结果表明，硬度实验类似于压缩实验中的镦粗，硬度计压头可使金属基体发生塑性变形及粘性流动。
It demonstrated that the experiment of hardness is likely to upset in the experiment of compression. Hardness tester indenter make matrix metal plastic deformation and viscous flow happen.
得出的结轮是提高压头压下速度能提高砂型表面硬度。
Thus we got a conclusion that increasing the velocity of pressing can increasing the hardness of sand mould surface.
该种检测方法与现今采用的各种硬度检测法的负荷大小及金刚石压头均有所不同。
It is different from the various methods adopted now in the number of weight and the diamond cone.
研究了施加载荷、压头形状、基板性质等因素对涂层显微硬度测试结果的影响，得出了为准确确定涂层硬度指标所适合的试验条件。
The applied load, shape of the indenter and properties of substrate that have influences on microhardness test result have been studied.
介绍几个关于金属材料硬度仪器的研制，仪器主要是依靠不同角度的角锥金刚石压头或者不同直径的钢球压头依靠加卸载力来对金属表面做出压痕。
On a few metal hardness instruments, major equipment is on a different angle conical diamond indenter or different diameter ball pressure on the first loading of the metal to Surface make indentation.
介绍几个关于金属材料硬度仪器的研制，仪器主要是依靠不同角度的角锥金刚石压头或者不同直径的钢球压头依靠加卸载力来对金属表面做出压痕。
On a few metal hardness instruments, major equipment is on a different angle conical diamond indenter or different diameter ball pressure on the first loading of the metal to Surface make indentation.
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