期刊
SCRIPTA MATERIALIA
卷 141, 期 -, 页码 133-137出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2017.08.007
关键词
Titanium matrix composites; Nanocomposites; Spark plasma sintering; Microstructure; Mechanical properties
类别
资金
- Australian Research Council [LP130100913]
- Baosteel-Australia joint Research and Development Center on the project [BA110014LP]
- Australian Research Council [LP130100913] Funding Source: Australian Research Council
A three-dimensional network-woven architecture made of TiB nanowires has been designed and realized in the matrix of a Ti6Al4V alloy. The architecturally nanostructured design was achieved by dispersing nanoparticles of B4C or B onto the surfaces of spherical Ti6Al4V powder particles via mechanical mixing and subsequent consolidation by spark plasma sintering. The as-sintered nanostructured Ti6Al4V-TiB composites demonstrated excellent tensile strengths and ductility that are required for critical applications. The in situ formed TiB nanowires with aspect ratios up to 300 contributed to the high tensile strengths while the architectural design of the TiB nanowires ensured the good tensile ductility. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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