By microstructure analysis the evolutive characteristic of structure of rapidly solidified Cu Zn alloy in different temperature preservation was initially made clear.
通过金相组织分析，初步摸清铜锌合金快速凝固组织在不同温度下保温组织演变的特点。
The phase structure and dislocations in rapidly solidified AZ91D magnesium alloy were studied by TEM and XRD techniques.
采用TEM和XRD分析技术研究了快速凝固AZ 91 D镁合金的相结构及位错。
Due to very high cooling rate, the nugget structure rapidly nucleates and grows. The refined microstructure of the nugget with rapidly solidified characteristic is formed.
极大的冷却速率使得接头组织瞬间形核并快速生长，形成组织细小致密具有快速凝固特征的焊接接头。
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