由于硬化层与基体的微观结构不同,也就为超声波测量硬化层的深度提供了条件。
The micro-structure of hardening layer and motherly-body is different, which provide passibility for measuring the depth of hardening layer by supersonic ware.
硬化层的特征通常由它的硬度、深度来表征。硬化层材料的微观结构又取决硬化过程。
The feature of hardening layer is usually expressed by its hardness and depth, and the micro-structure of its material is determined by the hardening process.
在这种情况下不管零件尺寸如何,其表面总归有一定深度被硬化。
Under these circumstances there would always be some finite depth of surface hardening regardless of size.
因此,辊子需要较高的表面硬度和较深的硬化层深度。
Thus, these rolls require a higher surface hardness and must be hardened to a greater depth.
实测了激光相变硬化区的宽度和深度及残余应力分布。
The width and depth of laser transformation hardening zone and residual stress distribution were measured experimentally.
该模拟技术可以预测出具体工艺条件下电子束硬化层的深度、宽度和轮廓,并为选取合理的工艺规范提供指导。
It is shown that the simulating technology established can predict the depth, width and contour of hardened case and provide guide to select reasonable parameter.
轴颈及花键底径的硬化层深度为(0。
When hardened layer depths of axle neck and spline bottom diameter is(0.
金属表面硬化层深度的检测及控制是目前机械工业部门急需解决的一个问题,它属于材料检测的范畴。
Nondestructive testing and quality control of metal hardened-depth is an important problem to be solved in machinery industry. It belongs to material property testing.
在此基础上,并参照国外的有关资料提出了不同模数时的最佳有效硬化层深度值。
On the basis of this, with reference of foreign information, the paper offers optimal effective hardened layer' thicknesses related to different module of gear.
论述了感应淬火零件的残余应力形态,并对载货车半轴的材料、硬化层深度及法兰圆角淬火层分布提出了个人见解。
This paper demonstrates residual stress of induction quench parts and personal views about stress distribution of flange corner heat treatment, truck half axle material and depth of hardened layer.
在新标准中,规定了金相组织的分级和用硬度法测定硬化层深度。
In this new standard, the classification of microstructure and measurement of the thickness of hardened layer via the expression of hardness have been stipulated.
双程磨削淬硬可使表面硬化层深度及其均匀性、显微硬度及耐磨性得到进一步提高;
The depths and its uniformity of the surface hardened layer, its microhardness and wear resistance are further improved under two-passes grinding.
结果证明:复合处理的淬硬层深度大于非氮化激光处理的硬化层。
The results show that the hardening depth of steel by composite treatment is much larger than that of single treatment of ion nitriding.
金属表面硬化层深度的检测是一项非常重要而又困难的工作。
Nondestructive testing of metal hardened depth is an important and difficult job, which belongs to material property testing.
通过灰铸铁激光相变硬化实验,实测了硬化层深度和宽度。
The width and depth of the phase transformation hardened zone were measured.
最后,采用新模型估算出激光淬火处理HT250材料硬化带深度的理论值,理论估算结果与试验结果吻合较好,且比简易激光相变硬化模型估算结果更接近于试验结果。
The new model has been used to evaluate the hardened depth of laser-quenched HT250, and the theoretical results are verified by the experiments and are more accurate than that of the old model.
与干磨相比,湿磨硬化层表面残余压应力有所提高,但其硬化层深度减少了约30%。
Compared with the dry-grinding, the surface compress residual stresses of the hardened layer under wet-grinding is increased, but its depth of hardened layer reduces about 30%.
用有限元法对非均匀介质的涡流检测信号进行了数值模拟,并针对检测信号采用逼近的方法预测了表面硬化层深度。
The numerical simulation on the eddy signals was introduced by approaching method based on Finite Elements theory to predict the hardened depth.
对材料硬度、硬化层深度、晶粒大小、极限强度等主要采用电磁检测和超声检测。
Electromagnetic testing and ultrasonic testing are the main points for materials hardness, hardness depth, crystallite size, limiting intensity etc.
硬化层深度是等离子弧表面淬火效果的重要指标之一,而硬化层深度与工艺参数、淬火过程中温度场的变化密切相关。
Hardening depth related to the technical parameters and the quenching temperature field is an important target by plasma surface quenching.
激光功率的增大、扫描速度的减少都会使硬化层深度和硬化层宽度得到增加。
The depths and widths of the hardened band rises with increase in laser power or decrease in laser scanning velocity.
获得了金相组织的变化,获取了试验后的硬化层深度和宽度。
Metallographic change is also researched. The hardened surface band depths as well as hardened surface band widths were obtained.
根据温度场预测了硬化层深度和宽度。
According to the temperature field, the depths and widths of the hardened band were predicted.
摘要:对980钢进行激光相变硬化研究,分别对其空冷和水冷时淬火硬化层的宽度和深度进行测量,对其组织和硬化层硬度进行分析。
Abstract: The research of laser transformation hardening on steel 980 has been done in this paper. The width, depth and microhardness of quench zone was measured.
摘要:对980钢进行激光相变硬化研究,分别对其空冷和水冷时淬火硬化层的宽度和深度进行测量,对其组织和硬化层硬度进行分析。
Abstract: The research of laser transformation hardening on steel 980 has been done in this paper. The width, depth and microhardness of quench zone was measured.
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