期刊
INTERMETALLICS
卷 113, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2019.106577
关键词
Cu-Ti; intermetallic compounds; Liquid-solid reaction; Fracture toughness
资金
- National Natural Science Foundation of China [51622401, 51628402, 51861130361, 51861145312, 51850410522]
- Newton Advanced Fellowship by Royal Society [RP12G0414]
- Research Fund for Central Universities [N172502004]
- National Key Research and Development Program of China [2016YFB0300602]
- Global Talents Recruitment Program by the Chinese Government
- State Key Laboratory of Solidification Processing, Northwestern Polytechnical University [SKLSP201805]
Cu-Ti intermetallic compounds are usually prepared by solid-solid Cu/Ti diffusion couples. However, we offer a rather unique approach to prepare Cu-Ti phases by simply mixing Cu and Ti powders and heating them at 1373 K. Typical CuTi2, CuTi and Cu4Ti3 phases are profusely formed. Intermetallic stoichiometry, morphology and the sequence of nucleation and growth between them are discussed in detail. Meanwhile, pertinent properties, such as hardness and fracture toughness are characterized. It is believed such technique may pave a way for faster production of Cu-Ti alloys with fine-tuned properties.
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