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MICROSTRUCTURE OF REGENERATED HIGH DENSITY TUNGSTEN ALLOYS MADE BY OXIDATION-REDUCTION |
NIE Changshen;WU Lin;WANG Deyun Nei Monggol Institute of Metallic Materials; Baotou BeiFang Tools Manufactory Mudanjiang; Heilongjiang |
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Cite this article:
NIE Changshen;WU Lin;WANG Deyun Nei Monggol Institute of Metallic Materials; Baotou BeiFang Tools Manufactory Mudanjiang; Heilongjiang. MICROSTRUCTURE OF REGENERATED HIGH DENSITY TUNGSTEN ALLOYS MADE BY OXIDATION-REDUCTION. Acta Metall Sin, 1989, 25(1): 128-134.
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Abstract The mechanical properties of regenerated W-alloys relating to thechemical purity and size of reclamation powders of 93W-Ni-Fe-Co (Mn) alloychips, the structure of main constituents of the powders, as well as microstructureand fractograph of regenerated W-alloys made by the reclamation powders, compo-sition of W particle and binder phase, content, structure and distribution of mainimpurity elements have been studied by means of optical microscope, SEM, XRES,XRD, TEM, AES and chemical analysis. The feasibility of oxidation-reductionprocess for reclamation and the possibility of practical application of regeneratedW-alloys have been discussed.
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Received: 18 January 1989
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1 Chaiat D, Gero R, Nadiv S. Int J Refract Hard Met, 1985; 4 (1) : 40 2 黄建忠,李晋尧.周保辉.稀有金属材料与工程,1985;(6) :1 3 Aksay I A, Hoge C E, Pask J A. J Phys Chem, 1974; 78: 1178 4 German R M. In: Bildstein H, Ortner H M eds., The Proc of 11th Int Plansee-Seminar, Insbruck, Austria: Verlagsaustalt Tyrolia, 1985: 143 5 周世铎,惠军.见:第四届难熔金属论文集编辑组编,难熔金属文集,宝鸡有色金属研究所,1983:56 |
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