The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采用定量
法
析计算了亚共析
拉拔变形中先共析铁素体应变量。
The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.
采用定量法析计算了亚共析拉拔变形中先共析铁素体应变量。
By means of analysis, hardness test, abrasion test, this paper studies the effect of boron-sulphurizing on microstructure and properties of boronized layer.
通过析、
度测试、磨损测定，研究了硼硫共渗对渗硼层组织和
能的影响。
In this paper,the mechanism of workpiece burn during grinding of casehardened steel and titanium alloys was studied by the use of SEM,EPMA,XPS and the metallograph analysis.
本文应用SEM,EPMA、XPS及显微析等技术研究了表面
和钛合的烧伤机理。
An investigation was made on the effect of rewelding on mechanical properties of Ultra-low carbon austenitic stainless steel based on mechanical properties test and microstructure examination.
通过对反复焊接1～5次的超低碳奥氏体不锈力学能的试验及组织的析,研究了反复焊接对超低碳奥氏体不锈力学能的影响。
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