通过硬度测量和微观金相观察，研究了钪对铝锂合金再结晶过程的影响。
The effects of scandium on the recrystallization of aluminium-lithium alloy are investigated by measuring the vickers hardness of the testing alloys and by observing their microstructures.
并借助能谱分析和金相观察对上述三层的传质过程和形成机理进行了分析和探讨。
Relying on energy spectrum analysis and metallographic examination, we have studied and analyzed the spreading the quality course and forming mechanism of the above every layer.
依据断口扫描形貌和裂纹扩展途径的金相观察，探讨了在混合溶液中应力腐蚀机制。
The stress corrosion mechanism of in mixed solutions is explored based upon metallographic analysis of crack development.
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