SPS法制备Ti-3Zr-2Sn-3Mo-25Nb合金的组织与性能
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摘要
采用等离子烧结(SPS)预合金粉末法制备了Ti-25Nb-3Zr-3Mo-2Sn(质量分数,%)(TLM)医用β型钛合金,研究TLM预合金粉末的特征和SPS制备的TLM合金在固溶时效后的组织形貌与力学性能。结果表明:等离子旋转电极法制备的TLM钛合金预合金粉末球形度好、内部致密度高,粉末凝固组织主要由细小枝晶和单晶构成。SPS制备的TLM合金其烧结态和固溶态组织为等轴β相及少量的球状α″马氏体。固溶态合金展示了良好的综合力学性能,其屈服强度约为500 MPa,抗拉强度为624 MPa,伸长率为40%,弹性模量为54.5 GPa。经500℃时效6 h后,合金在一定塑性的前提下,抗拉强度达到1015 MPa,弹性模量为84 GPa。
A biomedical β-Ti alloy Ti-25Nb-3Zr-3Mo-2Sn(mass fraction, %) was fabricated by spark plasma sintering(SPS). The characteristics, morphology and mechanical properties of TLM prealloyed powder after solid solution and aging were investigated. The results show that TLM prealloyed power prepared by plasma rotating electrode process has good spherical shape and high internal density. The solidification microstructure is consisted by small dendritic and single crystal. The sintered and as-soluted microstructures of TLM alloy propared by SPS method are equiaxed β phase and α″martensite. The as-soluted alloy exhibits good comprehensive mechanical preperties with yield strength of 500 MPa,tensile strength of 624 MPa, elongation of 40% and elastic modulus of 54.5 GPa. Ageing at 500 ℃ for 6 h, after a superior the alloy has good plasticity, tensile strength reaches up to 1015 MPa, and the elastic modulus is 84 GPa.
A biomedical β-Ti alloy Ti-25Nb-3Zr-3Mo-2Sn(mass fraction, %) was fabricated by spark plasma sintering(SPS). The characteristics, morphology and mechanical properties of TLM prealloyed powder after solid solution and aging were investigated. The results show that TLM prealloyed power prepared by plasma rotating electrode process has good spherical shape and high internal density. The solidification microstructure is consisted by small dendritic and single crystal. The sintered and as-soluted microstructures of TLM alloy propared by SPS method are equiaxed β phase and α″martensite. The as-soluted alloy exhibits good comprehensive mechanical preperties with yield strength of 500 MPa,tensile strength of 624 MPa, elongation of 40% and elastic modulus of 54.5 GPa. Ageing at 500 ℃ for 6 h, after a superior the alloy has good plasticity, tensile strength reaches up to 1015 MPa, and the elastic modulus is 84 GPa.
引文
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[2]NIINOMI M,BOEHLERT C J.Titanium alloys for biomedical applications[M].Berlin Heidelberg:Springer,2015:179-213.
[3]段永刚,丁英奇,张龙,刘玉章,唐晓龙.新型β钛合金Ti35Nb3Zr2Ta在人工关节假体应用中的生物相容性[J].中国组织工程研究,2015,19(34):5536-5541.DUAN Yong-gang,DING Ying-qi,ZHANG Long,LIUYu-zhang,TANG Xiao-long.Biocompatibility of Ti35Nb3Zr2Ta a new beta-titanium alloy as joint prosthesis material[J].Chinese Journal of Tissue Engineeing Research,2015,19(34):5536-5541.
[4]李季,李述军,白芸,郝玉林,杨锐.氟离子含量对Ti2448纳米晶在模拟唾液中腐蚀行为的影响[J].中国有色金属学报,2013,23(S1):s316-s319.LI Ji,LI Shu-jun,BAI Yun,HAO Yu-lin,YANG Rui.Electrochemical behavior of nanostructured Ti2448 alloy in artficial saliva at 37℃with fluoride[J].The chinese Jeournal of Nonferrous Metals,2013,23(S1):s316-s319.
[5]BREME H Affiliated with Lehrstuhl für Metallische Werkstoffe,Universit?t des Saarlandes,BIEHL VAffiliated with Lehrstuhl für Metallische Werkstoffe,Universit?t des Saarlandes,REGERNAffiliated with Department of Chemistry and Biochemistry,Bayer School of Natural and Environmental Sciences,GAWALTE.Metallic biomaterials:introduction[C].Handbook of Biomaterial Properties.New York:Springer,2016:151-158.
[6]YU Zhen-tao,ZHANG Ming-hua,TIAN Yu-xing,CHENG Jun,MA Xi-qun,LIU Han-yuan,WANG Chang.Designation and development of biomedical Ti alloys with finer biomechanical compatibility in long-term surgical implants[J].Frontiers of Materials Science,2014,8(3):219-229.
[7]YILMAZER H,NIINOMI M,NAKAI M,CHO K,HIEDA J.Mechanical properties of a medicalβ-type titanium alloy with specific microstructural evolution through high-pressure torsion[J].Materials Science and Engineering C,2013,33:2499-2507.
