Anisotropy of Stress Rupture Property of Ni Base Single Crystal Superalloy DD432

doi:10.11900/0412.1961.2022.00108

IMR OpenIR

	Anisotropy of Stress Rupture Property of Ni Base Single Crystal Superalloy DD432
	Zhang Zixuan 1,2; Yu Jinjiang 1; Liu Jinlai 1
通讯作者	Yu Jinjiang(jjyu@imr.ac.cn)
	2023-12-11
发表期刊	ACTA METALLURGICA SINICA
ISSN	0412-1961
卷号	59 期号:12 页码:1559-1567
摘要	Ni base superalloys have been extensively used in advanced aeroengine. With the development of modern aviation industry, high demands are being placed on the comprehensive performance of Ni base superalloys at high temperatures. To meet this demand, numerous refractory alloy elements are added to Ni base superalloys. However, in this way, the temperature bearing capacity of the alloy is enhanced, while the microstructure stability is reduced. Therefore, some scholars proposed to develop single crystal blades with various orientations through the anisotropy of a single crystal alloy. The stress rupture anisotropies of a Ni base single crystal superalloy DD432 under 760 degrees C, 810 MPa and 1000 degrees C, 280 MPa have been investigated in this study. The stress rupture properties of Ni base single crystal superalloy DD432 that deviated from <001>, <011>, and <111> with certain degrees were measured. It is discovered that rafting does not occur in specimens with three orientations, and the stress rupture life anisotropy of specimens is visible at 760 degrees C and 810 MPa. Furthermore, the stress rupture life of specimens with <111> orientation is the best, and as the orientation deviation degree increases, the stress rupture life gradually decreases. The stress rupture property of specimens with <001> orientation is lower than that of specimens with <111> orientation, and the stress rupture life increases with increasing orientation deviation degree. The creep resistance of specimens with <011> orientation is the lowest, and the stress rupture property is also enhanced as the orientation deviation degree increases. Rafting occurred in all the specimens with three orientations under the conditions of 1000 degrees C and 280 MPa, and the stress rupture property anisotropy of specimens decreased, but still existed. The stress rupture property of specimens with <111> orientation was slightly better than that of specimens with <001> orientation, and the stress rupture property of specimens with <011> orientation was still the worst, although it improved. A difference still exists in the stress rupture life as the degree of orientation deviation changes. However, there is no visible linear tendency.
关键词	Ni base single crystal superalloy stress rupture property anisotropy
资助者	National Natural Science Foundation of China
DOI	10.11900/0412.1961.2022.00108
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51971214]
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001153597600002
出版者	SCIENCE PRESS
引用统计	被引频次：1[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/321006/184310
专题	中国科学院金属研究所
通讯作者	Yu Jinjiang
作者单位	1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang Zixuan,Yu Jinjiang,Liu Jinlai. Anisotropy of Stress Rupture Property of Ni Base Single Crystal Superalloy DD432[J]. ACTA METALLURGICA SINICA,2023,59(12):1559-1567.
APA	Zhang Zixuan,Yu Jinjiang,&Liu Jinlai.(2023).Anisotropy of Stress Rupture Property of Ni Base Single Crystal Superalloy DD432.ACTA METALLURGICA SINICA,59(12),1559-1567.
MLA	Zhang Zixuan,et al."Anisotropy of Stress Rupture Property of Ni Base Single Crystal Superalloy DD432".ACTA METALLURGICA SINICA 59.12(2023):1559-1567.