Influence of cerium addition on the resistance to oxidation of AM50 alloy prepared by rapid solidification |
| |
| Authors: | Peng-yu Lin Na Sun Wen-ping Li Ming-xing Wang Wei Li |
| |
| Affiliation: | a Key Laboratory of Automobile Materials of Ministry of Education and School of Materials Science and Engineering, Nanling Campus of Jilin University, Changchun, Jilin 130025, PR China
b Department of Materials Science and Engineering, University of Toronto, Toronto, Ont., Canada M5S 3E4 |
| |
| Abstract: | The influence of various cerium (Ce) additions and starting temperature on the resistance to oxidation of AM50 alloy prepared by rapid solidification (RS, RS-AM50 alloy) has been investigated. The Ce addition has two opposite effects on the oxide scale. To the RS-alloy, the beneficial effect outweighs the detrimental one. However, when the alloy was prepared by slow solidification at the normal cooling rate (SS, SS-AM50 alloy), the detrimental effect was dominant. The improvement of oxide scale is closely related to the adherence of metal/oxide and tightness of oxide scale of the alloy. In addition, the reaction rate at the surface increased with starting temperature, which finally results in the formation of a protective oxide scale. |
| |
| Keywords: | A Alloy A Magnesium A Rare-earth elements B SEM C Oxidation |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
