Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-28T09:34:44.099Z Has data issue: false hasContentIssue false

Role of deformation twin on texture evolution in cold-rolled commercial-purity Ti

Published online by Cambridge University Press:  31 January 2011

Yong Zhong*
Affiliation:
Innovative Materials Engineering Laboratory, National Institute for Materials Science, Tsukuba 305-0047, Japan
Fuxing Yin
Affiliation:
Innovative Materials Engineering Laboratory, National Institute for Materials Science, Tsukuba 305-0047, Japan
Kotobu Nagai
Affiliation:
Innovative Materials Engineering Laboratory, National Institute for Materials Science, Tsukuba 305-0047, Japan
*
a)Address all correspondence to this author. e-mail: [email protected]
Get access

Abstract

Texture evolution of a commercial-purity titanium (CP-Ti) during cold rolling was studied by means of x-ray diffraction (XRD) and electron back-scattered diffraction (EBSD). Twinning was identified to significantly contribute to deformation up to reductions of about 50%. Based on initial texture of the material investigated and twinning modes available in hexagonal close-packed (HCP) structures, the measured texture evolution can be interpreted in terms of (i) compressive twinning ({11¯22}〈11¯2¯3〉) within the two dominant initial texture components B ({0001}〈10¯10〉±40°TD) and E ({0001}〈11¯20〉±40°TD) and (ii) followed by tensile twinning ({10¯12}〈10¯1¯1〉) in the then-favorably reoriented twinned part. Reduction of grain size at high deformation inhibits further twinning and results in a stable texture evolution driven exclusively by dislocation slip. During cold rolling, the crystals of the initial texture component B first rotate to orientation M ({01¯10}〈2¯1¯12〉) by compressive twinning (primary), and then orientation M rotates to orientation D ({0001}〈11¯20〉) by tensile twinning (secondary). Meanwhile, the crystals of the initial component E first rotate to the orientation M′ ({14¯53}〈6¯5¯13〉) by compressive twinning (primary), and then orientation M′ rotates to the orientation A ({0001}〈10¯10〉) by tensile twinning (secondary). At higher deformation level, twinning was significantly depressed by strongly refined grain size, which resulted in the elimination of the transient texture components caused by slip. These results are useful for the prediction and control of the texture in titanium.

