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Towards the Better: Intrinsic Property Amelioration in Bulk Metallic Glasses
Sarac, Baran; Zhang, Long; Kosiba, Konrad; Pauly, Simon; Stoica, Mihai; Eckert, Juergen; Sarac, B (reprint author), IFW Dresden, Inst Complex Mat, Helmholtzstr 20, D-01069 Dresden, Germany.
2016-06-08
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号6
摘要Tailoring the intrinsic length-scale effects in bulk metallic glasses (BMGs) via post-heat treatment necessitates a systematic analyzing strategy. Although various achievements were made in the past years to structurally enhance the properties of different BMG alloys, the influence of short-term sub-glass transition annealing on the relaxation kinetics is still not fully covered. Here, we aim for unraveling the connection between the physical, (thermo) mechanical and structural changes as a function of selected pre-annealing temperatures and time scales with an in-house developed Cu46Zr44Al8Hf2 based BMG alloy. The controlled formation of nanocrystals below 50 nm with homogenous distribution inside the matrix phase via thermal treatment increase the material's resistance to strain softening by almost an order of magnitude. The present work determines the design aspects of metallic glasses with enhanced mechanical properties via nanostructural modifications, while postulating a counter-argument to the intrinsic property degradation accounted for long-term annealing.
部门归属[sarac, baran ; zhang, long ; kosiba, konrad ; pauly, simon ; stoica, mihai] ifw dresden, inst complex mat, helmholtzstr 20, d-01069 dresden, germany ; [zhang, long] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [stoica, mihai] politehn univ timisoara, p ta victoriei 2, ro-300006 timisoara, romania ; [eckert, juergen] austrian acad sci oaw, erich schmid inst mat sci, jahnstr 12, a-8700 leoben, austria ; [eckert, juergen] univ leoben, dept mat phys, jahnstr 12, a-8700 leoben, austria
学科领域Science & Technology - Other Topics
资助者European Research Council under the ERC Advanced Grant INTELHYB [ERC-2013-ADG-340025]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75832
专题中国科学院金属研究所
通讯作者Sarac, B (reprint author), IFW Dresden, Inst Complex Mat, Helmholtzstr 20, D-01069 Dresden, Germany.
推荐引用方式
GB/T 7714
Sarac, Baran,Zhang, Long,Kosiba, Konrad,et al. Towards the Better: Intrinsic Property Amelioration in Bulk Metallic Glasses[J]. SCIENTIFIC REPORTS,2016,6.
APA Sarac, Baran.,Zhang, Long.,Kosiba, Konrad.,Pauly, Simon.,Stoica, Mihai.,...&Sarac, B .(2016).Towards the Better: Intrinsic Property Amelioration in Bulk Metallic Glasses.SCIENTIFIC REPORTS,6.
MLA Sarac, Baran,et al."Towards the Better: Intrinsic Property Amelioration in Bulk Metallic Glasses".SCIENTIFIC REPORTS 6(2016).
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