polishing scratchgrinding crack
磨: millmillstones... details>>
痕: marktrace... details>>
磨痕疤: polish mark... details>>
研磨痕: grinding marks... details>>
打磨痕迹: buff marks... details>>
链状磨痕: block rake... details>>
磨黑: mohei... details>>
磨后圆球率的测定: determination for sphericity of ion ex ...... details>>
磨合钻头: bit break-in procedure... details>>
磨胡椒子的小罐。: pepper-mill... details>>
磨合轴颈: worn in journalworn-in journal... details>>
磨花玻璃器皿: polished glassware... details>>
磨合运转时期偏移力: deflection force for run-in period... details>>
磨滑: ground upwear smooth... details>>
磨合运转时间: break-in periodrunning-in time... details>>
SEM就是观察表面形貌的一种方法。对于块状材料,如果观察断口形貌,则要把样品打断,将断口在丙酮中超声处理,去除碎渣,再喷碳或金。
对于抛光样品,需要将抛光面腐蚀。腐蚀剂根据不同材料选择。
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