TEM study of microstructural characteristic and evaluation of mechanical performance for the hastelloy N/Ti/Hastelloy N superalloy joint brazed for diverse soaking time

doi:10.1016/j.jmapro.2018.07.022

CORC > 金属研究所 > 中国科学院金属研究所

	TEM study of microstructural characteristic and evaluation of mechanical performance for the hastelloy N/Ti/Hastelloy N superalloy joint brazed for diverse soaking time
	He, YM ; Zheng, WJ ; Yang, JG ; Zhu, DD ; Yang, XS ; Sun, Y 3; Gao, ZL
刊名	JOURNAL OF MANUFACTURING PROCESSES
	2018-10-01
卷号	35 页码:271-281
关键词	Hastelloy N alloy Brazing Titanium Electron microscopy Mechanical property
ISSN号	1526-6125
DOI	10.1016/j.jmapro.2018.07.022
英文摘要	The purpose of this work was to describe and discuss the fundamental issues involved in brazing of Hastelloy N to Hastelloy N superalloy using pure Ti foil at 1333 K for different soaking time (1 similar to 90 min). A detailed electron microscopy examination (transmission electron microscopy and high-resolution transmission electron microscopy) was performed to study the microstructure of the joint. The mechanical performance of the joint was evaluated by a shear test. Results show that the brazed joint obtained could be described as Hastelloy N/Zone 1/ Zone 2/Zone 1/Hastelloy N. The Zone 1 whose constitution was hardly affected through modifying the soaking time was produced because of the eutectic melting of Cr(9)Mo(21)Ni(20)( )and Ni3Ti intermetallics. The constitution of Zone 2, however, was very sensitive to the joining condition. Among the soaking time under investigation, the highest joint average shear strength obtained was 350.4 MPa. The strength of the joint, as revealed, was closely related with the microstructure in the Zone 2. When the Hastelloy N superalloy was brazed for different soaking time, the microstructural evolution in the joint was clarified and its relationship with mechanical performance was built. The work will contribute to understand the brazeability of the Hastelloy series alloys and then broaden their applications.
学科主题	Engineering, Manufacturing
语种	英语
WOS记录号	WOS:000448225000027
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/79912]
专题	金属研究所_中国科学院金属研究所
作者单位	1.Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310014, Zhejiang, Peoples R China 2.Quzhou Univ, Sch Mech Engn, Quzhou 324000, Peoples R China 3.Northwestern Univ, Dept Mat Sci & Engn, 2220 Campus Dr, Evanston, IL 60208 USA 4.Chinese Acad Sci, Dept Superalloy, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	He, YM,Zheng, WJ,Yang, JG,et al. TEM study of microstructural characteristic and evaluation of mechanical performance for the hastelloy N/Ti/Hastelloy N superalloy joint brazed for diverse soaking time[J]. JOURNAL OF MANUFACTURING PROCESSES,2018,35:271-281.
APA	He, YM.,Zheng, WJ.,Yang, JG.,Zhu, DD.,Yang, XS.,...&Gao, ZL.(2018).TEM study of microstructural characteristic and evaluation of mechanical performance for the hastelloy N/Ti/Hastelloy N superalloy joint brazed for diverse soaking time.JOURNAL OF MANUFACTURING PROCESSES,35,271-281.
MLA	He, YM,et al."TEM study of microstructural characteristic and evaluation of mechanical performance for the hastelloy N/Ti/Hastelloy N superalloy joint brazed for diverse soaking time".JOURNAL OF MANUFACTURING PROCESSES 35(2018):271-281.