Type
Articles
Copyright
Copyright © Materials Research Society 2008

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

1Bunge, H.J.: The general description on texture. Z. Metallkd. 56, 872 1965Google Scholar
2Divinski, S.V.: Effect of phase transformation on texture formation in Ti-base alloys. Mater. Sci. Eng., A 243, 201 1998Google Scholar
3Gey, N., Humbert, M.: Characterization of the variant selection occurring during the α → β → α phase transformations of a cold rolled titanium sheet. Acta Mater. 50, 277 2002CrossRefGoogle Scholar
4Klimanek, P., Potzsch, A.: Microstructure evolution under compressive plastic deformation of magnesium at different temperatures and strain rates. Mater. Sci. Eng., A 324, 145 2002Google Scholar
5Mukai, T., Yamanoi, M., Watanabe, H., Higashi, K.: Ductility enhancement in AZ31 magnesium alloy by controlling its grain structure. Scr. Mater. 45, 89 2001Google Scholar
6Larson, F., Zarkades, A.: Properties of Textured Titanium Alloys Battelle—Columbus Laboratories, Ohio Metals and Ceramics Information Center, Columbus, OH, 1974CrossRefGoogle Scholar
7Inagaki, H.: Development of cold-rolling textures in pure Ti. Z. Metallkd. 82, 779 1991Google Scholar
8Inagaki, H.: Texture and mechanical anisotropy in cold-rolled and annealed pure Ti sheets. Z. Metallkd. 83, 40 1992Google Scholar
9Williams, D.N., Eppelsheimer, D.S.: The cold rolled texture of titanium. Trans. AIME 197, 1378 1953Google Scholar
10Dervin, P., Mardon, J.P., Pernot, M., Penelle, R., Lacombe, P.: Application of 3-dimensional representation of textures to study of evolution of titanium recrystallization and rolling textures. J. Less-Common Met. 55, 25 1977Google Scholar
11Singh, A.K., Schwarzer, R.A.: Texture and anisotropy of mechanical properties in titanium and its alloys. Z. Metallkd. 91(9), 702 2000Google Scholar
12Morris, P.R., Heckler, A.J.: Crystallite orientation analysis for rolled hexagonal materials. Trans. AIME 245, 1877 1969Google Scholar
13Moustahfid, H., Humbert, M., Philippe, M.J.: Modeling of the texture transformation in a Ti-64 sheet after hot compression. Acta Mater. 45, 3785 1997Google Scholar
14Elias, J.A., Heckler, A.J.: Complete pole figure determination by composite sampling techniques. Trans. Met. Soc. AIME 239, 1237 1967Google Scholar
15Lee, H.P., Esling, C., Bunge, H.J.: Development of the rolling texture in titanium. Textures Microstruct. 7, 317 1988Google Scholar
16Thornburg, D.R., Piehle, H.R.: Cold-rolling texture development in titanium and titanium-aluminum alloys in Titanium Science and Technology Proc. of The Metallurgical Society of AIME 2 edited by R.I. Jaffee and H.M. Burte Plenum Press New York 1973 1187Google Scholar
17Calnan, E.A., Clews, J.B.: The development of deformation textures in metals. Part 3. Hexagonal structures. Philos. Mag. 42, 919 1951Google Scholar
18Philippe, M.J., Serghat, M., Vanhoutte, P., Esling, C.: Modeling of texture evolution for materials of hexagonal symmetry. Part 2. Application to zirconium and titanium alpha-alloys or near-alpha-alloys. Acta Metall. Mater. 43, 1619 1995Google Scholar
19Wu, X.P., Kalidindi, S.R., Necker, C., Salem, A.A.: Prediction of crystallographic texture evolution and anisotropic stress–strain curves during large plastic strains in high purity alpha-titanium using a Taylor-type crystal plasticity model. Acta Mater. 55, 423 2007CrossRefGoogle Scholar
20Wang, Y.N., Huang, J.C.: Texture analysis in hexagonal materials. Mater. Chem. Phys. 81, 11 2003Google Scholar
21Partridge, P.G.: The crystallography and deformation modes of hexagonal close-packed metals. Met. Rev. 12(118), 169 1967CrossRefGoogle Scholar
22Phillipe, M.J.: Texture formation in hexagonal materials. Mater. Sci. Forum 157–162,, 1337 1994Google Scholar
23Fundenberger, J.J., Phillipe, M.J., Wagner, F., Esling, C.: Modelling and prediction of mechanical properties for materials with hexagonal symmetry (zinc, titanium and zirconium alloys). Acta Mater. 45, 4041 1997CrossRefGoogle Scholar
24Agnew, S.R., Yoo, M.H., Tome, C.N.: Application of texture simulation to understanding mechanical behavior of Mg and solid-solution alloys containing Li or Y. Acta Mater. 49, 4277 2001CrossRefGoogle Scholar
25Randle, V.: A methodology for grain boundary plane assessment by single-section trace analysis. Scr. Mater. 44, 2789 2001CrossRefGoogle Scholar
26Hu, Y., Randle, V.: An electron backscatter diffraction analysis of misorientation distributions in titanium alloys. Scr. Mater. 56, 1051 2007CrossRefGoogle Scholar
27Chun, Y.B., Yu, S.H., Semiatin, S.L., Hwang, S.K.: Effect of deformation twinning on microstructure and texture evolution during cold rolling of CP-titanium. Mater. Sci. Eng., A 398, 209 2005CrossRefGoogle Scholar
28Takayama, Y., Miura, T., Kato, H., Watanabe, H.: Microstructural and textural evolution by continuous cyclic bending and annealing in a high purity titanium. Mater. Trans. 45(9), 2826 2004Google Scholar
29Bunge, H.J.: Texture Analysis in Materials Science Butterworth London 1982Google Scholar
30Yoo, M.H.: Slip, twinning, and fracture in hexagonal close-packed metals. Metall. Mater. Trans. A 12, 409 1981Google Scholar
31Mironov, S.Y., Myshiyaev, M.M.: Evolution of dislocation boundaries during cold deformation of microcrystalline titanium. Phys. Solid State 49(5), 858 2007Google Scholar
32Wright, S.I., Larsen, R.J.: Extracting twins from orientation imaging microscopy scan data. J. Microsc. (Oxford) 205, 245 2002Google Scholar
33Gey, N., Humbert, M., Philippe, M.J., Combres, Y.: Modeling the transformation texture of Ti-64 sheets after rolling in the beta-field. Mater. Sci. Eng., A 230, 68 1997Google Scholar
34Bunge, H.J., Roberts, W.T.: Orientation distribution, elastic and plastic anisotropy in stabilized steel sheet. J. Appl. Crystallogr. 2, 116 1969Google Scholar
35Jiang, L., Jonas, J.J., Mishra, R.K., Luo, A.A., Sachdev, A.K., Godet, S.: Twinning and texture development in two Mg alloys subjected to loading along three different strain paths. Acta Mater. 55(11), 3899 2007CrossRefGoogle Scholar
36Battaini, M., Pereloma, E.V., Davies, C.H.J.: Orientation effect on mechanical properties of commercially pure titanium at room temperature. Metall. Mater. Trans. A 38(2), 276 2007Google Scholar
37Philippe, M.J., Esling, C., Hocheid, B.: Role of twinning in texture development and in plastic-deformation of hexagonal materials. Textures Microstruct. 7, 265 1988CrossRefGoogle Scholar
38Salinas-Rodriguez, A.: Grain size effects on the texture evolution of α-Zr. Acta Metall. Mater. 43, 485 1995Google Scholar
39Christian, J.W., Mahajan, S.: Deformation twinning. Prog. Mater. Sci. 39, 1 1995Google Scholar
40Thornburg, D.R., Piehler, H.R.: Analysis of constrained deformation by slip and twinning in hexagonal close packed metals and alloys. Metall. Trans. A 6, 1511 1975CrossRefGoogle Scholar