Journal
SCIENCE ADVANCES
Volume 5, Issue 11, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/sciadv.aax7256
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Funding
- NSF of China [51571011, U1930402, 51871157]
- Natural Science Foundation of Guangdong Province [2016A030310043]
- Science and Technology Innovation Commission Shenzhen [JCYJ20170412111216258, JCYJ20160520164903055]
- University Grant Council through the General Research Fund (GRF) [CityU11213118, CityU11209317]
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Design of bulk metallic glasses (BMGs) with excellent properties has been a long-sought goal in materials science and engineering. The grand challenge has been scaling up the size and improving the properties of metallic glasses of technological importance. In this work, we demonstrate a facile, flexible route to synthesize BMGs and metallic glass-glass composites out of metallic-glass ribbons. By fully activating atomic-scale stress relaxation within an ultrathin surface layer under ultrasonic vibrations, we accelerate the formation of atomic bonding between ribbons at a temperature far below the glass transition point. In principle, our approach overcomes the size and compositional limitations facing traditional methods, leading to the rapid bonding of metallic glasses of distinct physical properties without causing crystallization. The outcome of our current research opens up a window not only to synthesize BMGs of extended compositions, but also toward the discovery of multifunctional glass-glass composites, which have never been reported before.
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