[8]ZHU Yong-feng,WANG Li-qiang,WANG Min-min.Superelastic and shape memory properties of TixNb3Zr2Ta alloys[J].Journal of the Mechanical behavior of Biomedical Materials,2012,12(8):151-159.
[9]麻西群,于振涛,牛金龙,余森,程军.热处理对Ti-3Zr-2Sn-3Mo-25Nb合金超弹性的影响[J].稀有金属材料与工程,2016,45(6):1588-1592.MA Xi-qun,YU Zhen-tao,NIU Jin-long,YU Sen,CHENG Jun.Effect of heat trreatment on superelasticity in Ti-3Zr-2Sn-3Mo-25Nbn alloy[J].Rare Metal Materials and Engineering,2016,45(6):1588-1592.
[10]麻西群,于振涛,牛金龙,余森,刘春潮.超细晶TLM钛合金复合板材的组织与性能[J].稀有金属材料与工程,2014,43(9):152-155.MA Xi-qun,YU Zhen-tao,NIU Jin-long,YU Sen,LIUChun-chao.Microstructure and properties of ultrafine grained TLM alloy ARB sheet[J].Rare Metal Materials and Engineering,2014,43(9):152-155.
[11]于振涛,田宇兴,余森,麻西群.新型骨科用β型TLM钛合金材料研究[J].中国骨科临床与基础研究,2013,5(1):6-13.YU Zhen-tao,TIAN Yu-xing,YU Sen,MA Xi-qun.Research on a newβtype TLM titnaium alloy for orthopaedic application[J].Chinese Journal of Clinical and Basic Research,2013,5(1):6-13.
[12]HE Zheng-yuan,ZHANG Lei,SHAN Wen-rui,ZHANG Yu-qin,ZHOU Rong,JIANG Ye-hua,TAN Jun.Mechanical and corrosion properties of Ti-35Nb-7Zr-xHA composites fabricated by spark plasma sintering[J].Transactions of Nonferrous Metals Society of China,2017,27(4):848-856.
[13]徐伟,路新,夏青,韩刚,王涛,曲选辉.粉末冶金超细晶医用Ti-Mo-Fe合金的制备与表征[J].稀有金属材料与工程,2017,46(5):1393-1398.XU Wei,LU Xin,XIA Qing,HAN Gang,WANG Tao,QUXuan-hui.Fabrication and characterization of PM ultrafine grained Ti-Mo-Fe alloys for biomedical application[J].Rare Metal Materials and Engineering,2017,46(5):1393-1398.
[14]BISWAS K,HE J,BLUM I D WU C L,HOGAN T P.High performance bulk thermoelectrics with all-scale hierarchical architectures[J].Nature,2012,489(7416):414-418.
[15]LI Q,NIINOMI M,HIEDA J,NAKAI M,CHO K.Deformation inducedωphase in modified Ti-29Nb-13Ta-4.6Zr alloy by Cr addition[J].Acta Biomaterials,2013,9(8):8027-8035.
[16]NIINOMI M,NAKAI M,HIEDA J.Development of new metallic alloys for biomedical applications[J].Acta Biomaterials,2012,8:3888-3901.
[17]ZHAO X F,NIINOMI M,NAKAI M,HIEDA J,ISHIMOTO T.Optimization of Cr content of metastableβ-type Ti-Cr alloys with changeable Young’s modulus for spinal fixation applications[J].Acta Biomaterials,2012,8(6):2392-2400.
[18]刘万理,张玉勤,蒋业华,周荣.固溶温度对SPS烧结Ti-24Nb-4Zr-8Sn合金组织和力学性能的影响[J].金属热处理,2017,42(4):99-103.LIU Wan-li,ZHANG Yu-qin,JIANG Ye-hua,ZHOU Rong.Effect of solution temperature on microstructure and mechanical properties of Ti-24Nb-4Zr-8Sn alloy prepared by spark plasma sintering[J].Heat Treatment of Metals,2017,42(4):99-103.
[19]ZHANG Yu-sheng,ZHAO Yong-hao,ZHANG Wei,LU Jin-wen,HU Jiang-jiang,HUO Wang-tu,ZHANG Ping-xiang.Core-shell structured titanium-nitrogen alloys with high strength,high thermal stability and good plasticity[J].Scientific Reports,2017,7:1-7.
[20]ZHANG Yu-sheng,WANG Xin,ZHANG Wei,HUO Wang-tu,HU Jiang-jiang.Elevated tensile properties of Ti-O alloy with a novel core-shell structure[J].Materials Science and Engineering A,2017,696:360-365.
[21]麻西群,憨勇,于振涛,孙巧艳,牛金龙,袁思波.骨科植入用TLM钛合金的相转变与力学性能[J].稀有金属材料与工程,2012,41(9):1535-1538.MA Xi-qun,HAN Yong,YU Zhen-tao,SUN Qiao-yan,NIUJin-long,YUAN Si-bo.Phase transformation and mechanical properties of TLM titanium alloy for orthopaedic implant application[J].Rare Metal Materials and Engineering,2012,41(9):1535-1538.