Journal
VACUUM
Volume 143, Issue -, Pages 23-27Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2017.05.029
Keywords
Selective laser melting; Nanocomposite; Microstructure; Tensile strength
Funding
- Natural Science Foundation of Shanghai [17ZR1409200]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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The nanoscale TiC reinforced Ti matrix nanocomposites with nearly full density of 98.2% were fabricated by selective laser melting. Owing to the unique metallurgical action of SLM, the TiC exhibited two typical morphologies: nanoscale lamellar and submicron strip structures, and showed a uniform network distribution. The formation mechanism of TiC was investigated in detail. The SLM-processed Ti matrix nanocomposite possessed a significantly enhanced tensile strength of 914 MPa due to the formation and uniform dispersion of nanoscale TiC. (C) 2017 Elsevier Ltd. All rights reserved.
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