Method: Morphological identification and differential thermal analysis (DTA).
方法：形态鉴定及差热分析法。
The effects of antimony and mischmetal on the casting properties of AZ31 alloy were investigated using the differential thermal analysis and hot tearing ring method.
用差热分析及热裂环法研究了锑和混合稀土对AZ31镁合金铸造性能的影响。
The concept of thermal differential mouldless forging and the method of generating large thermal differential are introduced first.
介绍了差温无模锻造的概念和基本原理以及要在金属坯料土产生大的差温所采取的方案。
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