Standard test method for determination of surface roughness by scanning tunneling microscopy for gas distribution system components
全国纳米技术标准化技术委员会(SAC/TC 279)
本标准规定了一种使用扫描隧道显微镜（STM）来分析气体配送系统部件表面粗糙度的方法。
本标准适用于测定Ra小于0.25 μm的不锈钢表面粗糙度的表征。
本标准不适用于不能产生隧道效应的厚氧化层钢铁。
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