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显微硬度计是进行硬度试验的精密仪器，可以测试样品中，小到某个晶粒的硬度值。在进行材料的金相试验时，也往往要用显微硬度计来测试材料微区的硬度值，以便对材料的特质做出全面的评估和科学的判断；但是，在实验室得到的这类待测材料的样品中，多半样品形状很不规则，要对
Microhardness tester is a precision instrument for hardness testing, which can test the hardness of a sample as small as a grain. Metallographic testing of materials, often with a microhardness tester to test the micro-hardness of the material in order to make a comprehensive assessment of the material properties and scientific judgments; However, in the laboratory to obtain such The sample material to be tested, most of the sample shape is very irregular, to be