Hostname: page-component-cd9895bd7-mkpzs Total loading time: 0 Render date: 2024-12-28T00:20:11.168Z Has data issue: false hasContentIssue false
  • English
  • Français

Formation mechanism of the high-speed deformation characteristic microstructure based on dislocation slipping and twinning in α-titanium

Published online by Cambridge University Press:  21 November 2016

Tongbo Wang ,
Bolong Li ,
Zhenqiang Wang  and
Zuoren Nie
Tongbo Wang
Affiliation:
College of Material Science and Engineering, Beijing University of Technology, Beijing 100124, China
Bolong Li*
Affiliation:
College of Material Science and Engineering, Beijing University of Technology, Beijing 100124, China
Zhenqiang Wang
Affiliation:
College of Material Science and Engineering, Beijing University of Technology, Beijing 100124, China
Zuoren Nie*
Affiliation:
College of Material Science and Engineering, Beijing University of Technology, Beijing 100124, China
*
a) Address all correspondence to these authors. e-mail: blli@bjut.edu.cn
b) e-mail: zrnie@bjut.edu.cn
Get access

Abstract

As-annealed commercial pure titanium (grade 1) was selected as a model material whose crystalline structure was hexagonal close-packed. The evolution of the microstructure and micro-orientation induced by high-speed compression was characterized to elaborate the formation mechanism of the high-speed deformation characteristic microstructure in α-titanium. Twinning played a coordinating role for dislocation slipping that was the main plastic deformation mechanism. The high-speed deformation characteristic microstructure of as-annealed commercial pure titanium was an adiabatic shear band (ASB) with an average width of 50 μm at a strain rate of 5400 s−1, whose initial grains were 0.5–1.0 μm in size. The formation and extension of ASB were attributed to the interaction between the shear stress and the adiabatic temperature rise. A formation model of ASB in α-Ti was proposed in terms of the formation mechanism of the high-speed deformation characteristic microstructure.

