Microstructure and mechanical properties of Ni3Al fabricated by thermal explosion and hot extrusion

doi:10.1016/j.intermet.2009.01.004

IMR OpenIR

	Microstructure and mechanical properties of Ni3Al fabricated by thermal explosion and hot extrusion
	Sheng, L. Y.1; Zhang, W.1; Guo, J. T.1; Wang, Z. S.1; Ovcharenko, V. E.2; Zhou, L. Z.1; Ye, H. Q.1
通讯作者	Guo, J. T.(jtguo@imr.ac.cn)
	2009-07-01
发表期刊	INTERMETALLICS
ISSN	0966-9795
卷号	17 期号:7 页码:572-577
摘要	The dense Ni3Al with different boron and chromium addition was fabricated by the thermal explosion and hot extrusion (TE/HE) technology. Microstructure examination showed that Ni3Al contained fine grain structure (200 nm to 10 mu m). Analysis of X-ray spectra as well as transmission electron microscopy studies revealed that three phases present in all alloys: gamma-Ni, Ni3Al and dispersoids of Al2O3. With the addition of B, beta-NiAl phase and twinned Ni3Al formed, but in the B and Cr doped alloy, Cr rich phase and a spot of Cr7Ni3 particles with stacking faults inside were observed. In addition, dislocations with high density existed in all alloys. The mechanical test showed that the B and Cr addition resulted in significant improvement in mechanical properties, and TE/HE synthesized Ni3Al alloy owned more excellent mechanical properties, compared with the one synthesized by combustion. (C) 2009 Elsevier Ltd. All rights reserved.
关键词	Nickel aluminides, based on Ni3Al Mechanical properties at ambient temperature Reaction synthesis Microstructure
DOI	10.1016/j.intermet.2009.01.004
收录类别	SCI
语种	英语
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000265808200015
出版者	ELSEVIER SCI LTD
引用统计	被引频次：70[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/321006/98878
专题	中国科学院金属研究所
通讯作者	Guo, J. T.
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Russian Acad Sci, Inst Strength Phys & Mat Sci, Siberian Branch, Tomsk, Russia
推荐引用方式 GB/T 7714	Sheng, L. Y.,Zhang, W.,Guo, J. T.,et al. Microstructure and mechanical properties of Ni3Al fabricated by thermal explosion and hot extrusion[J]. INTERMETALLICS,2009,17(7):572-577.
APA	Sheng, L. Y..,Zhang, W..,Guo, J. T..,Wang, Z. S..,Ovcharenko, V. E..,...&Ye, H. Q..(2009).Microstructure and mechanical properties of Ni3Al fabricated by thermal explosion and hot extrusion.INTERMETALLICS,17(7),572-577.
MLA	Sheng, L. Y.,et al."Microstructure and mechanical properties of Ni3Al fabricated by thermal explosion and hot extrusion".INTERMETALLICS 17.7(2009):572-577.