Effect of heat treatment on microstructures and tensile properties of Ni-base superalloy M963

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	Effect of heat treatment on microstructures and tensile properties of Ni-base superalloy M963
	L. Z. He; Q. Zheng; X. F. Sun; H. R. Guan; Z. Q. Hu; A. K. Tieu; C. Lu; H. T. Zhu
	2005
发表期刊	Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN	0921-5093
卷号	398 期号:1-2 页码:128-136
摘要	The effect of solution treatment (ST) on tensile properties of M963 Ni-base superalloy tested at 800 degrees C has been investigated. The detailed microstructures, fracture surfaces and dislocation structures are examined through energy dispersive X-ray analysis (EDAX), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). With increasing solution treated temperature, the yield strength (YS) and ultimate tensile strength (UTS) increase, however, the elongation decreases. Microstructural observations show that the morphologies of carbide, primary gamma' and re-precipitated gamma' change significantly with increasing solution treated temperature. The main deformation mode is gamma' by-pass when solution treated temperature is lower than 1220 degrees C, and changes to gamma' shearing at 1230 degrees C. The interface of carbide with matrix is the main site of crack initiation and propagation under all testing conditions. (c) 2005 Elsevier B.V. All rights reserved.
部门归属	chinese acad sci, dept superalloys, inst met res, shenyang 110016, peoples r china. univ wollongong, sch mech mat & mechatron, wollongong, nsw 2522, australia.;he, lz (reprint author), chinese acad sci, dept superalloys, inst met res, shenyang 110016, peoples r china;cybhlz@163.net
关键词	M963 Alloy Heat Treatment Microstructures Tensile Properties Single-crystal Superalloy Mechanical-properties Temperature-dependence Strain Rate Precipitation Evolution Strength Behavior Stress 3rd-generation
URL	查看原文
WOS记录号	WOS:000229998100016
引用统计	被引频次：46[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/34868
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	L. Z. He,Q. Zheng,X. F. Sun,et al. Effect of heat treatment on microstructures and tensile properties of Ni-base superalloy M963[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2005,398(1-2):128-136.
APA	L. Z. He.,Q. Zheng.,X. F. Sun.,H. R. Guan.,Z. Q. Hu.,...&H. T. Zhu.(2005).Effect of heat treatment on microstructures and tensile properties of Ni-base superalloy M963.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,398(1-2),128-136.
MLA	L. Z. He,et al."Effect of heat treatment on microstructures and tensile properties of Ni-base superalloy M963".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 398.1-2(2005):128-136.