nitriding

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.

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。

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Nanometer titanium nitride ( TiN) powder with high purity of 98% ( in mass) was prepared by evaporating and nitriding metal Ti in DC arc nitrogen plasma.

采用直流电弧等离子体蒸发冷凝法制备出了粒径可控的高纯氮化钛（TiN）纳米粉末。

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The results show that nitriding rate and nitridation reaction rate constant are improved with the increase of nitridation temperature and time.

实验结果表明：随氮化温度升高、时间延长，各试样的氮化率及氮化反应速率常数提高。

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So the testing nitriding quality becomes very important.

因而,检验镗轴的氮化质量十分重要.

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Gas soft-nitriding technological parameter has been determined through the test.

通过试验确定了WD618曲轴气体软氮化工艺参数。

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Study on Short time Nitriding Process

短时渗氮工艺的研究

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There are a lot of methods for measuring nitriding depth, including structural corrosion method.

现有的测量氮化层深度的方法很多, 国内大多数采用组织腐蚀法.

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Nitriding reaction process optimal control mathematical model research

渗氮反应过程控制数学模型的研究

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The X-ray diffraction analysis of pure iron aged after ion-nitriding

纯铁离子氮化后时效的x射线衍射分析

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In this paper, technology of nitriding steel is presented.

简要介绍了离子渗氮技术的最新进展.

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The Study on Gaseous Soft Nitriding in Common Box& type Furnace

在普通箱式炉中进行气体软氮化的研究

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By experiment, we knew the nitriding deformation rule of joint bearing and improved the technology method.

通过实验, 掌握关节轴承氮化变形规律,改进了工艺方法,在提高零件精度和质量的同时,降低了生产成本.

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In this paper, the structure, phase constituents and distribution of nitrogen in carbon and low alloy steels after compound treatment of soft nitriding and through hardening have been discussed.

本文研究了碳钢和低合金钢气体软氮化后进行整体淬火复合处理工艺时组织，相组成和氨浓度分布的规律。

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High speed steel samples were ion nitrided in a tube reactor with an auxiliary heating furnace. The change of nitriding layer thickness, surface hardness and impact strength of the sample with H 2/ N 2 ratio, temperature and time were studied.

用外加热方式在管状反应室中对高速钢试样进行离子氮化，对氮化层的厚度变化、表面硬度及冲击韧性随H2／N2、渗氮温度及时间的变化进行研究。

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Research on the dielectric barrier discharge nitrogen nitriding at atmospheric pressure have consumedly progressed.

利用介质阻挡放电进行常压氮气渗氮研究取得突破性进展。

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The results show that the resistances thermal fatigue crack initiation and propagation in steel are reduced due to the Carburizing and nitriding, and nitrogen has the prominent effect.

结果表明，表面增碳及渗氮均使钢的热疲劳裂纹萌生及扩展抗力降低，渗氮尤为显著。

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Laser pulses melt the metal surfaces and activate nitrogen, inducing nitriding reaction in liquid phase.

激光的作用使得金属表面熔化和氮气激活，导致液相氮化反应；

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Gas Nitriding Treatment of Piston Ring Made of Martensitic Stainless Steel

马氏体不锈钢活塞环的气体氮化

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Nitriding and vacuum heat treatment teat for spinning mandrel

旋压芯棒的氮化和真空热处理试验

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After nitriding, the abradability of the boring axis is increased greatly.

氮化可明显提高镗轴的耐磨性.

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Nitriding cannot be performed during encapsulated or post-HIP pressing due to closing of the pore structure.

氮化无法执行期间,包裹或后髋关节迫切,由于关闭的孔隙结构.

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Spalling was a major form of contact fatigue failures in nitriding steel.

氮化钢的主要接触疲劳破坏形式是剥落.

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The reaction kinetics of preparing VN from reducing and nitriding V_2O_5 by solid carbon was discussed.

研究以碳作为还原剂，还原氮化五氧化二钒制备氮化钒过程中的还原氮化反应动力学。

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However, nitriding is a relatively expensive process and is used only if other processes do not produce satisfactory results.

然而，渗氮是一种相对较昂贵的热处理方法，并且通常只在其它热处理方法无法餍足要求时才会使用。

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In order to release the stresses originated from the lattice mismatch and reduce the defect densities, sapphire substrate surfaces are preprocessed by H-plasma cleaning, N-plasma nitriding and the low temperature buffer growth.

为了释放因晶格失配产生的应力，以降低在GaN外延膜中引起的缺陷密度，我们对蓝宝石衬底采用了氢等离子体清洗、氮等离子体氮化以及低温生长缓冲层的方法。

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And its result is that through developing the hardness of soft-nitriding products can be remarkably increased.

结果表明通过改进可以显著提高产品软氮化硬度.

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The surface coating of titanium coating coating, coating, nitriding, chromium nitride coating.

本色, 镀钛涂层, 氮化涂层, 氮化铬涂层.

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To increase production capacity of nitriding ferroalloys, reducing production cost, PSA nitrogen plant is selected.

提高氮化合金的生产能力, 降低生产成本, 采用了PSA制氮系统.

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Chemical kinetics of preparing VN from reducing and nitriding v_2o_5

V2O5还原氮化制备VN过程中的化学反应动力学

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Structure characteristics of steels compound-treated with soft nitriding and through hardening

软氮化整体淬火复合处理钢的组织特征

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