Synthesis of bulk amorphous alloy and composites by warm rolling process |
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| Affiliation: | 1. Center for Noncrystalline Materials, Department of Metallurgical Engineering, Yonsei University, 134 Shinchon-dong, Soedaemun-ku, Seoul 120-749, South Korea;2. Applied Physics Division, Cheongju University, Cheongju 360-764, South Korea;1. Dipartimento di Chimica e Centro Superfici ed Interfacce Nanostrutturate (NIS), Università di Torino, Via Pietro Giuria 7, 10125 Torino, Italy;2. Istituto Nazionale di Ricerca Metrologica (INRIM), Divisione Elettromagnetismo, Strada delle Cacce 91, 10135 Torino, Italy;1. IFW Dresden, Institut für Komplexe Materialien, Helmholtzstraße 20, D-01069 Dresden, Germany;2. TU Dresden, Institut für Werkstoffwissenschaft, D-01062 Dresden, Germany;1. Department of Biomedical Engineering, School of Information and Engineering, Wenzhou Medical University, China;2. State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Micro-system and Information Technology, Chinese Academy of Sciences, China |
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| Abstract: | We report the fabrication of monolithic bulk amorphous Ni59Zr20Ti16Si2Sn3 alloy and amorphous Ni59Zr20Ti16Si2Sn3 alloy reinforced Cu matrix composite using a combination of RCRF (Repeated Cold Rolling and Folding) and warm rolling processes. Based on the TTT curve established for the amorphous Ni59Zr20Ti16Si2Sn3 alloy, the crystallization of the amorphous ribbon is prevented during warm rolling process. The micro-hardness of the amorphous alloy (600±30 Hv) is comparable with those for other Ni-based amorphous alloys. |
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