Abstract
Ti–Ta alloys represent candidate materials for high-temperature shape-memory alloys (HTSMAs). They outperform several other types of HTSMAs in terms of cost, ductility, and cold workability. However, Ti–Ta alloys are characterized by a relatively fast microstructural degradation during exposure to elevated temperatures, which gives rise to functional fatigue. In the present study, we investigate how isothermal aging affects the martensitic transformation behavior and microstructures in Ti70Ta30 HTSMAs. Ti–Ta sheets with fully recrystallized grain structures were obtained from a processing route involving arc melting, heat treatments, and rolling. The final Ti–Ta sheets were subjected to an extensive aging heat treatment program. Differential scanning calorimetry and various microstructural characterization techniques such as scanning electron microscopy, transmission electron microscopy, conventional X-ray, and synchrotron diffraction were used for the characterization of resulting material states. We identify different types of microstructural evolution processes and their effects on the martensitic and reverse transformation. Based on these results, an isothermal time temperature transformation (TTT) diagram for Ti70Ta30 was established. This TTT plot rationalizes the dominating microstructural evolution processes and related kinetics. In the present work, we also discuss possible options to slow down microstructural and functional degradation in Ti–Ta HTSMAs.
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References
Funakubo H (1987) Shape memory alloys. Gordon and Breach, New York
Wayman CM, Deurig TW (1990) An introduction to martensite and shape memory. In: Duerig TW, Melton KN, Stöckel D, Wayman CM (eds) Engineering aspects of shape memory alloys. Butterworth-Heinemann, London
Otsuka K, Ren X (2005) Physical metallurgy of Ti–Ni-based shape memory alloys. Prog Mater Sci 50(5):511–678
Miyazaki S, Otsuka K (1989) Development of shape memory alloys. ISIJ Int 29(5):353–377
Mohd Jani J, Leary M, Subic A, Gibson MA (2014) A review of shape memory alloy research, applications and opportunities. Mater Des 56:1078–1113
Morgan NB (2004) Medical shape memory alloy applications—the market and its products. Mater Sci Eng, A 378(1–2):16–23
Duerig TW (2002) The use of superelasticity in modern medicine. MRS Bull 27(2):101–104
Van Humbeeck J (1999) Non-medical applications of shape memory alloys. Mater Sci Eng, A 273–275:134–148
Bhattacharya K (2004) Microstructure of martensite: why it forms and how it gives rise to the shape-memory effect. Oxford University Press, Oxford
Borboni A, Faglia R (2018) Robust design of a shape memory actuator with slider and slot layout and passive cooling control. Microsyst Technol 24(3):1379–1389
Ma J, Karaman I, Noebe RD (2010) High temperature shape memory alloys. Int Mater Rev 55(5):257–315
Yuan ZS, Lin DZ, Cui Y et al (2018) Research progress on the phase transformation behavior, microstructure and property of NiTi based high temperature shape memory alloys. Rare Met Mat Eng 47(7):2269–2274
Ronald N, Tiffany B, Santo P (2006) NiTi-based high-temperature shape-memory alloys. In: Soboyejo WO, Srivatsan TS (eds) Advanced structural materials. CRC Press, Boca Raton
Firstov GS, Van Humbeeck J, Koval YN (2004) High-temperature shape memory alloys: some recent developments. Mater Sci Eng, A 378(1–2):2–10
Bucsek AN, Hudish GA, Bigelow GS, Noebe RD, Stebner AP (2016) Composition, compatibility, and the functional performances of ternary NiTiX high-temperature shape memory alloys. Shape Mem Superelast 2(1):62–79
Buenconsejo PJS, Ludwig A (2014) Composition–structure–function diagrams of Ti–Ni–Au thin film shape memory alloys. ACS Comb Sci 16(12):678–685
