欢迎登录材料期刊网

材料期刊网

高级检索

通过铜模喷铸的方法制备得到快速凝固态AZ61镁合金,并通过X射线衍射(XRD)分析、扫描电子显微镜(SEM)观察对铸态及快速凝固态AZ61镁合金的组织结构及相的组成进行表征.研究发现快速凝固态AZ61镁合金的组织均匀细小,且样品中弥散分布着颗粒状的Mg17Al12相,除此之外,该合金的α-Mg中还固溶了大量的Al、Zn元素.通过压缩实验发现快速凝固态AZ61镁合金具有极高的强度,其压缩断裂强度达到440 MPa,远高于铸态AZ61镁合金.同时还测试各个样品在3.5%NaCl中性溶液中TAFEL曲线并结合腐蚀表面SEM图研究样品的腐蚀性能.

参考文献

[1] 罗爱华.镁在汽车工业上的应用[A].中国上海,2001:64-76.
[2] T.S. Srivatsan;Satish Vasudevan;M. Petraroli .The tensile deformation and fracture behavior of a magnesium alloy[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):154-159.
[3] Froes F H;Kim Y W;Krishnamurthy S .Rapid solidification of lightweight metal alloys[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1989,117:19-32.
[4] Kim S H;Kim D H;Kim N J .Structure and properties of rapidly solidified Mg2Al2Zn2Nd alloys[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1997,226/228:1030-1034.
[5] Li Y;Jones H.Structure and mechanical properties of rapidly solidified magnesium based Mg2Al2Zn2 RE alloys consolidated by extrusion[J].Materials Science and Technology,1996(12):981-989.
[6] 刘正,范立坤,林立,姜文辉.镁基快速凝固合金的研究与开发[J].汽车工艺与材料,2003(06):20-24.
[7] 徐锦锋,翟秋亚,袁森.AZ91D镁合金的快速凝固特征[J].中国有色金属学报,2004(06):939-944.
[8] 黄正华,郭学锋,张忠明.快速凝固AZ91D镁合金组织的研究[J].材料热处理学报,2005(01):32-35.
[9] ZHAO Hong-liang;GUAN Shao-kang .Microstructure and properties of AZ31 magnesium alloy with rapid solidification[J].Transactions of Nonferrous Metals Society of China,2005(1):144-148.
[10] Haitao Teng;Xiaoli Zhang;Zhongtao Zhang .Research on microstructures of sub-rapidly solidified AZ61 Magnesium Alloy[J].Materials Characterization,2009(6):482-486.
[11] D. Y. Maeng;T. S. Kim;J. H. Lee;S. J. Hong;S. K. Seo;B. S. Chun .Microstructure and strength of rapidly solidified and extruded Mg-Zn alloys[J].Scripta materialia,2000(5):385-389.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%