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Mechanical and corrosion properties of Al/Ti film on magnesium alloy AZ31B
R. C.; Jiang Zeng, K.; Li, S. Q.; Zhang, F.; Cui, H. Z.; Han, E. H.
2015
Source PublicationFrontiers of Materials Science
ISSN2095-025X
Volume9Issue:1Pages:66-76
AbstractPreparation of titanium film on magnesium substrate faces a challenge due to non-Fickian inter-diffusion between titanium and magnesium. Aluminum can build a bridge between titanium and magnesium. Al/Ti duplex coatings were deposited on magnesium alloy AZ31B using magnetron sputtering (MS). The low temperature diffusion bonding behavior of the Mg/Al/Ti coating was investigated through SEM and its affiliated EDS. The phase structure and critical load of the coatings were examined by means of XRD and scratch tests, respectively. The results demonstrated that the bonding strength was significantly improved after a post heat treatment (HT) at a temperature of 210A degrees C. The diffusion mechanism of the interfaces of Mg/Al and Al/Ti in the coating was discussed based on the analysis of formation energy of vacancies and diffusion rates. The Al/Ti dual layer enhanced the corrosion resistance of the alloy. And the HT process further increased the corrosion resistance of the coated alloy. This result implies that a post HTat a lower temperature after MS is an effective approach to enhance the bonding strength and corrosion resistance of the Al/Ti film on Mg alloys.
description.department[zeng, rong-chang ; jiang, ke ; li, shuo-qi ; zhang, fen ; cui, hong-zhi] shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china. [zeng, rong-chang ; jiang, ke ; li, shuo-qi ; zhang, fen ; cui, hong-zhi] shandong univ sci & technol, state key lab min disaster prevent & control cofo, qingdao 266590, peoples r china. [zeng, rong-chang ; jiang, ke ; li, shuo-qi ; zhang, fen ; cui, hong-zhi] shandong univ sci & technol, minist sci & technol, qingdao 266590, peoples r china. [han, en-hou] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; zeng, rc (reprint author), shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china. ; rczeng@foxmail.com
KeywordMagnesium Alloy Aluminum/titanium Coating Magnetron Sputtering (Ms) Diffusion Bonding Strength Al-mg Alloys Diffusion Aluminum Coatings Resistance Titanium Ti Substrate Behavior Multilayers
URL查看原文
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74011
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
R. C.,Jiang Zeng, K.,Li, S. Q.,et al. Mechanical and corrosion properties of Al/Ti film on magnesium alloy AZ31B[J]. Frontiers of Materials Science,2015,9(1):66-76.
APA R. C.,Jiang Zeng, K.,Li, S. Q.,Zhang, F.,Cui, H. Z.,&Han, E. H..(2015).Mechanical and corrosion properties of Al/Ti film on magnesium alloy AZ31B.Frontiers of Materials Science,9(1),66-76.
MLA R. C.,et al."Mechanical and corrosion properties of Al/Ti film on magnesium alloy AZ31B".Frontiers of Materials Science 9.1(2015):66-76.
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