催化机理。
This paper studies the effects of rare earth elements (re) in the gas carbonitriding and puts forward a systematic proposition of the rare earth elements catalyzing mechanism.
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。
The company's nitriding process is divided into:gas soft-nitriding, MGN and gas rigidity-nitriding.
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