如题：The authors describe micro-hardness values HV0.1 - are there not huge scattering due to coarse multiphase structure? Why you do not use macro-hardness to describe the compound hardness of the different layers. In general, micro-hardness is used for matrix hardness. Please comment on this.
我做的是梯度涂层，厚度约为2mm
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+1/499