Monroe JA, Karaman I, Lagoudas DC, Bigelow G, Noebe RD, Padula S II (2011) Determining recoverable and irrecoverable contributions to accumulated strain in a NiTiPd high-temperature shape memory alloy during thermomechanical cycling. Scripta Mater 65(2):123–126
Kumar PK, Lagoudas DC (2010) Experimental and microstructural characterization of simultaneous creep, plasticity and phase transformation in Ti50Pd40Ni10 high-temperature shape memory alloy. Acta Mater 58(5):1618–1628
Lin B, Gall K, Maier HJ, Waldron R (2009) Structure and thermomechanical behavior of NiTiPt shape memory alloy wires. Acta Biomater 5(1):257–267
Evirgen A, Pons J, Karaman I, Santamarta R, Noebe R (2018) H-phase precipitation and martensitic transformation in Ni-rich Ni–Ti–Hf and Ni–Ti-Zr High-temperature shape memory alloys. Shape Mem Superelast 4(1):85–92
Santamarta R, Evirgen A, Perez-Sierra AM et al (2015) Effect of thermal treatments on Ni-Mn-Ga and Ni-rich Ni-Ti-Hf/Zr high-temperature shape memory alloys. Shape Mem Superelast 1(4):418–428
Elahinia M, Moghaddam NS, Amerinatanzi A et al (2018) Additive manufacturing of NiTiHf high temperature shape memory alloy. Scr Mater 145:90–94
Zhang X, Wang Q, Zhao X, Wang F, Liu QS (2018) Study of Cu-Al-Ni-Ga as high-temperature shape memory alloys. Appl Phys A 124(3):6
Jiang HX, Wang CP, Xu WW et al (2017) Alloying effects of Ga on the Co-V-Si high-temperature shape memory alloys. Mater Des 116:300–308
Perez-Checa A, Feuchtwanger J, Barandiaran JM, Sozinov A, Ullakko K, Chernenko VA (2018) Ni-Mn-Ga-(Co, Fe, Cu) high temperature ferromagnetic shape memory alloys: effect of Mn and Ga replacement by Cu. Scr Mater 154:131–133
Cortie MB, Kealley CS, Bhatia V, Thorogood GJ, Elcombe MM, Avdeev M (2011) High temperature transformations of the Au7Cu5Al4 shape-memory alloy. J Alloy Compd 509(8):3502–3508
Tan C, Cai W, Tian X (2007) Structural, electronic and elastic properties of NbRu high-temperature shape memory alloys. Scr Mater 56(7):625–628
Van Humbeeck J (1997) Shape memory materials: state of the art and requirements for future applications. J Phys IV 7(C5):C5-3–C5-12
Wojcik CC (2009) Properties and heat treatment of high transition temperature Ni-Ti-Hf alloys. J Mater Eng Perform 18(5–6):511–516
Canadinc D, Trehern W, Ozcan H et al (2017) On the deformation response and cyclic stability of Ni50Ti35Hf15 high temperature shape memory alloy wires. Scr Mater 135:92–96
Carl M, Van Doren B, Young ML (2018) In situ synchrotron radiation X-ray diffraction study on phase and oxide growth during a high temperature cycle of a NiTi-20 at.% Zr high temperature shape memory alloy. Shape Mem Superelast 4(1):174–185
Buenconsejo PJS, Kim HY, Miyazaki S (2011) Novel beta-TiTaAl alloys with excellent cold workability and a stable high-temperature shape memory effect. Scr Mater 64(12):1114–1117
Zhang J, Rynko R, Frenzel J, Somsen C, Eggeler G (2014) Ingot metallurgy and microstructural characterization of Ti–Ta alloys. Int J Mater Res 105(2):156–167
Lütjering G, Williams JC (2007) Titanium. Springer, Heidelberg
Kim HY, Miyazaki S (2018) Ni-free Ti-based shape memory alloys. Butterworth-Heinemann, Oxford
Murray JL (1981) The Ta-Ti (Tantalum-Titanium) system. Bull Alloy Phase Diagr 2(1):62–66
Bagarjatskii Y, Nosova G, Tagunova T (1958) Laws of formation of metastable phase in titanium alloys. Dokl Akad Nauk SSSR 122(4):593–596
Petrzhik M, Fedotov S, Kovneristyi YK, Zhebyneva N (1992) Effect of thermal cycling on the structure of quenched alloys of the Ti−Ta−Nb system. Met Sci Heat Treat 34(3):190–193
Kim HY, Fukushima T, Buenconsejo PJS, Nam T-H, Miyazaki S (2011) Martensitic transformation and shape memory properties of Ti-Ta-Sn high temperature shape memory alloys. Mater Sci Eng, A 528(24):7238–7246
Buenconsejo PJS, Kim HY, Miyazaki S (2009) Effect of ternary alloying elements on the shape memory behavior of Ti-Ta alloys. Acta Mater 57(8):2509–2515
