AZ31镁合金板在PBS模拟体液中的腐蚀行为和拉伸性能
Corrosion Behavior and Tensile Properties of AZ31 Magnesium Alloy Sheet in PBS Simulated Body Fluid
摘 要
将AZ31镁合金板浸泡于磷酸盐缓冲液(PBS)模拟体液中, 对其腐蚀行为和拉伸性能随浸泡时间的变化规律进行了研究。结果表明: AZ31镁合金板的弹性模量和断后伸长率与腐蚀速率的变化规律一致, 均随浸泡时间的延长呈指数规律下降; 浸泡28 d后, 弹性模量和断后伸长率分别下降了约10%和20%, 抗拉强度的下降不足5%。
生物可降解植入材料
腐蚀行为
拉伸性能
磷酸盐缓冲液(PBS)
AZ31 magnesium alloy sheet
biodegradable implant material
corrosion behavior
tensile property
phosphate buffered solution (PBS)
Abstract
AZ31 magnesium alloy sheet was immersed in simulated body fluid, the change regulars of its corrosion behavior and tension properties with immersion time were studied. The results show that the elastic modulus and elongation exponentially decreased with the increase of immersion time, which was consistent with the evolution of corrosion rate. After immersing for 28 days, the elastic modulus and elongation dropped by around 10% and 20%, respectively, while the tensile strength declined no more than 5%.
中图分类号 TG146.22
所属栏目 试验研究
基金项目 国家自然科学基金资助项目(11172206)
收稿日期 2013/7/19
修改稿日期 2013/12/17
网络出版日期
作者单位点击查看
备注祁玉红(1975-), 女, 青海西宁人, 副教授, 硕士。
引用该论文: QI Yu-hong,FU Si-chao,GAO Hong,CHEN Gang,CHEN Xu. Corrosion Behavior and Tensile Properties of AZ31 Magnesium Alloy Sheet in PBS Simulated Body Fluid[J]. Materials for mechancial engineering, 2014, 38(10): 16～19
祁玉红,付巳超,高红,陈刚,陈旭. AZ31镁合金板在PBS模拟体液中的腐蚀行为和拉伸性能[J]. 机械工程材料, 2014, 38(10): 16～19
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参考文献
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【2】ZENG R, DIETZEL W, WITTE F, et al. Progress and challenge for magnesiumalloys as biomaterials[J].Advanced Engineering Materials, 2008, 10: B3-B14.
【3】WITTE F, HORT N, VOGT C. Degradable biomaterials based on magnesium corrosion[J].Current Opinion in Solid State and Materials Science, 2008, 12(5/6): 63-72.
【4】SONG Ying-wei, SHAN Da-yong, CHEN Rong-shi. Biodegradable behaviors of AZ31 magnesium alloy in simulated body fluid[J].Materials Science & Engineering: C, 2009, 29(3): 1039-1045.
【5】KIRKLAND N T, LESPAGNOL J, BIRBILIS N, et al. A survey of bio-corrosion rates of magnesium alloys[J].Corrosion Science, 2010, 52(2): 287-291.
【6】GU X N, ZHOU W R, ZHENG Y F, et al. Corrosion fatigue behaviors of two biomedical Mg alloys-AZ91D and WE43-in simulated body fluid[J].Acta Biomaterialia, 2010, 6(12): 4605-4613.
【7】WITTE F, FISCHER J, NELLESEN J, et al. In vitro and in vivo corrosion measurements of magnesium alloys[J].Biomaterials, 2006, 27(7): 1013-1018.
【8】XIN Y, HU T, CHU P K. In vitro studies of biomedical magnesium alloys in a simulated physiological environment: a review[J].Acta Biomaterialia, 2011, 7(4): 1452-1459.
【9】程英亮, 陈振华, 王慧敏, 等.镁合金的腐蚀与防护研究进展[J].机械工程材料, 2005, 29(5): 1-4.
【10】ZONG Yang, YUAN Guang-yin, ZHANG Xiao-bo, et al. Comparison of biodegradable behaviors of AZ31 and Mg-Nd-Zn-Zr alloys in Hank′s physiological solution[J].Materials Science and Engineering: B, 2012, 177(5): 395-401.
【11】YAMAMOTO A, HIROMOTO S. Effect of inorganic salts, amino acids and proteins on the degradation of pure magnesium in vitro[J].Materials Science and Engineering: C, 2009, 29(5): 1559-1568.
【12】XIN Yun-chang, HU Tao, CHU P K. Influence of test solutions on in vitro studies of biomedical magnesium alloys[J].Journal of the Electrochemical Society, 2010, 157(7): C238-C243.
【13】WANG Jia-li, TANG Jian, ZHANG Peng, et al. Surface modification of magnesium alloys developed for bioabsorbable orthopedic implants: a general review[J].Journal of Biomedical Materials Research B: Applied Biomaterials, 2012, 100(6): 1691-1701.
【14】WANG H, ESTRIN Y, ZúBEROV Z. Bio-corrosion of a magnesium alloy with different processing histories[J].Materials Letters, 2008, 62(15): 2476-2479.
【15】WEN Zhao-hui, WU Chang-jun. Corrosion behaviors of Mg and its alloys with different Al contents in a modified simulated body fluid[J].Journal of Alloys and Compounds, 2009, 488(1): 392-399.
【16】朱艳英.镁基生物医用材料研究进展[J].中国生物医学工程学报, 2010, 29(6): 932-937.
【17】王赫男, 赵玉华, 张伟霞.挤压变形对金属镁耐腐蚀性能的影响[J].机械工程材料, 2008, 32(3): 42-68.
【18】G31-72 Standard practice for laboratory immersion corrosion testing of metals[S].
【19】高继峰, 刘德绪, 龚金海, 等.磷酸一氢钠对AZ91镁合金的缓蚀作用[J].腐蚀与防护, 2014, 35(3): 233-238.
【20】汪凌云, 黄光杰, 陈林.镁合金板材轧制工艺及组织性能分析[J].稀有金属材料与工程, 2007, 36(5): 910-914.
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