Thermal stability of mechanically alloyed boride/Ti50Cu18Ni22Al4Sn6 glassy alloy composites

doi:10.1016/j.jnoncrysol.2005.05.027

IMR OpenIR

	Thermal stability of mechanically alloyed boride/Ti50Cu18Ni22Al4Sn6 glassy alloy composites
	Zhang, LC; Shen, ZQ; Xu, J
通讯作者	Xu, J(jianxu@imr.ac.en)
	2005-08-15
发表期刊	JOURNAL OF NON-CRYSTALLINE SOLIDS
ISSN	0022-3093
卷号	351 期号:27-29 页码:2277-2286
摘要	The Ti50Cu18Ni22Al4Sn6 multicomponent alloy was chosen as base alloy due to a complete glass formation under ball milling and a sizable supercooled liquid region, Delta T-x = 66 K. The mixtures of prealloyed Ti50Cu18Ni22Al4Sn6 fragments with CrB or TiB2 particles up to 30 vol.% were mechanically milled to fabricate the boride/Ti-based glassy alloy composites. The structural features of the as-milled products were characterized using X-ray diffraction, transmission electron microscopy and differential scanning calorimetry. In the ball-milled composites, the CrB or TiB2 particles with sizes ranging around 10-200 nm are dispersed in the Ti-based glassy alloy matrix. Similar to the Ti50Cu18Ni22Al4Sn6 glassy alloy without any borides, a well-defined glass transition temperature, T-g, and a wide supercooled liquid region, Delta T-x are observed also for the boride-containing composites. Furthermore, the glass transition and thermal stability of supercooled liquid for the matrix alloy in the composites are dependent on the fraction of boride addition. In the case of CrB addition, the Delta T-x, value of glassy phase matrix was reduced due to a strong fraction dependence of the Tg than that of the T-x, remaining at about 60 K for boride fractions less than 15 vol.%. In contrast, both the T-g and T-x of the TiB2-containing composites were raised with increasing TiB2 fraction up to 30 vol.%, resulting in no significant change for the AT,. (c) 2005 Elsevier B.V. All rights reserved.
DOI	10.1016/j.jnoncrysol.2005.05.027
收录类别	SCI
语种	英语
WOS研究方向	Materials Science
WOS类目	Materials Science, Ceramics ; Materials Science, Multidisciplinary
WOS记录号	WOS:000231348400016
出版者	ELSEVIER SCIENCE BV
引用统计	被引频次：14[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/83422
专题	中国科学院金属研究所
通讯作者	Xu, J
作者单位	CAS, Met Res Inst, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang, LC,Shen, ZQ,Xu, J. Thermal stability of mechanically alloyed boride/Ti50Cu18Ni22Al4Sn6 glassy alloy composites[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2005,351(27-29):2277-2286.
APA	Zhang, LC,Shen, ZQ,&Xu, J.(2005).Thermal stability of mechanically alloyed boride/Ti50Cu18Ni22Al4Sn6 glassy alloy composites.JOURNAL OF NON-CRYSTALLINE SOLIDS,351(27-29),2277-2286.
MLA	Zhang, LC,et al."Thermal stability of mechanically alloyed boride/Ti50Cu18Ni22Al4Sn6 glassy alloy composites".JOURNAL OF NON-CRYSTALLINE SOLIDS 351.27-29(2005):2277-2286.