Keywords

commercial pure titaniumadiabatic shear banddislocation slippingtwinning
Type
Articles
Information
Journal of Materials Research , Volume 31 , Issue 24 , 28 December 2016 , pp. 3907 - 3918
Check for updates
Copyright
Copyright © Materials Research Society 2016 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Xu, Y.B. and Bai, Y.L.: Shear localization, microstructure evolution and fracture under high-strain rate. Adv. Appl. Mech. 37, 496 (2007).Google Scholar
Bai, Y.L., Xue, Q., Xu, Y.B., and Shen, L.T.: Characteristics and microstructure in the evolution of shear localization in Ti–6A1–4V alloy. Mech. Mater. 17, 155 (1994).Google Scholar
Xu, S.W., Kamado, S., and Honma, T.: Recrystallization mechanism and the relationship between grain size and Zener–Hollomon parameter of Mg–Al–Zn–Ca alloys during hot compression. Scr. Mater. 63, 293 (2010).Google Scholar
Andrade, U. and Meyers, M.A.: Dynamic recrystallization in high-strain, high strain rate plastic deformation of copper. Acta Mater. 42, 3183 (1988).CrossRefGoogle Scholar
Hines, J.A.: A model for microstructure evolution in adiabatic shear bands. Metall. Mater. Trans. A 29, 191 (1998).Google Scholar
Nesterenko, V.F. and Meyers, M.A.: Shear localization and recrystallization in high-strain, high-strain-rate deformation of tantalum. Mater. Sci. Eng., A 229, 23 (1997).Google Scholar
Hines, J.A. and Vecchio, K.S.: Recrystallization kinetics within adiabatic shear bands. Acta Mater. 45, 635 (1997).Google Scholar
Mcqueen, H.J.: Initiating nucleation of dynamic recrystallization, primarily in polycrystals. Mater. Sci. Eng., A 101, 149 (1988).Google Scholar
Xu, Y.B., Zhang, J.H., and Bai, Y.L.: Shear localization in dynamic deformation: Microstructural evolution. Mater. Trans. A 39A, 811 (2008).Google Scholar
Murr, L.E., Ramire, A.C., Gaytan, S.M., Lope, M.I., Martinez, E.Y., Hernande, D.H., and Martine, E.: Microstructure evolution associated with adiabatic shear bands and shear band failure in ballistic plug formation in Ti–6Al–4V targets. Mater. Sci. Eng., A 516, 205 (2009).Google Scholar
Banerjeea, D. and Williams, J.C.: Perspectives on titanium science and technology. Acta Mater. 61, 844 (2013).Google Scholar
Ge, P., Zhao, Y.Q., and Zhou, L.: Material development as viewed from study of titanium alloys used in missile warhead. Mater. Rev. 17, 26 (2003).Google Scholar
Yang, Y. and Wang, B.F.: Dynamic recrystallization in adiabatic shear band in α-titanium. Mater. Lett. 60, 2198 (2006).Google Scholar
Xu, Y.B., Bai, Y.L., and Meyers, M.: Deformation, phase transformation and recrystallization in the shear bands induced by high-strain rate loading in titanium and its alloys. J. Mater. Sci. Technol. 22, 737 (2006).Google Scholar
Peirs, J., Tirry, W., Amin-Ahmadi, B., Coghec, F., Verleysen, P., Rabet, L., Schryvers, D., and Degrieck, J.: Microstructure of adiabatic shear bands in Ti6Al4V. Mater. Charact. 75, 79 (2013).Google Scholar
Bhav Singh, B. and Sukumar, G.: Effect of heat treatment on ballistic impact behavior of Ti–6Al–4V against 7.62 mm deformable projectile. Mater. Des. 36, 640 (2016).CrossRefGoogle Scholar
Li, Q., Xu, Y.B., and Bassim, M.N.: Dynamic mechanical behavior of pure titanium. J. Mater. Process. Technol. 155–156, 1889 (2004).Google Scholar
Yang, Y., Zhang, X.M., Li, Z.H., and Li, Q.Y.: Adiabatic shearing phenomenon of titanium under explosion clad shock loading. J. Cent. South Inst. Min. Metall. 25, 485 (1994).Google Scholar
Peng, Z.Z., Jonsson, S., and Roven, H.J.: The effects of deformation conditions on microstructure and texture of commercially pure Ti. Acta Mater. 57, 5822 (2009).Google Scholar
Gurao, N.P., Kapoor, R., and Suwas, S.: Deformation behavior of commercially pure titanium at extreme strain rate. Acta Mater. 59, 3431 (2001).Google Scholar
Tu, J., Zhang, X.Y., Lou, C., and Liu, Q.: HREM investigation of {10−12} twin boundary and interface defects in deformed polycrystalline cobalt. Phil. Mag. Lett. 93, 292 (2013).Google Scholar
Zhang, X.Y., Tu, J., and Liu, Q.: High-resolution electron microscopy study of the {10−11} twin boundary and twinning dislocation analysis in deformed polycrystalline cobalt. Scr. Mater. 67, 991 (2012).Google Scholar
Chang, Y.Z.: Anisotropy and Microstructural Observation of the Dynamic Mechanical Properties of Pure Titanium under High Strain Rate in TA2 (Central South University, Changsha, 2008).Google Scholar
Yoo, M.H.: Slip, twinning, and fracture in hexagonal close-packed metals. Metall. Mater. Trans. A 12A, 409 (1981).Google Scholar
Daridona, L., Oussouaddib, O., and Ahzi, S.: Influence of the material constitutive models on the adiabatic shear band spacing: MTS, power law and Johnson–cook models. Int. J. Solids Struct. 41, 3109 (2004).Google Scholar
Wang, T.B., Li, B.L., Wang, Z.Q., Li, Y.C., and Nie, Z.R.: Influence mechanism of the initial dislocation boundary on the adiabatic shear sensitivity of commercial pure titanium. Mater. Sci. Eng., A 676, 1 (2016).Google Scholar
Xu, Y.B., Zhong, W.L., and Chen, Y.J.: Shear localization and recrystallization in dynamic deformation of 8090 Al–Li alloy. Mater. Sci. Eng., A 299, 287 (2001).Google Scholar