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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Baihe Miao Yan Zhang Guoxun Liu Wenbin Wang Gang Li Ying Shan Xiaoxia Pu |
| Copyright Year | 2006 |
| Description | Author affiliation: Univ. of Sci. & Technol. Beijing (Baihe Miao; Yan Zhang; Guoxun Liu) |
| Abstract | Mechanical properties of two sorts of CuCr(75/25) contact materials adopted widely for vacuum interrupters were determined by standard tensile test and impact test, and fracture characteristics of these two materials after tests were analyzed by optical and SEM equipped with EDS. It was shown that the tensile strength, ductility and impact strength of Cu-25Cr alloy contact material by vacuum casting are superior to that of CuCr25 p/m contact material by sintering technique; Fractographs of these contact materials revealed distinct fracture mechanisms, i.e. dimply ductile fracture of Cu-25Cr alloy materials, in contrast with primarily cleavage fracture of Cr-particles and interfacial fracture between Cr and Cu-matrix in CuCr25 p/m materials. The influence of strength, ductility and interfacial bonding strength between Cr/Cu phases on the contact performance of contact materials were discussed |
| Starting Page | 516 |
| Ending Page | 519 |
| File Size | 5326760 |
| Page Count | 4 |
| File Format | |
| ISBN | 1424401917 |
| ISSN | 10932941 |
| DOI | 10.1109/DEIV.2006.357351 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-09-25 |
| Publisher Place | Japan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Mechanical factors Contacts Optical materials Vacuum technology Materials testing Conducting materials Casting Microstructure Insulation testing Chromium |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Networks and Communications Software |
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