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SOLIDIFIED MICROSTRUCTURES AND PHASES OF HIGH SPEED STEELS CONTA1NING DIFFERENT V AND C CONTENT |
ZHOU Hong; WANG Jinguo; JIA Shusheng (Jilin University of Technology; Chanerhun 130025) OGIKeisaku(Kyushu Universily; Japan) (Manuscript received 1996-03-22; in revised form 1997-04- 13) |
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Cite this article:
ZHOU Hong; WANG Jinguo; JIA Shusheng (Jilin University of Technology; Chanerhun 130025) OGIKeisaku(Kyushu Universily; Japan) (Manuscript received 1996-03-22; in revised form 1997-04- 13). SOLIDIFIED MICROSTRUCTURES AND PHASES OF HIGH SPEED STEELS CONTA1NING DIFFERENT V AND C CONTENT. Acta Metall Sin, 1997, 33(8): 838-843.
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Abstract Using thermal analysis, X-ray diffraction and color etching, the effects of Vand C content in Fe-5Cr-5Mo-5W-V-C alloy on crystallized phases and temperatures were investigated. A relationship between composition and solidified microstructure was obtained. The phase diagrams of pseudo-binary (Fe-5Cr-5Mo-5W-2C)-V and (Fe-5Cr-5Mo- 5W-3V)-C alloy systems and a proiccted diagram of liguid phase boundaries of (Fe-5Cr-5Mo-5W)-V-C alloy system were drawn. The results show that in order to obtain a large amount of dispersed and isolated eutectic VC, a high content of V is required for a low carbon content, and a low content of V is required when the C content is high.
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Received: 18 August 1997
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1片岗义弘,天野宏一,全成昌平.CAMP-ISIJ,1993;6:505 2汤田浩二,宫并直道,新中博昌. CAMP-ISIJ, 1993; 6: 511 3本章,大城桂作,松田公抉.铸物,1982;54: 726 4本章,大城挂作,松田公抉.日本金属学会志1985;49: 475 5 Fiechmeister H F, Riedi R. Karagoz S. Melall Trans, 1989; 20A: 2135s |
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