Metallographic change is also researched. The hardened surface band depths as well as hardened surface band widths were obtained.
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。
Onchon amd Kang Da Ri bases both have massive and hardened below-surface facilities.
温川基地和抗大日基地都有大规模坚固的地下设施。
As the size of parts to be hardened increases, the surface hardness decreases somewhat even though all other conditions have remained the same.
即使所有其它条件保持不变，随着要淬火的零件尺寸的增加其表面硬度也会有所下降。
The profiles are manufactured by a special extrusion process then surface hardened and given a finishing treatment.
概况生产由一个特别然后挤压工艺和表面硬化整理给予治疗。
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.
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。
Thus, these rolls require a higher surface hardness and must be hardened to a greater depth.
因此，辊子需要较高的表面硬度和较深的硬化层深度。
Case hardened: a case hardened fastener is a fastener of ferrous material having a surface which has been made harder than the core.
表面硬化：表面硬化的紧固件是黑色金属，其表面经过处理后比内心硬度要高。
The experimental result shows that the depth of hardened zone and smoothness of surface can be controlled conveniently by varying the power output beam diameter and scanning rate of laser light.
试验表明：通过调节激光器的输出功率、光斑直径和扫描速度可以方便地控制熔化层深度和表面平整度。
The depths and its uniformity of the surface hardened layer, its microhardness and wear resistance are further improved under two-passes grinding.
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 waters are hardened like a stone, and the surface of the deep is congealed.
水怎样凝结如石？深渊的表面怎样固结？
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%.
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%。
During ausform finishing process of hardened gears, there is plastic displacement of metal on the tooth surface and the distortion of tooth profile.
在齿轮热滚挤加工中，轮齿上的金属在强制挤压力的作用下沿齿面产生塑性流动，使齿形发生变化。
The paper provides the mathematical model of numerical simulation for metal surface hardened by plasma-arc with finite element method.
给出了用有限元方法对金属材料等离子体弧金属表面强化处理过程数值模拟的数学模型。
The invention also provides a cement composite formation method, characterized in that the substance block agent is coated on the surface of the hardened cement product.
又，本发明亦为以于水泥硬化体表面被覆以前 述物质隔绝剂为特征的水泥复合体的形成方法。
Tempering resulting from grinding heat caused surface hardness changes of hardened steels after grinding.
磨削热导致回火引起淬硬钢磨削后表面硬度变化。
In addition, the fatigue life decreases after nitrocarburizing, are because the surface hardened layer leads to the plastic behavior loss of a whole material.
另外，共渗处理疲劳寿命的降低是表面强化层造成整体材料的塑性损失的结果。
Due to the strong cutting edge with large flat surface, it is suitable for hardened materials and titanium alloy.
由于切削面具有大的切削接触表面积，所以刀刃的韧性高，适合用于加工高硬度材质和钛合金。
The results show that, by the scanning method, we may obtain well-distributed hardness and approximately ideal distribution of hardened layer on gear surface.
采用该工艺，可得到均匀的齿面硬度和较为理想的齿面硬化层分布状态。
The depth of hardened layer after surface quenching was about 0.
磨 辊 齿经等离子弧表面淬火后硬化层的厚度约为0。
Surface hardened steel, copper, aluminum alloy sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface heat treating and chemical treating materials, etc.
表面淬火钢，铜、铝合金薄板，带钢，硬质合金钢，镀锌，镀铬，镀锡，材料表面热处理和化学表面处理的各种金属材料。
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.
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。
High speed milling of hardened mould steel can not only ensure the quality of the surface that has been processed, but also achieve a high efficiency of production.
模具淬硬钢高速铣削加工既可以保证加工表面的质量，又可以获得较高的生产效率。
Through the test of macroscopic performance of the hardened plaster surface which have different fineness, summing up the regularity that the fineness influence surface layer of plaster.
通过对不同细度面层石膏的硬化体宏观性能的测试，总结出细度对面层石膏性能的影响规律。
The torrent flowed along the surface of the hardened tufa, and destroyed the few meager skeletons of trees which had withstood the first eruption.
洪流沿着凝固了的凝灰岩表面流去，把第一次火山爆发以后残存下来的几棵干枯的树干都摧毁了。
Usually the surface would be hardened in a large area after completion of development and construction projects.
开发建设项目建成后往往使地表大面积硬化，从而改变项目区入渗、蒸发、地表径流量和特性。
Usage Range: Surface hardened steel, copper, aluminum alloy thin sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface hardened treating and chemical treating materials, etc.
适用范围表面淬火钢，铜、铝合金薄板，带钢，硬质合金钢，镀锌，镀铬，镀锡，材料表面热处理和化学表面处理的各种金属材料。
Usage Range: Surface hardened steel, copper, aluminum alloy thin sheet, hard alloy steel, zinc layers, chrome layers, tin layers, surface hardened treating and chemical treating materials, etc.
适用范围表面淬火钢，铜、铝合金薄板，带钢，硬质合金钢，镀锌，镀铬，镀锡，材料表面热处理和化学表面处理的各种金属材料。
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