It has the advantage in simple process, low cost and high quality compared with hot drawing.

工艺过程简单，加工成本低，零件质量高。

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So it is necessary to study hot stretch properties, hot drawing of shell parts and its finite element simulation of magnesium alloys for providing technical supports of plastic processing.

由于镁晶体为密排六方结构，镁合金的室温塑性加工能力较低，因而很有必要研究镁合金的热拉伸性能，壳形件热拉深成形及其有限元模拟，为今后镁合金塑性加工提供必要技术支持。

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So it is necessary to study hot stretch properties, hot drawing of shell parts and its finite element simulation of magnesium alloys for providing technical supports of plastic processing.

由于镁晶体为密排六方结构，镁合金的室温塑性加工能力较低，因而很有必要研究镁合金的热拉伸性能，壳形件热拉深成形及其有限元模拟，为今后镁合金塑性加工提供必要技术支持。

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