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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 4    December 1995

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A NOVEL MULTI-LAYER SPRAY DEPOSITION TECHNOLOGY
Chen Zhenhua; Huang Peiyun; Jiang Xiangyang; Wang Yun; Peng Chaoqun

Research institute of Non-Equilibrium Materials Science and Engineering; Central South University of Technofogy; Changsha 410083

Abstract:A novel spray deposition technology with the characteristics of multi-layer deposition,the combination of forced external cooling and internal water-cooling of the substrate was developed.Compared with the conventional spray deposition technology,the novel technology exhibits the specific advantages,including larger solidification rate,higher dimensional precision,and ease to manufacture large preforms.The law of multi-layer deposition was studied,and a high-temperature Al-Fe-V-Si alloy with good mechanical properties was prepared using this novel technology.

 

Key words: multi-layer; spray deposition; Al-Fe-V-Si alloy

ISSN 1672-7029
CN 43-1423/U

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