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中文摘要：
它对做的演员组经济地有益铝合金直接进 near-net-shape 部件。现在的工作的目的是与 7075 合金利用 rheoforming 在制造改进这种新兴的技术的竞争力做铝合金。高质量的半固体泥浆被生产，在哪个主要一(艾尔) 在 62 m 和 0.78 的形状因素的直径介绍并且不展示骗诱的 eutectics。更高的形成压力导致小谷物尺寸，改进形状因素和更高的密度。特别， rheoforming 能有效地减少热撕的出现。处于 T6 条件的 rheoformed 样品的平均收益力量和延伸是 483 MPa 并且 8% 分别地。
英文摘要：
It is economically advantageous to cast wrought aluminum alloys directly into near-net-shape components.The objective of the present work is to take advantage of the rheoforming with 7075 alloy to improve the competitiveness of this emerging technology in the manufacture of wrought aluminum alloy.High quality semi-solid slurry was produced,in which primary α（Al） presents in diameter of 62 μm and shape factor of 0.78 and features no eutectics entrapped.Higher forming pressure results in small grain size,improved shape factor and higher density.Especially,rheoforming can effectively reduce the occurrence of hot tearing.The average yield strength and elongation of the rheoformed samples in the T6 condition are 483 MPa and 8%,respectively.
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