为提高生物镁合金的力学和腐蚀性能，对挤压态Mg-3Gd-1Nd-0.3Sr-0.2Zn-0.4Zr镁合金进行不同温度的时效处理，研究时效温度对合金显微组织、室温力学性能和在模拟体液中腐蚀性能的影响。结果表明：合金的析出相呈针状且富含 Zr 元素。时效处理后合金的显微硬度和屈服强度均比挤压态的高，且随时效温度的升高先升高后降低，当时效温度为185℃时，合金的显微硬度和屈服强度最高。腐蚀速率随着时效温度的升高先降低后升高，时效温度为230℃时，其质量损失腐蚀速率为挤压态的52%±7%。
In order to improve the mechanical and corrosion properties of biomagnesium alloy, the aging treatments at different temperatures were conducted on the as-extruded Mg-3Gd-1Nd-0.3Sr-0.2Zn-0.4Zr alloy. The effects of the aging temperature on microstructure, room-temperature mechanical properties and corrosion properties in simulated body fluid of the alloy were studied. The results show that the Zr-rich needle-like precipitate is observed. The microhardness and yield strength of the alloy after aging treatment are higher than those of the as-extruded alloy, and they first increase and then decline with increasing aging temperature. The highest microhardness and yield strength are obtained at the aging temperature of 185℃. The corrosion rate of the alloy first decreases and then increases with increasing aging temperature, and the lowest corrosion rate of the alloy is acquired aged at 230℃, which is only 52%±7% compared to that of the as-extruded alloy obtained by mass loss test.
参考文献
| [1] | 袁广银;章晓波;牛佳林;陶海荣;陈道运;何耀华;蒋垚;丁文江.新型可降解生物医用镁合金JDBM的研究进展[J].中国有色金属学报,2011(10):2476-2488. |
| [2] | N. T. Kirkland.Magnesium biomaterials: past, present and future[J].Corrosion Engineering, Science and Technology,20125(5):322-328. |
| [3] | Zhen, Zhen;Liu, Xiaoli;Huang, Tao;Xi, TingFei;Zheng, Yufeng.Hemolysis and cytotoxicity mechanisms of biodegradable magnesium and its alloys[J].Materials science & engineering, C. Materials for Biogical applications,2015:202-206. |
| [4] | Lin Mao;Li Shen;Jialin Niu.Nanophasic biodegradation enhances the durability and biocompatibility of magnesium alloys for the next-generation vascular stents[J].Nanoscale,201320(20):9517-9522. |
| [5] | Yang, JX;Jiao, YP;Cui, FZ;Lee, IS;Yin, QS;Zhang, Y.Modification of degradation behavior of magnesium alloy by IBAD coating of calcium phosphate[J].Surface & Coatings Technology,200822/23(22/23):5733-5736. |
| [6] | Gu,X.N.;Xie,X.H.;Li,N.;Zheng,Y.F.;Qin,L..In vitro and in vivo studies on a Mg-Sr binary alloy system developed as a new kind of biodegradable metal[J].Acta biomaterialia,20126(6):2360-2374. |
| [7] | Fischerauer,S.F.;Kraus,T.;Wu,X.;Tangl,S.;Sorantin,E.;H?nzi,A.C.;L?ffler,J.F.;Uggowitzer,P.J.;Weinberg,A.M..In vivo degradation performance of micro-Arc-oxidized magnesium implants: A micro-CT study in rats[J].Acta biomaterialia,20132(2):5411-5420. |
| [8] | M. Bornapour;M. Celikin;M. Cerruti;M. Pekguleryuz.Magnesium implant alloy with low levels of strontium and calcium: The third element effect and phase selection improve bio-corrosion resistance and mechanical performance[J].Materials science & engineering, C. Materials for Biogical applications,2014:267-282. |
| [9] | 章晓波;巴志新;王章忠;薛亚军;王强.固溶处理及挤压态Mg-2.2Nd-xSr-0.3Zr镁合金的显微组织与生物腐蚀行为[J].中国有色金属学报（英文版）,2014(12):3797-3803. |
| [10] | Willbold, Elmar;Gu, Xuenan;Albert, Devon;Kalla, Katharina;Bobe, Katharina;Brauneis, Maria;Janning, Carla;Nellesen, Jens;Czayka, Wolfgang;Tillmann, Wolfgang;Zheng, Yufeng;Witte, Frank.Effect of the addition of low rare earth elements (lanthanum, neodymium, cerium) on the biodegradation and biocompatibility of magnesium[J].Acta biomaterialia,2015:554-562. |
