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High Temperature-Creep Resistant Magnesium Alloys: Advances in Thixomolding Automotive Components

机译:耐高温蠕变镁合金:触变成型汽车部件的进展

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摘要

Applications of magnesium-based alloys to transmission and underhood automotive components have been lim- ited by creep and bolt-load relaxation. A further concern is the relative expense of Mg alloys, such as AE42, that contain rare earth elements. These alloys still fall short of the performance of 380 AI. A new family of low-cost Mg alloys (ZAC) containing Zn, AI, and Ca has been Developed and reported to approach AE42 and to outper- Form 380 AI; however, it exhibits castability concerns in Die casting.
机译:蠕变和螺栓载荷松弛限制了镁基合金在变速箱和发动机罩下的应用。另一个问题是含有稀土元素的镁合金(例如AE42)的相对成本。这些合金仍达不到380 AI的性能。已经开发出一种新的含锌,铝和钙的低成本镁合金(ZAC)系列,据报道其可达到AE42并优于380 AI。然而,它在压铸中表现出可铸性。

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