INFLUENCE OF Al ON DUCTILITY IMPROVEMENT BY B IN Ni_3Al ALLOYS

Abstract

Abstract: The “order-disorder” model was adopted to calculate the lattice vacancies related to the com- position change in Ni_3Al alloys.A great deal of vacancies,i.e.,the non-stoichiometric vacan- cies,may exist in the Ni_3Al alloys containing Al over stoichiometry,i.e.25 at.-%.This was confirmed by the positron annihilation technique.Therefore,the influence of Al content on the enhancing behaviour of B towards the ductility of Ni_3Al alloys can be understood by the interaction of non-stoiehiometric vacancies and B atoms.

Key words: Intermetallic compounds, Ni_3Al, Ductility mechanism

YANG Wenying LU Fanxiu ZHANG Shouhua University of Science and Technology Beijing,Beijing,China Department of Materials Science and Engineering,University of Science and Technology Beijing,Beijing,100083,China. INFLUENCE OF Al ON DUCTILITY IMPROVEMENT BY B IN Ni_3Al ALLOYS[J]. Acta Metallurgica Sinica (English Letters), 1991, 4(2): 147-150.

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[6]	D.G. Ren and X.S. Fan (Laboratory of Atomic Imaging of Solids, Institute of Metal Research, The Chinese Academy of Sciences,Shenyang 110015, China). THE EXPERIMENTAL STUDIES OF NiO CLUSTER FORMATION IN Ni_3Al ALLOYS BY AP-FIM [J]. Acta Metallurgica Sinica (English Letters), 2000, 13(6): 1159-1164.
[7]	B. N. Qian; J. L. Li; J. T. Guo and B. Z. Wei (1)Institute of Metal Research, The Chinese Academy of Sciences, Shenyang 110015, China 2)Shanghai University, Shanghai 200072, China). HAZ CRACKING AND HOT DUCTILITY OF Ni_3AI CONTAINING Zr ALLOY [J]. Acta Metallurgica Sinica (English Letters), 2000, 13(1): 94-97.
[8]	W. P. Liu; F. X. Zhai and C. H. Ding (Dept. of Materials Science and Engineering, Dalian Railway Institute, Dalian 116028, China). JOINING OF Ni_3Al BY PRESSURIZED COMBUSTION SYNTHESIS USING GLEEBLE 1500 TEST SIMULATOR [J]. Acta Metallurgica Sinica (English Letters), 2000, 13(1): 217-222.
[9]	C.B. Xiao; Y.F. Had and X.A. Zhang (Cast Superalloys Lab., Beijing Institute of Aeronautical Materials (BIAM), Beijing 100095, China). EFFECT OF SILICON ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF YTTRIUM MODIFIED Ni_3Al BASE ALLOY IC6 [J]. Acta Metallurgica Sinica (English Letters), 1998, 11(6): 437-441.
[10]	C.B. Xiao and Y.F.Han(Beijing Institute of Aeronautical Materials (BIAM), Beijing 100095, China). IMPROVEMENT OF OXIDATION RESISTANCE AND MECHANICAL PROPERTIES BY THE ADDITION OF YTTRIUM AND SILICON IN A Ni_3Al BASE ALLOY IC6 [J]. Acta Metallurgica Sinica (English Letters), 1998, 11(4): 296-300.
[11]	Z.X. Yuan;S.H. Song;T.H. X.i;X.J. Zhangand Z.S. Yu(Department of Material, Wuhan Ye in University of Science and Technology, Wuhan 430081, China)(Department of Materials Physics, University of Science and Technology Beijing, Beijing 100083, China). CERIUM-INDUCED GRAIN BOUNDARY STRENGTHENING OF Ni_3Al ALLOYS [J]. Acta Metallurgica Sinica (English Letters), 1997, 10(4): 349-357.
[12]	YX. Chen; X.J. Wan and W.X. Xu (Institute of Materials Sciences, Shanghai University, Shanghai 200072, China)(Shanghai Iron and Steel Research Institute, Shanghai 200940, China). SURFACE REACTION OF Ni_3Al WITH WATER VAPOR OR OXYGEN [J]. Acta Metallurgica Sinica (English Letters), 1997, 10(4): 363-368.
[13]	T.H Xi; Z.X. Yuan and Z.S. Yu (Research Institute of Wuhan Iron & Steel (Group) Company, Wuhan 430080, China)(Department of Materials, Wuhan Yejin University of Science and Technology, Wuhan 430081, China)(Department of Materials Physics, Beijing University of Science and Technology, Beijing 100083, China). EFFECT OF Ce ON OXIDATION BEHAVIOUR OF Ni_3Al ALLOYS [J]. Acta Metallurgica Sinica (English Letters), 1997, 10(1): 74-78.
[14]	J.T.Guo; S.H. Wang;H. Li; W.H. Lai and M.H.Tan(Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110015, China Manuscript received 26 August 1996). OXIDATION BEHAVIOR OF Ni_3Al AND NiAl ALLOYS CONTAINING Fe ADDITIONS [J]. Acta Metallurgica Sinica (English Letters), 1996, 9(6): 641-645.
[15]	Z.P. Xing; Y.F. Han; Y.L. Ji and M.G. Yan(Beijing Institute of Aeronautical Materials, Beijing 100095, China Manuscript received 26 August 1996). DIFFUSION PHENOMENA AND MICROSTRUCTURE STABILITY OF Ni-Cr-Al-Y-Si COATING ON THE Ni_3Al BASED ALLOY SUBSTRATE [J]. Acta Metallurgica Sinica (English Letters), 1996, 9(6): 635-639.

INFLUENCE OF Al ON DUCTILITY IMPROVEMENT BY B IN Ni_3Al ALLOYS

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