Buenconsejo PJS, Kim HY, Hosoda H, Miyazaki S (2009) Shape memory behavior of Ti-Ta and its potential as a high-temperature shape memory alloy. Acta Mater 57(4):1068–1077
Chakraborty T, Rogal J, Drautz R (2015) Martensitic transformation between competing phases in Ti-Ta alloys: a solid-state nudged elastic band study. J Phys: Condens Matter 27:115401
Chakraborty T, Rogal J, Drautz R (2016) Unraveling the composition dependence of the martensitic transformation temperature: a first-principles study of Ti-Ta alloys. Phys Rev B 94(22):224104
Ferrari A, Paulsen A, Frenzel J, Rogal J, Eggeler G, Drautz R (2018) Unusual composition dependence of transformation temperatures in Ti-Ta-X shape memory alloys. Phys Rev Mater 2(7):073609
Rynko R, Marquardt A, Paulsen A, Frenzel J, Somsen C, Eggeler G (2015) Microstructural evolution in a Ti–Ta high-temperature shape memory alloy during creep. Int J Mater Res 106(4):331–341
Niendorf T, Krooss P, Batyrsina E et al (2014) On the functional degradation of binary titanium-tantalum high-temperature shape memory alloys—a new concept for fatigue life extension. Funct Mater Lett 7(4):1450042
Niendorf T, Krooss P, Batyrsina E et al (2015) Functional and structural fatigue of titanium tantalum high temperature shape memory alloys (HT SMAs). Mater Sci Eng, A 620:359–366
Niendorf T, Krooß P, Somsen C et al (2015) Cyclic degradation of titanium–tantalum high-temperature shape memory alloys—the role of dislocation activity and chemical decomposition. Funct Mater Lett 8(6):1550062
Maier HJ, Karsten E, Paulsen A et al (2017) Microstructural evolution and functional fatigue of a Ti-25Ta high-temperature shape memory alloy. J Mater Res 32(23):4287–4295
Abkowitz S, Abkowitz SM, Fisher H, Allen SM (2008) The potential of titanium-tantalum alloys for implantable medical devices. Med Device Mater Iv:124–129
Li YC, Xiong JY, Wong CS, Hodgson PD, Wen C (2009) Ti6Ta4Sn alloy and subsequent scaffolding for bone tissue engineering. Tissue Eng Pt A 15(10):3151–3159
Motemani Y, Kadletz PM, Maier B, et al. (2015) Microstructure, shape memory effect and functional stability of Ti67Ta33 thin films. Adv Eng Mater 17(10):1425-1433
Motemani Y, Buenconsejo PJS, Craciunescu C, Ludwig A (2014) High-temperature shape memory effect in Ti-Ta thin films sputter deposited at room temperature. Adv Mater Interfaces 1(3):140019
Sikka SK, Vohra YK, Chidambaram R (1982) Omega-phase in materials. Prog Mater Sci 27(3–4):245–310
Hickman BS (1968) Omega phase precipitation in titanium alloys. J Met 20(8):A121
Ohmori Y, Ogo T, Nakai K, Kobayashi S (2001) Effects of ω-phase precipitation on beta → α, α ‘ transformations in a metastable β titanium alloy. Mater Sci Eng, A 312(1–2):182–188
Lai MJ, Tasan CC, Zhang J, Grabowski B, Huang LF, Raabe D (2015) Origin of shear induced β to ω transition in Ti–Nb-based alloys. Acta Mater 92:55–63
Banerjee S, Tewari R, Dey GK (2006) Omega phase transformation—morphologies and mechanisms. Int J Mater Res 97(7):963–977
Li T, Kent D, Sha G, Dargusch MS, Cairney JM (2015) The mechanism of ω-assisted α phase formation in near β-Ti alloys. Scr Mater 104:75–78
Prima F et al (2000) ω precipitation in a beta metastable titanium alloy, resistometric study. Mater Trans, JIM 41(8):1092–1097
Li T, Kent D, Sha G et al (2016) New insights into the phase transformations to isothermal ω and ω-assisted α in near β-Ti alloys. Acta Mater 106:353–366
Collings EW (1975) Magnetic studies of omega-phase precipitation and aging in titanium-vanadium alloys. J Less Common Met 39(1):63–90
Frenzel J, George EP, Dlouhy A, Somsen C, Wagner MFX, Eggeler G (2010) Influence of Ni on martensitic phase transformations in NiTi shape memory alloys. Acta Mater 58(9):3444–3458
Lutterotti L (2010) Total pattern fitting for the combined size-strain-stress-texture determination in thin film diffraction. Nucl Instrum Methods B 268(3–4):334–340
