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Effect of Heat Treatment on Microstructure and Mechanical Properties of A380 Aluminum Alloy Deposited by Cold Spray
Qiu, Xiang; Wang, Ji-qiang; Tariq, Naeem ul Haq; Gyansah, Lawrence; Zhang, Jing-xuan; Xiong, Tian-ying; Wang, JQ; Xiong, TY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-12-01
Source PublicationSPRINGER
ISSN1059-9630
Volume26Issue:8Pages:1898-1907
AbstractThe microstructure and mechanical properties of cold-sprayed bulk A380 alloy were investigated after heat treatment at various conditions, using optical and electron microscopy and tensile and hardness tests, respectively. The results revealed that heat treatment increased the strength and ductility of the cold-sprayed A380 alloy deposits compared with as-sprayed state. Heat treatment showed two different effects on the mechanical properties of the deposits. On the one hand, it resulted in effective diffusion at interparticle boundaries that altered the particle bonding mechanism from pure mechanical interlocking to metallurgical bonding. Thus, the strength and ductility of the material were greatly enhanced. On the other hand, interparticle diffusion during high-temperature heat treatment resulted in growth of the Si phase and pores, which ultimately reduced the strength and elongation of the alloy. This observation was consistent with the hardness results, which showed a decreasing trend with increase of the heat treatment temperature.; The microstructure and mechanical properties of cold-sprayed bulk A380 alloy were investigated after heat treatment at various conditions, using optical and electron microscopy and tensile and hardness tests, respectively. The results revealed that heat treatment increased the strength and ductility of the cold-sprayed A380 alloy deposits compared with as-sprayed state. Heat treatment showed two different effects on the mechanical properties of the deposits. On the one hand, it resulted in effective diffusion at interparticle boundaries that altered the particle bonding mechanism from pure mechanical interlocking to metallurgical bonding. Thus, the strength and ductility of the material were greatly enhanced. On the other hand, interparticle diffusion during high-temperature heat treatment resulted in growth of the Si phase and pores, which ultimately reduced the strength and elongation of the alloy. This observation was consistent with the hardness results, which showed a decreasing trend with increase of the heat treatment temperature.
description.department[qiu, xiang ; wang, ji-qiang ; tariq, naeem ul haq ; gyansah, lawrence ; xiong, tian-ying] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [qiu, xiang] univ sci & technol china, sch mat sci & engn, shenyang 110016, liaoning, peoples r china ; [tariq, naeem ul haq ; gyansah, lawrence] univ chinese acad sci, 19 a yuquan rd, beijing 100049, peoples r china ; [tariq, naeem ul haq] pakistan inst engn & appl sci, dept met & mat engn, islamabad, pakistan ; [zhang, jing-xuan] tianjin univ, qiushi honors coll, tianjin 300350, peoples r china
KeywordCold Spray Heat Treatment Mechanical Properties Microstructure
Subject AreaMaterials Science, Coatings & Films
Funding OrganizationNational Natural Science Foundation of China [51671205]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78950
Collection中国科学院金属研究所
Corresponding AuthorWang, JQ; Xiong, TY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Qiu, Xiang,Wang, Ji-qiang,Tariq, Naeem ul Haq,et al. Effect of Heat Treatment on Microstructure and Mechanical Properties of A380 Aluminum Alloy Deposited by Cold Spray[J]. SPRINGER,2017,26(8):1898-1907.
APA Qiu, Xiang.,Wang, Ji-qiang.,Tariq, Naeem ul Haq.,Gyansah, Lawrence.,Zhang, Jing-xuan.,...&Xiong, TY .(2017).Effect of Heat Treatment on Microstructure and Mechanical Properties of A380 Aluminum Alloy Deposited by Cold Spray.SPRINGER,26(8),1898-1907.
MLA Qiu, Xiang,et al."Effect of Heat Treatment on Microstructure and Mechanical Properties of A380 Aluminum Alloy Deposited by Cold Spray".SPRINGER 26.8(2017):1898-1907.
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