| 锑含量对Mg-6Al-6Si合金组织性能的影响 |
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| 引用本文： | 郑荣军,井晓天,卢正欣,曹伟产,宋佩维.锑含量对Mg-6Al-6Si合金组织性能的影响[J].铸造技术,2007,28(4):512-514. |
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| 作者姓名： | 郑荣军 井晓天 卢正欣 曹伟产 宋佩维 |
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| 作者单位： | 1. 西安理工大学材料学院,陕西,西安,710048
2. 西安理工大学材料学院,陕西,西安,710048;陕西理工学院机械工程学院,陕西,汉中,723003 |
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| 摘 要： | Mg-Al-Si系合金（AS系列）在凝固过程中容易形成粗大Mg2Si相,严重影响材料的性能。通过添加Sb使Mg2Si尺寸和形状得到改善,以提高材料的性能。结果表明,加入Sb后合金的铸态组织得到明显改变,随Sb加入量的增加初晶Mg2Si逐渐消失,树枝状Mg2Si变得更加细小、弥散,当Sb含量为1.0%时,初晶Mg2Si已完全消失,此时合金的抗拉强度达到最大值。
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| 关 键 词： | Mg-Al-Si合金 组织性能 Sb含量 |
| 文章编号： | 1000-8365(2007)04-0512-03 |
| 修稿时间： | 10 14 2006 12:00AM |
Effects of Sb Content on the Structure and Properties of Mg-6Al-6Si Alloy |
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| ZHENG Rong-jun,JING Xiao-tian,LU Zheng-xin,CAO Wei-chan,SONG Pei-wei.Effects of Sb Content on the Structure and Properties of Mg-6Al-6Si Alloy[J].Foundry Technology,2007,28(4):512-514. |
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| Authors: | ZHENG Rong-jun JING Xiao-tian LU Zheng-xin CAO Wei-chan SONG Pei-wei |
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| Abstract: | Mg-Al-Si alloys will form a coarse Mg2Si phase during the process of solidification, which can impair the properties of material seriously. The dimension, morphology and properties can be improved by the addition of Sb. The results show that the structure of the as-cast Mg-Al-Si alloy is changed significantly. The primary Mg2Si phase disappear gradually with increase of Sb content and the dendritic MgzSi become more finer and dispersive. When the Sb content is 1.0wt%, the primary Mg2Si disappeared completely, and the tensile strength reaches the maximum. |
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| Keywords: | Mg-Al-Si alloy Structure and properties Sb content |
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