TY - JOUR

T1 - Microstructure and mechanical properties of Mg-3Sn-1Ca reinforced with AlN nano-particles

AU - Wang, Shaozhu

AU - Huang, Yuanding

AU - Yang, Lixiang

AU - Zeng, Ying

AU - Hu, Yaozeng

AU - Zhang, Xiao

AU - Sun, Qiang

AU - Shi, Shaojun

AU - Meng, Guangyao

AU - Hort, Norbert

N1 - This work was financially supported by the Study Abroad Program by the Government of Shandong Province (201802005), Linyi Industrial Technology Research Institute and Shandong Yinguang Yuyuan Light Metal Precise Forming Co., Ltd. The authors appreciate Gerrit Kurz for the tensile tests, Gert Wiese Gert Wiese for SEM measurement and Petra Fischer for hardness measurement. © 2021 Chongqing University.

PY - 2023/1/1

Y1 - 2023/1/1

N2 - Microstructural evolution and strengthening mechanisms of Mg-3Sn-1Ca based alloys with additions of different amounts of AlN nano-particles were investigated. It was found that with increasing the amount of AlN nano-particles the grain size decreases obviously. The existence of AlN nano-particles could refine the primary crystal phases CaMgSn, which provided more heterogeneous nucleation sites for the formation of magnesium. Moreover, such nano-particles could also restrict the grain growth during solidification. After adding AlN nano-particles, both the tensile properties at room temperature and high temperature 250 °C and the hardness are largely improved. The improvement of strength is attributed to grain refinement and second phase refinement.

AB - Microstructural evolution and strengthening mechanisms of Mg-3Sn-1Ca based alloys with additions of different amounts of AlN nano-particles were investigated. It was found that with increasing the amount of AlN nano-particles the grain size decreases obviously. The existence of AlN nano-particles could refine the primary crystal phases CaMgSn, which provided more heterogeneous nucleation sites for the formation of magnesium. Moreover, such nano-particles could also restrict the grain growth during solidification. After adding AlN nano-particles, both the tensile properties at room temperature and high temperature 250 °C and the hardness are largely improved. The improvement of strength is attributed to grain refinement and second phase refinement.

KW - AlN nano-particles

KW - Grain refinement

KW - Mg-Sn-Ca alloy

KW - Microstructure

KW - Strengthening mechanisms

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85108369605&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/d4727960-cd4a-3d93-8b22-28243c69ecb8/

U2 - 10.1016/j.jma.2021.04.002

DO - 10.1016/j.jma.2021.04.002

M3 - Journal articles

AN - SCOPUS:85108369605

VL - 11

SP - 259

EP - 269

JO - Journal of Magnesium and Alloys

JF - Journal of Magnesium and Alloys

SN - 2213-9567

IS - 1

ER -