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Chinese Standard: GB/T 34205-2017

Metallic materials—Hardness testing—Ultrasonic contact impedance method

全国钢标准化技术委员会(SAC/TC 183)

本标准规定了金属材料超声接触阻抗法硬度试验的术语和定义、原理、符号及说明、试验设备、试样、试验程序、结果的不确定度、试验报告。

本标准适用于金属材料超声接触阻抗法硬度试验,也适用于金属涂层、镀层及硬化层的超声接触阻抗法硬度试验。

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