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Hot pressing titanium metal matrix composites reinforced with graphene nanoplatelets through an in-situ reactive method

  • Beijing Institute of Technology

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

This study proposed an in-situ reactive method that uses graphene as a reinforcement to fabricate titanium metal matrix composites (TiMMCs) through powder metallurgy processing route. The volume fraction of graphene nanoplatelets was 1.8%vol, and the pure titanium was used as a matrix. The Archimedes density, hardness, microstructure and mechanical properties of specimens were compared under different ball milling times (20 min and 2.5 h) and hot pressing temperatures (900°C, 1150°C, and 1300°C,). The ultimate tensile strength of 630 MPa, which demonstrated a 27.3% increase compared with pure Ti, was achieved under a ball milling time of 20 min. Elongation increased with increasing temperature. When the ball milling time and hot pressing temperature were increased to 2.5 h and 1300°C, respectively, the ultimate tensile strength of the composites reached 750 MPa, showing an increase of 51.5% compared with pure Ti.

源语言英语
主期刊名2nd International Conference on Composite Materials and Material Engineering, ICCMME 2017
出版商American Institute of Physics Inc.
ISBN(电子版)9780735415188
DOI
出版状态已出版 - 17 5月 2017
活动2nd International Conference on Composite Materials and Material Engineering, ICCMME 2017 - Chengdu, 中国
期限: 17 2月 2017 → 19 2月 2017

丛书

姓名AIP Conference Proceedings
卷1846
ISSN(印刷版)0094-243X
ISSN(电子版)1551-7616

会议

会议2nd International Conference on Composite Materials and Material Engineering, ICCMME 2017
国家/地区中国
市Chengdu
时期17/02/17 → 19/02/17

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