[6]Du W,Sun Y,Min X,et al.Microstructure and mechanical properties of Mg-Al based alloy with calcium and rare earth additions.Mater Sci Eng A,2003,356:1-7.
[7]Ghali E,Dietzel W,Kainer KU.General and localized
corrosion of magnesium alloys:A critical review.J Mater Eng Perform,2004,13:7-23.
[8]Bornapour M,Celikin M,Cerruti M,Pekguleryuz M.Magnesium implant alloy with low levels of strontium and calcium:The third element effect and phase selection improve biocorrosion resistance and mechanical performance.Mater Sci Eng C 2014;35:267-282.
[9]Bornapour M,Muja N,Shum-Tim D,et al.Biocompatibility and
biodegradability of Mg-Sr alloys:the formation of Srsubstituted hydroxyapatite.Acta Biomate,2013,9(2):5319-5330.
cells on synthesized biodegradable Mg-Zn-Ca alloys.Mater Sci Eng C Mater Biol Appl,2016,69:584-597.
[11]Gu XN,Li SS,Li XM,et al.Magnesium based degradable biomaterials:A review.Front Mater Sci,2014,8(3):200-218.
[12]Makkar P,Sarkar SK,Padalhin AR,et al.In vitro and in vivo assessment of biomedical Mg-Ca alloys for bone implant applications.J Appl Biomater Funct Mater,2018,16(3):126-136. [13]Zhang SX,Zhang XN,Zhao CL,et al.Research on Mg-Zn alloy as degradable biomaterial.Acta Biomaterialia,2010,6(2):626-640.
[14]Song Y,Han EH,Shan D,et al.The effect of Zn
concentration on the corrosion behavior of Mg-xZn alloys.Corros Sci,2012,65:322-330.