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中文摘要：
由于具有低密度和其他的优异性质,镁合金作为21世纪轻量化结构和功能材料正越来越多地应用于汽车、电子、航空航天及能源等领域。然而,现阶段镁合金的高温和腐蚀性能还不够好,加之其熔炼时燃烧和加工性能差限制了其发展和实际应用。结合笔者的研究工作,综述了镁合金高温强化、阻燃和腐蚀方面国内外的研究成果,探讨了Bi,Sb及稀土对镁合金高温强化影响机理、Ca,Be稀土等对镁合金的阻燃机理和镁合金腐蚀钝化机理。意在加深对这些机理的理解,为将来镁合金的研究发展提供基础。
英文摘要：
Magnesium alloys as light structural and functional materials are applied increasingly in the automotive,aerospace,electronic and energy industries due to their combination of low density and lots of excellent properties.However,their poor high temperature and corrosion performance,poor workability,as well as burning of molten Mg alloys prevent their development and practical applications.Combining author＇s research works,the research achievements in high temperature strengthening,ignition-proof and corrosion of magnesium alloys were reviewed.The influence mechanisms of Bi,Sb and rare earth elements on the high temperature strengthening,the ignition-proof mechanisms of Ca,Be and rare earth elements and the corrosion and passivation mechanisms of Mg alloys were discussed.The aim of this overview is to deepen the current understanding of these mechanisms and to provide a base for research and development of Mg alloys in the future.
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