| [11] | Peng, LM;Chang, JW;Guo, XW;Atrens, A;Ding, WJ;Peng, YH.Influence of heat treatment and microstructure on the corrosion of magnesium alloy Mg-10Gd-3Y-0.4Zr[J].Journal of Applied Electrochemistry,20096(6):913-920. |
| [12] | Shuquan Liang;Dikai Guan;Xiaoping Tan.The relation between heat treatment and corrosion behavior of Mg-Gd-Y-Zr alloy[J].Materials & design,20113(3):1194-1199. |
| [13] | 章晓波;袁广银;王章忠.铸造镁合金 Mg-Nd-Zn-Zr 的生物腐蚀性能[J].中国有色金属学报,2013(4):905-911. |
| [14] | 章晓波;薛亚军;王章忠;贺显聪;王强.Mg-（4-x）Nd-xGd-Sr-Zn-Zr生物镁合金的组织、力学和腐蚀性能[J].金属学报,2014(8):979-988. |
| [15] | Xiaobo Zhang;Guangyin Yuan;Lin Mao;Jialin Niu;Penghuai Fu;Wenjiang Ding.Effects of extrusion and heat treatment on the mechanical properties and biocorrosion behaviors of a Mg-Nd-Zn-Zr alloy.[J].Journal of the mechanical behavior of biomedical materials,2012:77-86. |
| [16] | Xiaobo Zhang;Yujuan Wu;Yajun Xue;Zhangzhong Wang;Lei Yang.Biocorrosion behavior and cytotoxicity of a Mg-Gd-Zn-Zr alloy with long period stacking ordered structure[J].Materials Letters,2012:42-45. |
| [17] | Qin, Hui;Zhao, Yaochao;An, Zhiquan;Cheng, Mengqi;Wang, Qi;Cheng, Tao;Wang, Qiaojie;Wang, Jiaxing;Jiang, Yao;Zhang, Xianlong;Yuan, Guangyin.Enhanced antibacterial properties, biocompatibility, and corrosion resistance of degradable Mg-Nd-Zn-Zr alloy[J].Biomaterials,2015:211-220. |
| [18] | Bornapour,M.;Muja,N.;Shum-Tim,D.;Cerruti,M.;Pekguleryuz,M..Biocompatibility and biodegradability of Mg-Sr alloys: The formation of Sr-substituted hydroxyapatite[J].Acta biomaterialia,20132(2):5319-5330. |
| [19] | M.A. Azeem;A. Tewari;S. Mishra.Development of novel grain morphology during hot extrusion of magnesium AZ21 alloy[J].Acta materialia,20105(5):1495-1502. |
| [20] | 郭全英;刘正;孙晶;毛萍莉.时效温度对挤压态Mg-13Gd-4Y-0.4Zr合金组织与性能的影响[J].铸造,2009(11):1150-1153. |
| [21] | 宋波;辛仁龙;刘庆.析出相对镁合金变形机理影响的研究进展[J].中国有色金属学报,2011(11):2719-2731. |
| [22] | 张浩;杜志惠;阴中炜;张绪虎.形变热处理对Mg-6Zn-1Zr-1.5Y合金组织与性能的影响[J].稀有金属材料与工程,2013(1):84-88. |
| [23] | Assessing the corrosion of biodegradable magnesium implants: A critical review of current methodologies and their limitations[J].Acta biomaterialia,20123(3):925-936. |
| [24] | 吴志林;吴多祥;袁人枢;赵磊;赵言宝.热处理对静液挤压AZ80镁合金管材腐蚀行为的影响[J].中国有色金属学报,2015(2):301-307. |
| [25] | W.C. Neil;M. Forsyth;P.C. Howlett;C.R. Hutchinson;B.R.W. Hinton.Corrosion of heat treated magnesium alloy ZE41[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,201110(10):3299-3308. |
| [26] | A.E. Coy;F. Viejo;P. Skeldon;G.E. Thompson.Susceptibility of rare-earth-magnesium alloys to micro-galvanic corrosion[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,201012(12):3896-3906. |
| [27] | Hermawan H;Dube D;Mantovani D.Developments in metallic biodegradable stents.[J].Acta biomaterialia,20105(5):1693-1697. |
| [28] | Bowen, P.K.;Drelich, J.;Goldman, J..A newin vitro-in vivo correlation for bioabsorbable magnesium stents from mechanical behavior[J].Materials science & engineering, C. Materials for Biogical applications,20138(8):5064-5070. |
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