期刊
MATERIALS
卷 15, 期 20, 页码 -出版社
MDPI
DOI: 10.3390/ma15207304
关键词
bulk metallic glass; phase transformation; mechanical behavior; corrosion wear resistance
类别
资金
- National Natural Science Foundation of China [52061027]
- Hongliu Outstanding Talents Program of Lanzhou University of Technology [2018]
An ultra-strong Ti-based bulk metallic glass composite was developed using the transformation-induced plasticity effect. This composite enhances the ductility and work-hardening capability of the amorphous matrix and possesses a continuous gradient microstructure. It exhibits good plasticity, toughness, strength, hardness, and wear corrosion resistance.
An ultra-strong Ti-based bulk metallic glass composite was developed via the transformation-induced plasticity (TRIP) effect to enhance both the ductility and work-hardening capability of the amorphous matrix. The functionally graded composites with a continuous gradient microstructure were obtained. It was found that the austenitic center possesses good plasticity and toughness. Furthermore, the amorphous surface exhibited high strength and hardness, as well as excellent wear corrosion resistance. Compared with the Ti-6Al-4V alloy, bulk metallic glass composites (BMGCs) exhibit better spontaneous passivation behavior during the potential dynamic polarization. No crystallization was observed on the friction surface, indicating their good friction-reduction and anti-wear properties.
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