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	Solid diffusion bonding of Ti-22Al-25Nb O phase alloy
	Zou Gui-sheng ; Bai Hai-lin ; Xie Er-hu ; Wu Shu-jia ; Wu Ai-ping ; Wang Qing ; Ren Jia-lie
	2010-05-10 ; 2010-05-10
关键词	Experimental/ aluminium alloys chemical interdiffusion diffusion bonding fracture niobium alloys tensile strength thermomechanical treatment titanium alloys/ solid diffusion bonding Ti-22Al-25Nb O phase alloy thermal-mechanical simulator Gleeble 1500D bonding interface interfacial matrix phase coarsening tensile strength bonding temperature joint tensile fracture temperature 293 K to 298 K temperature 650 degC temperature 1020 degC pressure 7 MPa time 30 min TiAlNb/ A6822 Surface diffusion, segregation and interfacial compound formation A8140G Other heat and thermomechanical treatments A6825 Mechanical and acoustical properties of solid surfaces and interfaces A6220M Fatigue, brittleness, fracture, and cracks A8140N Fatigue, embrittlement, and fracture/ temperature 2.93E+02 to 2.98E+02 K temperature 9.2315E+02 K temperature 1.29315E+03 K pressure 7.0E+06 Pa time 1.8E+03 s/ TiAlNb/int Al/int Nb/int Ti/int TiAlNb/ss Al/ss Nb/ss Ti/ss
中文摘要	The solid diffusion bonding of Ti-22Al-25Nb O phase alloy was performed with a thermal-mechanical simulator Gleeble 1500D. The results show that a tight bonding interface is formed under conditions of the bonding temperature higher than 970 degrees C, bonding pressure higher than 7 MPa and holding time longer than 30 min. When the bonding temperature is higher than 1 000 degrees C, the interfacial matrix phase El is coarsened and increased, while the amount of O phase is decreased. The tensile strengths at room temperature and 650 degrees C of the joints under conditions of bonding temperature 1 020 degrees C, bonding pressure 7 MPa and bonding time 30 min reach up 925 and 654 MPa, respectively. The tensile fracture of joints mostly occurs at the bonding interfaces when the bonding temperature is lower than 1 000 degrees C, while the tensile fracture of joints mostly occur in base materials near the bonding interfaces when the bonding temperature is higher than 1 000 degrees C.
语种	中文 ; 中文
出版者	Central South University of Technology ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/24053]
专题	清华大学
推荐引用方式 GB/T 7714	Zou Gui-sheng,Bai Hai-lin,Xie Er-hu,et al. Solid diffusion bonding of Ti-22Al-25Nb O phase alloy[J],2010, 2010.
APA	Zou Gui-sheng.,Bai Hai-lin.,Xie Er-hu.,Wu Shu-jia.,Wu Ai-ping.,...&Ren Jia-lie.(2010).Solid diffusion bonding of Ti-22Al-25Nb O phase alloy..
MLA	Zou Gui-sheng,et al."Solid diffusion bonding of Ti-22Al-25Nb O phase alloy".(2010).

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