DOI: 10.4028/www.scientific.net/msf.558-559.927. Mechanically Driven Migration of <100> Tilt Grain Boundaries in Al-Bicrystals

Mechanically Driven Migration of <100> Tilt Grain Boundaries in Al-Bicrystals

10.4028/www.scientific.net/msf.558-559.927

Crossref journal-article

Trans Tech Publications, Ltd.

Materials Science Forum (2457)

Abstract

The stress induced migration of planar grain boundaries in aluminium bicrystals was measured. Symmetrical <100> tilt grain boundaries with misorientation angles in the range between 5.7° and 17.8° were examined. Boundary migration under a shear stress was observed to be ideally coupled to the lateral translation of grains. The measured ratios of the normal boundary motion to the lateral displacement of grains are in an excellent agreement with the respective boundary geometry. The temperature dependence of grain boundary mobility was measured, and the corresponding activation parameters were determined. The activation enthalpy of boundary migration was found to be independent of misorientation angle in the investigated misorientation range and amounts to H=1.44 eV.

Bibliography

Molodov, D. A., Gorkaya, T., & Gottstein, G. (2007). Mechanically Driven Migration of <100> Tilt Grain Boundaries in Al-Bicrystals. Materials Science Forum, 558â559, 927â932.

Authors 3

Dmitri A. Molodov (first)
Tatiana Gorkaya (additional)
Günter Gottstein (additional)

References 17 Referenced 49

C. H. Li, E. H. Edwards, J. Washburn and E. R. Parker: Acta Metall. Vol. 1 (1953), p.223. (10.1016/0001-6160(53)90062-5)
D. W. Bainbridge, C. H. Li and E. H. Edwards: Acta Metall. Vol. 2 (1954), p.322. (10.1016/0001-6160(54)90175-3)
H. Fukutomi and R. Horiuchi: Trans Jap Inst Metals Vol. 22 (1981), p.633. (10.2320/matertrans1960.22.633)
H. Fukutomi and T. Kamijo: Scripta Metall. Vol. 19 (1985), p.195. (10.1016/0036-9748(85)90181-4)
H. Fukutomi, T. Iseki, T. Endo and T. Kamijo: Acta Metall. Mater. Vol. 39 (1991), p.1445. (10.1016/0956-7151(91)90229-T)
H. Yoshida, K. Yokoyama, N. Shibata, Y. Ikuhara and T. Sakuma: Acta Mater. Vol. 52 (2004), p.2349. (10.1016/j.actamat.2004.01.026)
M. Winning, G. Gottstein and L. S. Shvindlerman: Acta Mater. Vol. 49 (2001), p.211. (10.1016/S1359-6454(00)00321-9)
M. Winning: Acta Mater. Vol. 51 (2003), p.6465. (10.1016/j.actamat.2003.06.001)
A. Suzuki and Y. Mishin: Mater Sci Forum Vol. 502 (2005), p.157. (10.4028/www.scientific.net/MSF.502.157)
D. A. Molodov, V. A. Ivanov and G. Gottstein: Acta Mater. (2007), in Press.
J. W. Cahn, Y. Mishin and A. Suzuki: Philos. Mag. Vol. 86 (2006), p.3965. (10.1080/14786430500536909)
J. W. Cahn, Y. Mishin and A. Suzuki: Acta Mater. Vol. 54 (2006), p.4953. (10.1016/j.actamat.2006.08.004)
L. F. Mondolfo: Aluminium Alloys: Structure and Properties, Butterworth, London (1976), p.170.
J. W. Cahn, J. E. Taylor: Acta Mater. Vol. 52 (2004), p.4887. (10.1016/j.actamat.2004.02.048)
W.T. Read and W. Shockley: Phys Rev. Vol. 78 (1950), p.275. (10.1103/PhysRev.78.275)
M. Peach and J. S. Koehler: Phys Rev. Vol. 80 (1950), p.436. (10.1103/PhysRev.80.436)
C. J. Smithells: Smithells Metals Reference Book, Butterworth, London (1983), pp.13-9.

Dates

Type	When
Created	16 years, 5 months ago (March 11, 2009, 3:50 p.m.)
Deposited	4 years, 7 months ago (Jan. 12, 2021, 6:13 p.m.)
Indexed	3 months ago (May 21, 2025, 5:10 p.m.)
Issued	17 years, 10 months ago (Oct. 1, 2007)
Published	17 years, 10 months ago (Oct. 1, 2007)
Published Online	17 years, 10 months ago (Oct. 1, 2007)

Funders 0

None

BibTeX

@article{Molodov_2007, title={Mechanically Driven Migration of <100> Tilt Grain Boundaries in Al-Bicrystals}, volume={558–559}, ISSN={1662-9752}, url={http://dx.doi.org/10.4028/www.scientific.net/msf.558-559.927}, DOI={10.4028/www.scientific.net/msf.558-559.927}, journal={Materials Science Forum}, publisher={Trans Tech Publications, Ltd.}, author={Molodov, Dmitri A. and Gorkaya, Tatiana and Gottstein, Günter}, year={2007}, month=oct, pages={927–932} }

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