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.
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.
在平面磨床上对非淬硬钢进行了磨削硬化处理，研究了磨削方式和冷却条件对表面硬化层的影响。
The surface hardening of 40cr steel was performed on a surface grinder by transverse feed grinding; the changing trends of microstructure and wear behavior of surface hardened layer were researched.
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.
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.
这一不透气的壳层(或边界层)会阻滞水分自由扩散，这种情形称为表面硬化。
This impervious layer or boundary will retard the free diffusion of moisture. This condition is referred to as case hardening.
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.
实验结果表明，合金铸铁光束表面相变硬化层由与基材相邻的不完全相变区及表面完全相变区组成。
The experimental results show that the surface hardened layer consists of non-full transformation area which is adjacent to the base metal and surface full transformation area.
研究了软化和硬化材料表面喷丸应变层内的组织结构。
The microstructure in shot-peening surface plastic straining layer of several softening and hardening materials are investigated.
结果表明，表面熔化处理后的硬化层的硬度梯度平缓，耐磨性高。
The results showed that the hardening layer has better hardness gradient and high wear resistance.
研完了表面状态、斑尺寸、率及扫描速度对硬化层特征及耐磨性的影响。
The influence of coating, spot size, power and scanning speed on hardening layer features and wear resistance were studied.
文章还介绍了为预防汽轮机喷嘴和动叶片免受固体颗粒侵蚀所采用的表面硬化处理技术，包括等离子喷涂层和扩散渗层在内；
The paper also briefs the nozzle or moving blade surface hardening treatment technology, including plasma spraying and diffusion layer for preventing the nozzle and moving blade from SPE.
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。
When carburized under high carbon potential (1. 1% C), microcracks tend to appear on the martensitic matrix near the outer surface of the layer.
研究了等离子束表面硬化工艺参数对硼铸铁淬硬层及其组织与性能的影响。
Effects of process parameters of plasma beam surface hardening treatment on hardening layer of boron cast iron and its microstructure and properties are investigated.
磨 辊 齿经等离子弧表面淬火后硬化层的厚度约为0。
The depth of hardened layer after surface quenching was about 0.
采用激光表面处理工艺，对数控机床主轴主要表面进行快速激光扫描，可获得高硬度的淬火硬化层。
The quenching layer with high hardness on the surface of number control machine-tools axle was obtained using laser surface treatment technology.
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.
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%.
热处理、碳化、淬火硬化层，表面覆层，钢，有色金属，微小及薄形零件等。
Heat treated layer, carbonized layer, hardened hard layers, superficial coating, steels, non-ferrous metal, micro and thin shaped components.
提出了齿轮激光表面强化的偏置技术、变速扫描技术和辅助冷却技术，因而，获得了沿齿廓分布的均匀硬化层。
The three key techniques for laser surface hardening of gear have been proposed in this paper. With using these techniques, an uniform hardened case along the flank of gear has been obtained easily.
等离子表面淬火硬化层的硬度分布，在某一区域内无明显的硬度梯度，这与常规淬火方法的结果不太一样。
The hardness distribution without obviously declining gradient in one range of the hardened layer produced by plasma quenching is rather different from that by conventional quenching.
采用JXA-840A分析了微加工形貌，表明微腔（槽）表面留有一层致密的硬化层，且与基体结合良好。
The micro-structure of cutting grooves was analyzed with JXA-840A. It is found that the treated layers of grooves have a fine hardness property and good joining strength with the base metal.
采用JXA-840A分析了微加工形貌，表明微腔（槽）表面留有一层致密的硬化层，且与基体结合良好。
The micro-structure of cutting grooves was analyzed with JXA-840A. It is found that the treated layers of grooves have a fine hardness property and good joining strength with the base metal.
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