Nitrided characteristics of a new kind alloys tool steel are investigated.
对一种新型合金工具钢的渗氮特性进行了初步研究。
The lattice defects in the plasma - nitrided layer have been studied by TEM.
用透射电镜研究了稀土催渗离子渗氮层中的晶体缺陷。
Metallurgical bonding between the nitrided layer and Ti substrate was observed.
氮化层与基体材料之间为冶金结合。
The nitrided layer of pure iron consists of compound layer and diffusion layer.
纯铁渗氮层则由化合物层和扩散层组成。
The microstructure, microhardness and depth of the nitrided layers were studied.
对渗氮层的硬度、深度和组织结构等进行了分析研究。
Phase structure and content of the nitrided layer with or without powerful shot-peening is different.
喷丸试样的渗氮层与未喷丸试样相比，表面物相及含量都有不同。
The result shows that the porosity of nitrided layer is due to the over concentration of CNO- in the salt bath.
试验结果表明，渗层疏松主要是由于盐浴内CNO-浓度过高所致；
The valve rod (steel 35) is nitrided in the fluid soft nitriding process, the main material being made up of urea.
采用以尿素为主要原料的液体软氨化工艺，对阀杆(35钢)进行了氮化处理。
Results showed that contact fatigue property of carburized gear samples was better than that of nitrided gear samples.
试验结果表明，渗碳处理试样接触疲劳性能优于调质氮化的试样。
Properties of nitrided parts have close relation to phase composition of their compound layer and microstructure of their diffusion layer.
渗氮件的性能与渗氮层的化合物相组成和扩散层的微观结构密切相关。
In order to obtain MnN, manganese power has been nitrided by nitrogen decomposed from ammonia at high temperature in pipe type oven at lab.
采用正交设计法，在实验室管式炉内、温条件下利用氨气分解产生的活性氮对锰粉进行氮化获得氮化锰粉。
The kind and relative content of nitrides in nitrided layer can be effectively controlled through appropriate selection of technological parameters.
合理选择离子氮化温度、气氛氮势和处理时间，能有效控制钛材氮化层中的化合物相的种类和相对含量。
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.
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。
When determining the surface hardness of nitrided parts, the indentation usually exists in white layers and it is the hardness of white bright layers.
测量渗氮零件表面硬度时，压痕往往只存于白亮层之中，故只测得白亮层的硬度值。
The hardness gradient, depth, microstructure and phases of nitrided layers were measured with Microhardness Apparatus, Microcopy and X-ray diffractometer.
利用显微硬度计、金相显微镜和X射线衍射仪测定了渗氮层的硬度梯度、层深、显微组织和相组成。
The resistance of nitrided J55 casing to sulfide stress cracking (SSC) was studied by C-ring testing and three-point bending testing under different conditions.
用应力环腐蚀试验和三(四)点弯曲试验研究了某J 55(即石油套管)渗氮套管在不同试验条件下的腐蚀行为，并和未渗氮套管的抗腐蚀性进行了比较。
AISI 321 and AISI 304 stainless steels were plasma nitrided at low temperature, and uniform nitrided cases, namely, white layers, were developed on their surfaces.
对AISI 321和AISI 304不锈钢进行了低温离子渗氮，其表面获得了均匀的渗氮层即白亮层。
This paper deals with the influences of pulsed magnetic field on the depth, microstructure and hardness of the nitrided layer and the thickness of the compound layer.
本文研究了脉冲磁场对气体氮化的氮化层深度、化合物层厚度、氮化层组织及其硬度的影响。
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.
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。
Tribological tests reveal that the friction coefficients of the nitrided samples are greatly reduced, and the surface hardness is remarkably improved at the same time.
摩擦学测试表明渗氮样品不仅摩擦系数大大降低了，而且表面硬度也获得了显著提高。
The process is applied to alloy steel components which would normally be nitrided. it should be noted that the process has two main advantages over the traditional process.
这个过程是适用于合金钢部件通常将氮化。应当指出的是，这一进程有两个主要优势的传统工艺。
The study shows that there exist remarkable Ti catalysis effects, which can increase the depth of a nitrided layer, enhance its surface hardening and nitrocarburize rapidly.
研究结果表明；钛催渗具有明显的催渗效果，可使氮、碳原子的渗入速度显著加快，提高渗层深度和渗层硬度。
The low temperature plasma nitrided case of 321 stainless steel was analyzed by XRD, and the analysis found that the diffraction peak had evidently moved in low-angle region.
对经低温离子渗氮的AISI 321纲渗层进行了XRD分析，发现试样的谱峰明显向低角度偏移。
The structure and property of 40Cr steel ion?nitrided layer in the different nitrided atmosphere were investigated by means of Ion Microprobe, XRD, Microscope Analysis and so on.
采用金相组织分析、显微硬度测试以及普通辉光离子氮化炉等方法和设备 ，研究经不同方式预处理的氨气对离子氮化速度和氮化层组织的影响。
Attempts have thus been made in recent years to improve the corrosion behaviour of plasma nitrided austenitic stainless steels so as to achieve combined wear and corrosion resistant surfaces.
最近几年，作者企图提高奥氏体不锈钢离子氮化的耐腐蚀性能，以获得既耐磨又耐腐蚀的表面。
The results show that rare earth element La helps to improve the microstructure of nitrided layers by way of micro alloying effect which is dependent on its permeation into the nitrided layers.
试验结果表明，含镧的氮化层的韧性和抗冲蚀磨损性能明显优于普通氮化层。
The deduction is confirmed by establishing self locking conditions and determining the sliding friction coefficients between sand and chromium plating layer and between sand and nitrided surface.
通过建立砂粒自锁条件及实测长石砂岩、石英砂岩与泵筒镀铬层或氮化层的滑动摩擦系数值，证实了对柱塞拉伤失效原因的推测是正确的。
The deduction is confirmed by establishing self locking conditions and determining the sliding friction coefficients between sand and chromium plating layer and between sand and nitrided surface.
通过建立砂粒自锁条件及实测长石砂岩、石英砂岩与泵筒镀铬层或氮化层的滑动摩擦系数值，证实了对柱塞拉伤失效原因的推测是正确的。
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