整形外科用摩擦焊纯钛/镁合金螺钉的力学性能、腐蚀行为和生物相容性（英文）
发布时间：2021-06-07 03:41
在转速为1100、1200和1300r/min条件下,通过旋转摩擦焊将生物可降解镁合金与商业纯钛异种焊接后加工成螺钉,研究异种接头的性能。金相分析结果表明钛/镁合金接头处连接较好。在镁合金一侧观察到焊缝中心区（WCZ）、动态再结晶区（DRX）、热力影响区（TMAZ）和局部变形区（PDZ）。在1300r/min转速下制备的螺钉具有最高的拉伸强度和剪切强度,分别为173和103.2MPa。钛/镁合金异种摩擦焊接头在含有Ti3Al的金属间化合物区附近失效。由于晶粒细化（8.57μm）和钛颗粒的影响,从镁合金一侧到焊缝区,硬度值逐渐增大;而钛一侧的硬度值保持不变。浸泡实验显示钛/镁合金接头的腐蚀速率高于纯钛与镁合金的腐蚀速率。此外,1300 r/min转速下制备的接头由于其更好的耐腐蚀性能,显示出更好的生物相容性和细胞活性（98.12%）。
【文章来源】：Transactions of Nonferrous Metals Society of China. 2020,30(11)EISCICSCD
【文章页数】：15 页
【文章目录】：
1 Introduction
2 Experimental
2.1 Materials and friction welding procedure
2.2 Microstructure and composition analysis
2.3 Mechanical testing
2.4 Corrosion behavior
2.5 Cell behavior
3 Results and discussion
3.1 Microstructure
3.2 Mechanical properties
3.3 Corrosion behavior
3.4 In vitro cytotoxicity and cell proliferation
4 Conclusions
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本文编号：3215775
【文章来源】：Transactions of Nonferrous Metals Society of China. 2020,30(11)EISCICSCD
【文章页数】：15 页
【文章目录】：
1 Introduction
2 Experimental
2.1 Materials and friction welding procedure
2.2 Microstructure and composition analysis
2.3 Mechanical testing
2.4 Corrosion behavior
2.5 Cell behavior
3 Results and discussion
3.1 Microstructure
3.2 Mechanical properties
3.3 Corrosion behavior
3.4 In vitro cytotoxicity and cell proliferation
4 Conclusions
【参考文献】：
期刊论文
[1]Mg-2Zn-xCu合金的显微组织和热物性能（英文）[J]. 张万鹏,马鸣龙,袁家伟,石国梁,李永军,李兴刚,张奎. Transactions of Nonferrous Metals Society of China. 2020(07)
[2]搅拌针形状对Al-Mg-Si合金搅拌摩擦焊过程中材料流动和力学性能的影响（英文）[J]. Krishna Kishore MUGADA,Kumar ADEPU. Transactions of Nonferrous Metals Society of China. 2019(11)
[3]添加Si对Mg-6Al-1Zn合金显微组织、力学性能、生物腐蚀和细胞毒性的影响（英文）[J]. M.AMIRNEJAD,M.RAJABI,A.MOTAVALLI. Transactions of Nonferrous Metals Society of China. 2018(09)
[4]Mechanical and corrosion properties of partially degradable bone screws made of pure iron and stainless steel 316L by friction welding[J]. Ahmad Kafrawi Nasution,Mokhamad Fakhrul Ulum,Mohammed Rafiq Abdul Kadir,Hendra Hermawan. Science China Materials. 2018(04)
[5]具有可控粒径和形貌超细银粉的合成（英文）[J]. 田庆华,邓多,李宇,郭学益. Transactions of Nonferrous Metals Society of China. 2018(03)
[6]镁合金AZ31表面层层组装壳聚糖/聚谷氨酸涂层的体外耐蚀与抗菌性能（英文）[J]. 崔蓝月,徐霁,陆娜,曾荣昌,邹玉红,李硕琦,张芬. Transactions of Nonferrous Metals Society of China. 2017(05)
[7]Cytotoxic Effect on Osteosarcoma MG-63 Cells by Degradation of Magnesium[J]. Mei Li,Ling Ren,LiHua Li,Peng He,GuoBo Lan,Yu Zhang,Ke Yang. Journal of Materials Science & Technology. 2014(09)
[8]Mg-Ti旋转摩擦焊过程的摩擦产热及原子扩散行为（英文）[J]. 李瑞迪,李京龙,熊江涛,张赋升,赵科,籍成宗. Transactions of Nonferrous Metals Society of China. 2012(11)
本文编号：3215775
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