Lutterotti L, Gualtieri A, Aldrighetti S (1996) Rietveld refinement using Debye-Scherrer film techniques. Eur Powder Differ 228:29–34
Dippel AC, Liermann HP, Delitz JT (2015) Beamline P02. 1 at PETRA III for high‐resolution and high‐energy powder diffraction. J Synchrotron Radiat 22(3):675–687
Paulsen A (2019) Herstellung, Eigenschaften und Phastenstabilitäten von Hochtemperaturformgedächtnislegierungen auf Basis von Ti-Ta. Thesis, Ruhr-Universität Bochum, Bochum
Feeney JA, Blackburn MJ (1970) Effect of microstructure on the strength, toughness, and stress-corrosion cracking susceptibility of a metastable beta titanium alloy (Ti−11.5 Mo−6Zr−4.5 Sn). Metall Trans 1(12):3309–3323
Rhodes CG, Williams JC (1975) The precipitation of α-phase in metastable β-phase Ti alloys. Metall Trans A 6(11):2103–2114
Williams J, Hickman B, Leslie D (1971) The effect of ternary additions on the decompositon of metastable beta-phase titanium alloys. Metall Trans 2(2):477–484
Chen F, Xu G, Zhang X, Zhou K (2017) Isothermal kinetics of β↔ α transformation in Ti-55531 alloy influenced by phase composition and microstructure. Mater Des 130:302–316
Bönisch M, Panigrahi A, Calin M et al (2017) Thermal stability and latent heat of Nb–rich martensitic Ti-Nb alloys. J Alloy Compd 697:300–309
Aeby-Gautier E, Bruneseaux F, Da Costa Teixeira J, Appolaire B, Geandier G, Denis S (2007) Microstructural formation in Ti alloys: in-situ characterization of phase transformation kinetics. JOM 59(1):54–58
Hui Q, Xue XY, Kou HC, Lai MJ, Tang B, Li JS (2013) Kinetics of the omega phase transformation of Ti-7333 titanium alloy during continuous heating. J Mater Sci 48(5):1966–1972
Wahlbeck PG, Gilles PW (1966) Reinvestigation of the phase diagram for the system titanium-oxygen. J Am Ceram Soc 49(4):180–183
Ikeda M, Komatsu S-Y, Nakamura Y (2002) The effect of Ta content on phase constitution and aging behavior of Ti-Ta binary alloys. Mater Trans 43(12):2984–2990
Ikeda M, Komatsu S-Y, Nakamura Y (2004) Effects of Sn and Zr additions on phase constitution and aging behavior of Ti-50 mass% Ta alloys quenched from β single phase region. Mater Trans 45(4):1106–1112
Barzilai S, Toher C, Curtarolo S, Levy O (2016) Evaluation of the tantalum-titanium phase diagram from ab-initio calculations. Acta Mater 120:255–263
Kadletz PM, Motemani Y, Iannotta J et al (2018) Crystallographic structure analysis of a Ti–Ta thin film materials library fabricated by combinatorial magnetron sputtering. ACS Comb Sci 20(3):137–150
Acknowledgements
The authors acknowledge financial support from Deutsche Forschungsgemeinschaft (DFG) through Projects TP1 (FR2675/3-2), TP2 (SO505/2-2 and EG101/22-2), and TP3 (SCHM930/13-2) in the framework of the research group FOR 1766 “Hochtemperatur-Formgedächtnislegierungen.” We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of this research were carried out at PETRA III and we would like to thank Jozef Bednarcik for assistance in using photon beamline P02.1 and the support laboratory.
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This article is an invited paper selected from presentations at the 2nd International Conference on High-Temperature Shape-Memory Alloys and has been expanded from the original presentation. HTSMA 2018 was held in Irsee, Germany, May 15–18, 2018, and was organized by the German Materials Society (DGM).
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Paulsen, A., Frenzel, J., Langenkämper, D. et al. A Kinetic Study on the Evolution of Martensitic Transformation Behavior and Microstructures in Ti–Ta High-Temperature Shape-Memory Alloys During Aging. Shap. Mem. Superelasticity 5, 16–31 (2019). https://doi.org/10.1007/s40830-018-00200-7
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DOI: https://doi.org/10.1007/s40830-018-00200-7