|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Magnesium Alloy Development: An LMD Symposium in Honor of Karl Kainer
||Effects of Sn Addition on Microstructure and Impression Creep Behavior of ZC63 Magnesium Alloy
||Soroush Parvizi, Nafiseh Mollaei, Bahram Nami, S.Mehdi Miresmaeili
|On-Site Speaker (Planned)
In order to increase the creep resistance of Mg-Zn alloys, some researches have been done on the effects of adding alloying elements, thermal treatment and mechanical properties. In this research the effect of tin element (0, 2, 4 %) on microstructure and creep resistance of ZC63 casting alloy was investigated by the impression creep tests at temperature range of 150 -225 ℃ and under stress range of 150-700 Mpa for 1 hour. The microstructure and mechanical properties of ZC63-X Sn alloys were investigated by optical microscopy, X-ray diffraction and SEM. The results show that ZC63 alloy mainly contains α(Mg) grains and Mg (Zn, Cu) compounds which strengthen both grain boundaries and matrix. The addition of tin causes grain refinement of α(Mg) and Mg (Zn, Cu) phases and the increase in particles size. Adding tin causes formation of high thermal stable 〖Mg〗_2Sn phase. Therefore, creep resistance increased and mechanical properties improved.