对镁合金车轮轮芯、轮辐、外轮缘和轮辋共 4 个区域和镁合金原材料进行金相组织、晶粒尺寸、晶粒度和各相(主要为α相和β相)面积占比检测,分析不同晶粒尺寸面积占比。
For magnesium alloy wheel core, spokes and rim and rim, a total of four regions and magnesium alloy materials microstructure, grain size, grain size and phase (mainly for alpha and beta phase) area of detection, analysis of different grain size of area.