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Effect of tungsten addition on the microstructure and tensile properties of in situ TiB2/Fe composite produced by vacuum induction melting, Materials and Design 2010 , 31(2): 877-883 |
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±»ÒýƵ´Î: 14 Effect of tungsten addition on the microstructure and tensile properties of in situ TiB2/Fe composite produced by vacuum induction melting ×÷Õß:Li, BH (Li, Binghong)[ 1 ] ; Liu, Y (Liu, Ying)[ 1 ] ; Li, J (Li, Jun)[ 1 ] ; Gao, SJ (Gao, Shengji)[ 1 ] ; Cao, H (Cao, Hui)[ 1 ] ; He, L (He, Lin)[ 1 ] MATERIALS & DESIGN ¾í: 31 ÆÚ: 2 Ò³: 877-883 DOI: 10.1016/j.matdes.2009.07.042 ³ö°æÄê: FEB 2010 ÎÄÏ×ÀàÐÍ:Article ²é¿´ÆÚ¿¯Ó°ÏìÁ¦ ÕªÒª In situ TiB2 particulate reinforced Fe-based composite was produced by vacuum induction melting (VIM) technique. The effect of tungsten element on the microstructure and tensile properties of the composite was investigated. The results show that the tungsten can dissolve into the TiB2 particulates and the segregation of TiB2 is reduced. Meanwhile, with the addition of 3.0 wt.% tungsten, the composite is solid strengthened and an optimal tensile property can be obtained. The yield strength (YS), ultimate tensile strength (UTS) and elongation to rupture (Er) of the composite reach as high as 360 MPa, 690 MPa and 18.5%, respectively. The fracture morphologies also indicate that the addition of 3.0 wt.% tungsten results in the increase of plastic fracture. (C) 2009 Elsevier Ltd. All rights reserved ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Metal matrix composites; Mechanical; Microstructure KeyWords Plus:METAL-MATRIX COMPOSITES; MECHANICAL-PROPERTIES; PHASE-EQUILIBRIA; BEHAVIOR; FE-TIB2; ALLOYS; SOLIDIFICATION; PARTICLES; SYSTEM ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Liu, Y (ͨѶ×÷Õß) ÏÔʾ¸ü¶à Sichuan Univ, Sch Mat Sci & Engn, Chengdu 610065, Peoples R China. µØÖ·: ÏÔʾ¸ü¶à [ 1 ] Sichuan Univ, Sch Mat Sci & Engn, Chengdu 610065, Peoples R China µç×ÓÓʼþµØÖ·:Liuying5536@163.com ³ö°æÉÌ ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND Àà±ð / ·ÖÀà Ñо¿·½Ïò:Materials Science Web of Science Àà±ð:Materials Science, Multidisciplinary ÎÄÏ×ÐÅÏ¢ ÓïÑÔ:English Èë²ØºÅ: WOS:000272119800027 ISSN: 0261-3069 ÆäËûÐÅÏ¢ IDS ºÅ: 524BW Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 27 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 13 ²é¿´½ÏÉÙÊý¾Ý×Ö¶Î |
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