microporosity

Microporosity in thermite weld joint consiste of blow hole and shrinkage cavities.

氧或硅含成氧化物或硅酸盐;

The microporosity morphology and formation mechanism of cast magnesium alloy was investigated with software for analysis percentage of microporosity and field scanning electron microscopy.

铸造镁合微孔的组织态成机理符合成模型和溶质再分配理论,从而验证氢析出成显微孔机理。