| 1 | Thermal Characteristics,Mechanical Properties,In Vitro Degradation and Cytotoxicity of Novel Biodegradable Zn-Al-Mg and Zn-Al-Mg-xBi Alloys显示文摘Ternary Zn-0.5Al-0.5Mg and quaternary Zn-0.5Al-0.5Mg-xBi(x = 0.1,0.3 and 0.5) alloys were studied to evaluate the thermal and structural characteristics,mechanical properties,cytotoxicity and in vitro degradation behavior.Thermal analysis and microstructural observations showed that Zn-0.5Al-0.5Mg is composed of FCC-A1 + HCPZn + Mg_2(Zn,Al)_(11) while a new phase α-Mg_3Bi_2 appeared after the addition of Bi to the Zn-0.5Al-0.5Mg ternary alloy.The results revealed that the quaternary Zn-Al-Mg-Bi alloys have higher tensile strength,elongation and hardness but slightly lower corrosion resistance than those of the ternary Zn-Al-Mg alloy.Based on the MTT assay,the Zn-Al-Mg and Zn-Al-Mg-Bi alloys were found to be biocompatible,and thus,they can be considered for further investigation in an in vivo environment. | H.R.Bakhsheshi-Rad E.Hamzah H.T.Low M.H.Cho M.Kasiri-Asgarani S.Farahany A.Mostafas M.Medraj | 2017 | Acta Metallurgica Sinica(English Letters)2017，30，3： | 2 |
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