Microstructure of Copper Particle Deposited on Aluminum by Cold Spray
Ma Guanglu1,2; Kong Lingyan1; Li Tiefan1; Cinca, Nuria2; Guilemany, Josep M.2; Xiong Tianying1
Corresponding AuthorMa Guanglu(
AbstractThe aim of the paper is to explore the deformation mechanism of particles in cold spray. Focused ion beam/scanning electronic microscopy (FIB/SEM) system was employed to prepare a TEM specimen of a whole copper particle on aluminum substrate on wipe test. Through analyzing the microstructure of the TEM sample, the result indicates that the inhomogeneous deformation of Cu particles is due to the inhomogeneity of stress field and temperature. During the impact, the kinetic energy of particles transforms to deformation energy and heat, which breaks the alumina layer and increases the temperature quickly. Because of high temperature and strain rate, re-crystallization happens in Cu near the interface and intermetallic compound Cu9Al4 is obtained on the interface. The farther the grains are from the interface, the less the influence on them. Heat or stress field have little effect on the grains far away from the interface, especially on the top of particle.
KeywordFIB TEM Cu-Al deposition behavior of cold spray
Indexed BySCI
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000431601500025
Citation statistics
Document Type期刊论文
Corresponding AuthorMa Guanglu
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Barcelona, Thermal Spray Ctr CPT, E-08028 Barcelona, Spain
Recommended Citation
GB/T 7714
Ma Guanglu,Kong Lingyan,Li Tiefan,et al. Microstructure of Copper Particle Deposited on Aluminum by Cold Spray[J]. RARE METAL MATERIALS AND ENGINEERING,2018,47(4):1166-1173.
APA Ma Guanglu,Kong Lingyan,Li Tiefan,Cinca, Nuria,Guilemany, Josep M.,&Xiong Tianying.(2018).Microstructure of Copper Particle Deposited on Aluminum by Cold Spray.RARE METAL MATERIALS AND ENGINEERING,47(4),1166-1173.
MLA Ma Guanglu,et al."Microstructure of Copper Particle Deposited on Aluminum by Cold Spray".RARE METAL MATERIALS AND ENGINEERING 47.4(2018):1166-1173.
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