Investigation on the Microstructure and High Temperature Mechanical Properties of Al3Ti-Mo3Al Two-Phase Alloys

Seiji Miura; Hiroyuki Shimamura; Kenji Ohkubo; Tetsuo Mohri

doi:10.4028/www.scientific.net/MSF.475-479.837

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HomeMaterials Science ForumMaterials Science Forum Vols. 475-479Investigation on the Microstructure and High...

Investigation on the Microstructure and High Temperature Mechanical Properties of Al₃Ti-Mo₃Al Two-Phase Alloys

Abstract:

Investigation on the crystallographic orientation relationships among D022-Al3Ti, A15-Mo3Al and high temperature bcc phase consisting of an Al-Mo-Ti ternary alloy with an equi-axed two-phase structure was conducted by FESEM/EBSD analysis. The grains of intermetallic phases have certain crystallographic orientations each other, while the crystallographic orientation distributions become random after a high temperature deformation. This strongly suggests the grain boundary sliding and grain rotating govern the high temperature deformation, which is consistent with the fact that the strain-rate sensitivity m is 0.3 or higher during a steady-state compressive deformation.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

837-840

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.837

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Online since:

January 2005

Authors:

Seiji Miura, Hiroyuki Shimamura, Kenji Ohkubo, Tetsuo Mohri

Keywords:

Aluminides, EBSD Analysis, Grain Boundary Sliding (GBS), Grain Rotation

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References

[1] B. Walser, U. Ritter, T. Oyama and O. D. Sherby, Thermomechanical Processing and Mechaical Properties of Hypereutectoid Steels and Cast Irons., eds. by D. R. Lesuer, et al., TMS, Warrendale, USA, (1997), p.67.

Google Scholar

[2] S. Miura, H. Shimamura, J. Fujinaka and T. Mohri, J. Intermetallics, 12(2004), in press.

Google Scholar

[3] R. Nino, S. Miura and T. Mohri, J. Intermetallics, 9(2001), 113.

Google Scholar

[4] R. Nino, J. Fujinaka, H. Shimamura, S. Miura and T. Mohri, J. Intermetallics, 11(2003), 611.

DOI: 10.1016/s0966-9795(03)00049-9

Google Scholar

[5] W. S. Chang and B. C. Muddle, Met. Mat. Trans. A, 28A(1997), 927.

Google Scholar