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Abstract：
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Magnesium alloy is an ideal structural metal material with many excellent characteristics.In order to avoid the vibration failure caused by large mass when developing a kind of sighting telescope,MB2 Magnesium alloy is finally decided as the billet material to be forged after fully evaluating.Therefore,researching on the technique of forging MB2 Magnesium alloy is carried out.The perpendicular experiment method is used in this research.Each of the main three factors such as,holding time of furnace temperature,forging machine clamp temperature and forging time are designed to three levels and so nine experiments are carried out.Forging flow line of the billet is observed with the low powered microscope.It demonstrates that holding the billet forging temperature is the key to forging quality,which can be achieved by many means such as,shortening the forging time,increasing the clamp temperature and so on.The optimal processing parameters of MB2 Magnesium alloy forged on the general forging machine are determined after a series of subsequent optimizing experiment.
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AuthorIntro：
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Reference：
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[1]Ogawa N,Shiomi M,Osakada K.Forming limit of magnesiumalloy at elevated temperature for precision forging[J].Inter-national Journal of Machine Tools and Manufacture,2002,42(5):607 614.
[2]张士宏,许沂,王忠堂,等.镁合金成形加工技术[J].世界科技研究与发展,2001,23(6):18 21.
[3]夏巨谌主编,中国机械工程学会,中国模具设计大典编写组.中国模具设计大典:第4卷[M].南昌:江西科学出版社,2003.
[4]工程材料实用手册编辑委员会.工程材料实用手册(第3册):铝合金镁合金钛合金[M].北京:中国标准出版社,1989.
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