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材料工程  2015 

非晶增强铝基复合材料的微观结构及腐蚀性能

DOI: 10.11868/j.issn.1001-4381.2015.03.012, PP. 67-71

Keywords: 搅拌摩擦加工,金属基复合材料,微观组织,腐蚀,电子衍射

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Abstract:

利用扫描电镜(SEM)、透射电镜(TEM)及电化学腐蚀等测试手段对搅拌摩擦加工制备获得的新型非晶增强铝基复合材料的微观组织结构及腐蚀性能进行实验研究。实验结果表明,新型非晶增强铝基复合材料呈现典型的层状结构,且组织呈现一定的纳米级的超细晶结构,主要由α-Al及α-Al非晶结构组成的并伴有Al-Cu-Mg系析出相存在,与母材相比抗拉强度得到了较大的提高,而添加非晶形成的复合材料的电化学腐蚀性能相比未添加非晶基体材料加工后的腐蚀性能有所提高,但两种加工条件下材料的抗腐蚀性能均低于母材。

References

[1]  INOUE A. Stabilization of metallic super-cooled liquid and bulk amorphous alloys[J]. Acta Materialia, 2000, 48 (1): 279-306.
[2]  TAKIGAWA Y, KOBATA J, CHUNG S W, et al. Microstructural change by friction stir processing in Zr-Al-Cu-Ni bulk metallic glass[J]. Materials Transactions, 2007, 48 (7): 1580-1583.
[3]  KOBATA J, TAKIGAWA Y, HUNG S W, et al. Effects of size and volume fraction of precipitated crystalline phase induced by friction stir processing on hardness in Zr-Al-Ni-Cu bulk metallic glass[J]. Materials Transactions, 2007, 48 (9): 2409-2413.
[4]  刘鹏, 史清宇, 边秀房, 等. 新型非晶增强铝基复合材料的制备及组织性能[J]. 焊接学报, 2009, 30(10): 13-16. LIU Peng, SHI Qing-yu, BIAN Xiu-fang, et al. Microstructure of a novel Al-based amorphous reinforced aluminum metal matrix composite[J]. Transations of the China Welding Institution, 2009, 30 (10): 13-16.
[5]  RHODES C G, MAHONEY M W, BINGEL W H, et al. Effects of friction stir welding on microstructure of 7075 aluminum[J]. Scripta Materialia, 1997, 36(1): 69-75.
[6]  SU J Q, NELSON T W, STERLING C J. A new route to bulk nanocrystalline materials[J]. Journal of Materials Research, 2003, 18 (8): 1757-1760.
[7]  JIANG X P, WANG X Y, LI J X, et al. Enhancement of fatigue and corrosion properties of pure Ti by sandblasting[J]. Materials Science and Engineering A, 2006, 429 (1-2): 30-35.
[8]  李文龙, 夏春, 邢丽, 等. 搅拌针形状对搅拌摩擦加工制备CNTs/铝基复合材料均匀性的影响[J].材料工程, 2014, (1): 75-78.LI Wen-long, XIA Chun, XING Li, et al. Influence of pin shape on homogeneity of CNTs distribution in CNTs/Al composite fabricated by friction stir processing[J]. Journal of Materials Engineering, 2014, (1):75-78.
[9]  MISHRA R S, MA Z Y, CHARIT I. Friction stir processing: a novel technique for fabrication of surface composite[J]. Materials Science and Engineering A, 2003, 341 (1-2): 307-310.
[10]  骆蕾, 沈以赴, 李博, 等. 搅拌摩擦焊搭接法制备TC4钛合金表面Al涂层及其高温氧化行为[J]. 金属学报, 2013, 49 (8): 996-1002.LUO Lei, SHEN Yi-fu, LI Bo, et al. Preparation and oxidation behaviour of aluminized coating on TC4 titanium alloy via friction stir lap welding method[J]. Acta Metallurgica Sinica, 2013, 49 (8): 996-1002.
[11]  EI-DANAF E A, EI-RAYES M M, SOlIMAN M S. Friction stir processing: An effective technique to refine grain structure and enhance ductility[J]. Materials and Design, 2010, 31 (3): 1231-1236.
[12]  CAVALIERE P. Mechanical properties of friction stir processed 2618/Al2O3/20p metal matrix composite[J]. Composites Part A, 2005, 36 (12): 1657-1665.
[13]  MORISADA Y, FUJII H, NAGAOKA T, et al. MWCNTs/AZ31 surface composites fabricated by friction stir processing[J]. Materials Science and Engineering A, 2006, 419 (1-2): 344-348.

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