NDLI: Effect of Single-Crystal Billet Macro- and Microstructure on Intermetallic Alloy Static and Dynamic Strength

Content Provider	Springer Nature Link
Author	Bazyleva, O. A. Arginbaeva, E. G. Golynets, S. A. Echin, A. B.
Copyright Year	2013
Abstract	Research is presented for the effect of macro- and microstructure of single-crystal billets of intermetallic alloy VKNA-25 with different crystallographic orientations <001>, <011>, and <111>, prepared by directional crystallization using a seed, on material static an dynamic strength. The effect of microstructure on short- and long-term strength at 900, 1000, 1100, 1200°C on bases of 10, 100, 500, and 1000 h, and low-cycle fatigue (LCF) resistance by a “stiff” cycle, is studied. LCF tests are performed under cyclic tension conditions with a cycle asymmetry coefficient R = 0 at 850 and 1000°C. The dependence of stress rupture strength and LCF on single-crystal billet macro- and microstructure and test temperature is established.
Starting Page	742
Ending Page	747
Page Count	6
File Format	PDF
ISSN	00260894
Journal	Metallurgist
Volume Number	57
Issue Number	7-8
e-ISSN	15738892
Language	English
Publisher	Springer US
Publisher Date	2013-11-30
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ni$_{3}$Al intermetallic VKNA-25 single-crystal billets crystallographic orientation (CGO) macrostructure microstructure long-term strength stress-rupture strength low-cycle fatigue (LCF) LCF limit Metallic Materials Materials Science Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Metals and Alloys Condensed Matter Physics

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