Acta Metall Sin  1992, Vol. 28 Issue (8): 11-16    DOI:

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MICROSTRUCTURE AND MECHANICAL PROPERTIES OF Ni_3Al-Fe BASED ALLOY

LI Hui; GUO Jianting; TAN Minghui; SUN Chao; LAI Wanhui; WANG Shuhe (Institute of Metal Research; Academia Sinica; Shenyang)

LI Hui; GUO Jianting; TAN Minghui; SUN Chao; LAI Wanhui; WANG Shuhe (Institute of Metal Research; Academia Sinica; Shenyang). MICROSTRUCTURE AND MECHANICAL PROPERTIES OF Ni_3Al-Fe BASED ALLOY. Acta Metall Sin, 1992, 28(8): 11-16.

Abstract References Related Articles Recommended Metrics Download:  PDF(1695KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The microstructure, tensile properties at 20—950℃ and creep rupture properties at 700—900℃ in a Ni_3Al-Fe based alloy after high-temperature deformation have been studied. The results show the microstructure of the alloy is composed of γ′ and β phases. The grain size and yield strength of the alloy is stable ≤600℃. And it is ductile at high-temperature. The creep in the alloy at 700—900℃ is controlled by dislocations climb, and creep activity energy is 439 kJ / mol, stress factor is 4. Key words:  Ni_3Al-Fe based alloy      microstructure      mechanical properties      creep      rupture properties      Received:  18 August 1992      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1992/V28/I8/11 1 青木清,和泉修,日本金属学会志,1979;43:1190 2 Sikka V K, Lovia E A. In: Reichmar S, Duhl D N, Maurer G, Antolovich S, Lund C eds., Superalloys, The Metall Society., 1988: 203 3 Willey L A. Metals Handbook 8th ed, Vol.8: Metallography Structurees and Phase Diagrams, 1971: 393 4 Willey L A. Metals Handbook 8th ed, Vol.8: Metallography Structurees and Phase Diagrams, 1971: 262 5 #12 6 PatricK V. In: Liu C T, Taub A I, Stoloff N S, Kock C C eds., High-Temperature Ordered Intermetallic ,Alloys Ⅲ, Vol.133, Pittsburgh PA: MRS 1989: 175 7 Flinn P A. Trans. AIME, 1960; 218: 145 8 Nicholls J R, Rawlings R D. J Mater Sci. 1977; 12: 2456 9 Cbou T C, Chou Y T. 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