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hardness layer
相关语句
  硬度层
     In order to increase the service life and improve the operational performance of the valves, it is necessary to optimize the valve cone angle, valve disk structure and the shape of rubber ring and to balance heat-treatment technique with the application of correct materials, thus inereasing the core hardness and the thickness of high hardness layer of the valves.
     为提高泵阀使用寿命,应优化阀锥角、阀盘结构及密封胶圈形状; 选用合适的泵阀材料和热处理工艺,提高泵阀心部硬度,增加高硬度层厚度,改善其使用性能。
短句来源
     The test results show that there is a low hardness transition layer on the surface of hot working die,but there is no low hardness layer on the surface of TiN die.
     试验表明,TiN涂层模具表层不出现热模具通常存在的低硬度层
短句来源
  “hardness layer”译为未确定词的双语例句
     The hardness layer of titanium castings was 50 μm for the room temperature mold, 125 μm for the 850℃ mold.
     用室温铸模铸造时钛铸件表面硬化层厚50μm,用850℃铸模铸造时钛铸件表面硬化层厚125μm。
短句来源
     This paper introduces the multipurpose furnace with technological specificity of low vacuum thermochemical treatment. It discusses the experimental results about low vacuum pulse carbonitriding. The results show that thin and high hardness layer is obtained and hardening depth is 0. 1 ~ 0. 3mm and hardness is over 58HRC,in the range of 750~840℃.
     介绍了低真空化学热处理多用炉及其工艺特征,讨论了低真空脉冲式碳氮共渗的试验研究结果.试验和应用表明,在750~840℃进行低真空脉冲碳氮共渗,能够简便可靠地实现硬化层深度0.1~0.3mm和表面硬度≥58HRC的超薄层高硬度碳氮共渗处理。
短句来源
     The hardness layer depth of grinding entrance area is thinner than the one of grinding middle area and grinding exit area.
     工件切入区域的磨削淬硬层厚度较薄,中部区域的磨削淬硬层厚度较为均匀,切出区域的磨削淬硬层厚度较深。
短句来源
     Finite Element Simulation of the Transient Temperature Field During Laser Surface Quenching and Forecasted Depth of the Hardness Layer
     激光表面淬火瞬态温度场的有限元模拟及硬化层深预测
短句来源
     The effect of grinding depth on work piece surface hardness and hardness layer depth is important factor.
     磨削深度是影响工件表面硬度和磨削淬硬层厚度的主要因素。
短句来源
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  相似匹配句对
     The layer has higher hardness.
     渗层具有较高的硬度。
短句来源
     Study on Hot Hardness of Boronized Layer
     渗硼层红硬性的研究
短句来源
     Men's hardness
     男人的硬道理
短句来源
     Protocol layer.
     ●协议分层。
短句来源
     and beneath layer (E).
     E下伏地层。
短句来源
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  hardness layer
It was ascertained that the cell size was small (~10 μn), and α-alumina was dominant in the high hardness layer of the coating.
      


Failure analysis shows that the valves in fracturing pumps, which are subjected to high impact load and severe erosion by fracturing fluid with high sand content and high acidity, suffer from abrasive wear, erosion wear and fatigue wear, resulting in seal failure and low service life. In order to increase the service life and improve the operational performance of the valves, it is necessary to optimize the valve cone angle, valve disk structure and the shape of rubber ring and to balance heat-treatment technique...

Failure analysis shows that the valves in fracturing pumps, which are subjected to high impact load and severe erosion by fracturing fluid with high sand content and high acidity, suffer from abrasive wear, erosion wear and fatigue wear, resulting in seal failure and low service life. In order to increase the service life and improve the operational performance of the valves, it is necessary to optimize the valve cone angle, valve disk structure and the shape of rubber ring and to balance heat-treatment technique with the application of correct materials, thus inereasing the core hardness and the thickness of high hardness layer of the valves.

对U类和O类泵阀的失效分析表明,压裂泵泵阀受高压冲击载荷和高含砂高酸度压裂酸化液冲蚀作用,产生磨料磨损、冲蚀磨损和疲劳磨损,导致密封失效,使用寿命低。为提高泵阀使用寿命,应优化阀锥角、阀盘结构及密封胶圈形状;选用合适的泵阀材料和热处理工艺,提高泵阀心部硬度,增加高硬度层厚度,改善其使用性能。

This paper introduces the multipurpose furnace with technological specificity of low vacuum thermochemical treatment. It discusses the experimental results about low vacuum pulse carbonitriding. The results show that thin and high hardness layer is obtained and hardening depth is 0. 1 ~ 0. 3mm and hardness is over 58HRC,in the range of 750~840℃.

介绍了低真空化学热处理多用炉及其工艺特征,讨论了低真空脉冲式碳氮共渗的试验研究结果.试验和应用表明,在750~840℃进行低真空脉冲碳氮共渗,能够简便可靠地实现硬化层深度0.1~0.3mm和表面硬度≥58HRC的超薄层高硬度碳氮共渗处理。

To investigate whether titanium can be used as dental material, the mechanical properties of casting Gr2 pure titanium were studied in the paper. The results were as follows: Tensile strength and yield strength of the material increased while its elongation values decreased; Knoop hardness value declined gradually from the surface to the interior; Hardness layer was about 75 μm thick. The chemical element analysis with electric micro probe indicated the spreading of Si, Zr, Al in the surface of...

To investigate whether titanium can be used as dental material, the mechanical properties of casting Gr2 pure titanium were studied in the paper. The results were as follows: Tensile strength and yield strength of the material increased while its elongation values decreased; Knoop hardness value declined gradually from the surface to the interior; Hardness layer was about 75 μm thick. The chemical element analysis with electric micro probe indicated the spreading of Si, Zr, Al in the surface of casting titanium and Si rich layer was 30 μm thick. All these suggested that cast pure titaniums can satisfy the clinical needs.

为了研究钛作为口腔修复材料的可行性,采用拉伸试验、表面硬度试验及电子探针对Gr2型纯钛铸造后的性能进行分析.结果表明:铸造后的钝钛抗拉强度和屈服强度增加,延伸率下降,Knoop氏显微硬度从铸钛表面到内部逐渐下降,硬化层厚度约75μm,电子探针显示钛表面有Si,Al,Zr元素扩散,Si层厚约30μm.说明经铸造后的钝钛能满足临床的需要

 
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