By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.
通过金相分析、硬度测试、磨损测定，研究了硼硫共渗对渗硼层组织和性能的影响。
| 单词 | Hardness test |
| 释义 |
Hardness test
英语例句库
By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer. 通过金相分析、硬度测试、磨损测定，研究了硼硫共渗对渗硼层组织和性能的影响。 Analysis of the Stem-fillet blend fracture of exhaust valve was conducted by means of macroexamination, microstructure examination, chemical composition analysis and hardness test. 摘要采用宏、微观检验、化学成分分析和硬度测试等方法对断头的排气门进行了分析。
英语百科
Indentation hardnessIndentation hardness tests are used in mechanical engineering to determine the hardness of a material to deformation. Several such tests exist, wherein the examined material is indented until an impression is formed; these tests can be performed on a macroscopic or microscopic scale. |
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