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Abstract:
一种含Er高冲击韧性铸造铝硅合金,属于金属合金技术领域。本发明所提供的合金中各合金组分及其重量百分比为:Si的含量为6.7~7.3%,Mg的含量为0.32~0.40%,Ti的含量为0.08~0.15%,Er的含量为0.08~0.25%,B的含量为0.005%,Fe的含量不大于0.13%,余量为Al及总量不超过0.02%的杂质。本发明加入了稀土元素Er,使共晶硅及α晶粒得到细化,冲击韧性(ak)相对于普通铸造铝硅合金提升56%。由此可推断,Er有望成为改善铸造铝硅合金冲击韧性的有效合金元素。
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Patent Info :
Type: 发明申请
Patent No.: CN201610130553.8
Filing Date: 2016-03-08
Publication Date: 2016-05-04
Pub. No.: CN105543586A
Applicants: 北京工业大学
Legal Status: 驳回
Cited Count:
WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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