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    • 压痕间距对维氏硬度测量值的影响

    ZHOU Siyu,CAI Jing,ZHANG Zhongyuan,ZHANG Hongyang,WANG Jian,ZHANG Jian

    Physics Examination and Testing（2023）

    中国科学院金属研究所

    Cited 0|Views10
    Abstract
    维氏硬度试验是静态硬度试验中最为精确的一种试验方法.但是在实际的维氏硬度试验操作过程中,会受到多种因素的干扰从而影响到试验结果.利用全自动维氏硬度试验设备,通过对多个标准片进行多组维氏硬度的平行试验,分析了压痕间距这一变量对测量结果的影响,根据GB/T 4340.1-2009计算试验值的不确定度,压痕间距越大不确定度越小,试验结果越准确.并选取试验材料,以验证上述结论.
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    Key words
    Vickers hardness,uncertainty,indentation spacing
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