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	The TLP Diffusion Bonding of Ti2AlNb-Based Alloy Ti-22Al-25Nb
	Zou Guisheng ; Bai Hailin ; Xie Erhu ; Wu Aiping ; Wang Qing ; Ren Jialie
	2010-10-12 ; 2010-10-12
关键词	Ti2AlNb-based alloy TLP diffusion bonding microstructures Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering
中文摘要	Ti2AlNb-based alloy Ti-22Al-25Nb was joined with the transient liquid phase (TLP) diffusion bonding using the Ti-15Cu-15Ni film as interlayer on a thermal-mechanical simulator Gleeble 1500D. The effects of bonding parameters on the joint features such as microstructures, element distribution, tensile strength and fracture characteristics have been investigated. The formation of a joint consists of five steps, and Nb is the mainly controlling diffusion element to the formation of composition-homogenous bonding zone. A suitably long holding time and high bonding temperature are beneficial to the formation of joints with homogeneous compositions and high strength. The bonding zone of joint with a rapid cooling technology after dwelling at bonding temperature is composed of pure B2 phase. A slow cooling technology is beneficial to promoting the phase transformation of the high-temperature phase 6 and thus modifying the microstructures of the joints, and the bonding zone is composed of matrix B2 and a small amount of alpha 2 and O. The tensile strengths at room temperature and 650 V of the joint that was performed under the conditions of bonding temperature 990 degrees C for 90 min with a slow cooling technology, reached up to 1041 MPa and 659 MPa, which are equal to that of 95 % and 81 % of base material themselves, respectively, obviously higher than the strengths of joints with a rapid cooling technology.
语种	中文 ; 中文
出版者	NORTHWEST INST NONFERROUS METAL RESEARCH ; SHAANXI ; C/O RARE METAL MATERIAL ENGINEERING PRESS, PO BOX 51, XIAN, SHAANXI 710016, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80609]
专题	清华大学
推荐引用方式 GB/T 7714	Zou Guisheng,Bai Hailin,Xie Erhu,et al. The TLP Diffusion Bonding of Ti2AlNb-Based Alloy Ti-22Al-25Nb[J],2010, 2010.
APA	Zou Guisheng,Bai Hailin,Xie Erhu,Wu Aiping,Wang Qing,&Ren Jialie.(2010).The TLP Diffusion Bonding of Ti2AlNb-Based Alloy Ti-22Al-25Nb..
MLA	Zou Guisheng,et al."The TLP Diffusion Bonding of Ti2AlNb-Based Alloy Ti-22Al-25Nb".(2010).

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