The effect of adding RE in low carbon steel on carburized layer is studied.

研究了低碳钢中加入RE后对渗碳层的影响。

Another group of small specimens used for com-parison is pseudo-carburized.

为了对比，还有一组小试样经过伪渗碳处理。

Furthermore, the kinetic equation of carburized layer growth was presented.

此外，还给出了渗层生长的动力学方程序。

The quenching stress and distortion of carburized 20 steel are calculated by finite element.

对2 0钢渗碳后的淬火应力与畸变进行了有限元计算。

Overseas studies on carburized high temperature bearing steels has been summarized in the paper.

概述了国外渗碳型高温轴承钢的研究情况。

Lightweight forged pistons on carburized connecting rods for superb strength and reduced reciprocating mass.

轻量级伪造的渗碳精湛的连接强度和减少大规模棒往复活塞。

This paper investigates the contact fatigue strength comparison of laser-hardened gear and (carburized) gear.

研究推导了外波式活齿减速器中接触强度的计算公式。

It is considered that the carbon gradient of carburized layer can be controlled by hot-rolling deformation rate.

分析认为，可以用热轧形变量大小控制渗碳层的碳梯度。

When the carbon content in carburized layer ranges from1.08% to 1.45%, the wearability increases with carbon content.

在渗层含碳量为1.08 ~ 1.45%的范围内，耐磨性随含碳量的增加而提高。

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。

Green CONTROL NUMBER: Numerical system, which is used in the scheduling of product to be green machined and carburized.

毛坯件控制号码：是产品进行毛坯加工和渗碳处理时所用到的号码系统。

Eddy current testing system of carburized materials was developed by using ANSYS software as second development platform.

以通用有限元分析软件A NSYS作为二次开发平台，开发了面向渗碳材料的涡流测试系统。

The metal carburized layer depth is one of the major technical parameter to evaluate the quality of carburized components.

渗碳层深度是衡量渗碳件质量的主要技术指标之一。

The requirement for retained austenite content in the carburized or carbonitrided case will vary with the type of product.

不同产品对残余奥氏体量的要求量是不同的，可采用相应的热处理工艺进行控制。

The facts have proved that this instrument can meet the need of actual manufacture for the depth of carburized layer measurement.

实践证明，该仪器完全能满足生产实际对渗碳层深度的测量要求。

The computer simulation of fluid flow in pit furnace when large sized gears gas carburized has been done using the theory of hydrokinetics.

利用流体动力学的基本原理用计算机模拟了大尺寸齿轮在井式渗碳炉内进行气体渗碳时的流场分布。

This paper compared several testing methods of carburized depth of high air pressure drill and evaluafed their accurately and practicality.

比较了高风压钻头渗碳层深度的不同检验方法 ，并对其正确性和实用性进行了探讨。

The ethylene cracking tubes pack-carburized in a laboratory(P tube) and carburized during servicing in a cracking furnace (S tube) are studied.

对实验室固体渗碳（P管）和裂解炉运行渗碳（S管）的乙烯裂解管进行了研究。

The microstructure of carburized layer in 20 steel cast-iron molten bath carburized at different temperature and time was studied in the paper.

本文探讨了2 0钢在铸铁浴中经不同温度及时间渗碳的渗层组织。

When carburized under high carbon potential (1. 1% C), microcracks tend to appear on the martensitic matrix near the outer surface of the layer.

表面碳势为1.1%C的渗碳硬化层内，临近外表面部位的枣核马氏体中会出现显微裂纹。

Hardening: Case hardening process whereby the carburized outer surface is made hard and strong while the center (core) is made tough and flexible.

淬火：是使渗碳的表面变硬，芯部变得有柔韧性的表面硬化工艺。

The macro characteristics, micro morphology, metallographic structure and carburized layer depth of the fractured teeth were observed and analyzed.

对断齿齿面的宏观特征、微观形貌、显微组织和渗层深度进行了观察、测试与分析。

A new method, named resistance method, for determining the depth of carburized layer is presented by means of theoretical analysis and test results.

通过理论分析和试验结果，讨论了一种新颖的测定渗碳层深度的方法——电阻法。

When it was carburized in the appropriate temperature and was quenched in hot-oil, its properties can achieve the specification on the part drawings.

渗碳时选取合适的温度，采用热油淬火，产品达到了图纸的技术要求。

Scanning electron microscopy and X-ray diffraction were used to analyze the starting tungsten powder, the carburized tungsten powder and the deposit.

采用扫描电镜和X射线衍射仪分析了原始钨粉、 炭化粉末和反应沉积物的显微组织和成分。

In addition, according to the geometrical relation, the equation for calculating the most suitable transition radius of carburized corner parts was deduced.

此外，还根据几何关系推导出了工件尖角部位渗碳后加工倒圆的最佳曲率半径公式。

The carburized alloyed layer possesses high density of finery and dispersed alloy carbides for the high concentrations of W, Mo and their affinities with carbon.

经淬火及回火后的合金层具有高速钢组织及性能。对渗金属层渗碳后的组织进行了电子显微分析。

The results show that the carburized case uniformity can be ensured through sand blasting or phosphating before carburizing, and NH3 is filled during carburizing.

结果表明：零件渗碳前经吹砂或磷化，渗碳时通入NH3，能够保证渗碳层均匀。

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.

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。