Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys
K. F. Hane, T. W. Shield
Aerospace Engineering and Mechanics
Microstructure in the cubic to monoclinic transition in the technologically important Ti-Ni shape memory alloys is considered. Using a geometrically nonlinear theory of martensitic transformations, the twinned martensite, austenite-martensite, wedge, triangle, and diamond microstructures are studied. Specifically, compound, type I, and type II twins are possible for any choice of the lattice parameters; while, non-standard twins may exist with special lattice parameters only. In addition, 192 habit planes are found for a particular Ti-Ni alloy, but only 24 have been unambiguously observed in experiments. Further, the twinned wedge is possible in this alloy, but the triangle and diamond are not. These latter three are special microstructures, which provide a mechanism through which a specimen can easily transform and are possible only for alloys with specific lattice parameters. A complete enumeration of the various microstructures is given, and algorithms are presented so that the calculations can be repeated with different lattice parameters.
Acta Materialia
The support of the National Science Foundation (grant # NSF MSS-9257945) and the Office of Naval Research (grant # ONR N/N00014-91-J-4034) is gratefully acknowledged. Also, we thank Perry Leo for his comments which led us to reconsider the components of the martensite variants.
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Lattice constants Engineering & Materials Science 100%
Shape Memory Alloys Chemical Compounds 99%
Shape memory effect Engineering & Materials Science 72%
Lattice Parameter Chemical Compounds 65%
Titanium Engineering & Materials Science 65%
Nickel Engineering & Materials Science 62%
Microstructure Chemical Compounds 45%
Martensite Engineering & Materials Science 35%
Hane, K. F., & Shield, T. W. (1999). Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys. Acta Materialia, 47(9), 2603-2617. https://doi.org/10.1016/S1359-6454(99)00143-3
Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys. / Hane, K. F.; Shield, T. W.
In: Acta Materialia, Vol. 47, No. 9, 09.07.1999, p. 2603-2617.
Hane, KF & Shield, TW 1999, 'Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys', Acta Materialia, vol. 47, no. 9, pp. 2603-2617. https://doi.org/10.1016/S1359-6454(99)00143-3
Hane KF, Shield TW. Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys. Acta Materialia. 1999 Jul 9;47(9):2603-2617. doi: 10.1016/S1359-6454(99)00143-3
Hane, K. F. ; Shield, T. W. / Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys. In: Acta Materialia. 1999 ; Vol. 47, No. 9. pp. 2603-2617.
@article{349b17cfd3574ba691e285d0cb196a29,
title = "Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys",
abstract = "Microstructure in the cubic to monoclinic transition in the technologically important Ti-Ni shape memory alloys is considered. Using a geometrically nonlinear theory of martensitic transformations, the twinned martensite, austenite-martensite, wedge, triangle, and diamond microstructures are studied. Specifically, compound, type I, and type II twins are possible for any choice of the lattice parameters; while, non-standard twins may exist with special lattice parameters only. In addition, 192 habit planes are found for a particular Ti-Ni alloy, but only 24 have been unambiguously observed in experiments. Further, the twinned wedge is possible in this alloy, but the triangle and diamond are not. These latter three are special microstructures, which provide a mechanism through which a specimen can easily transform and are possible only for alloys with specific lattice parameters. A complete enumeration of the various microstructures is given, and algorithms are presented so that the calculations can be repeated with different lattice parameters.",
author = "Hane, {K. F.} and Shield, {T. W.}",
note = "Funding Information: The support of the National Science Foundation (grant # NSF MSS-9257945) and the Office of Naval Research (grant # ONR N/N00014-91-J-4034) is gratefully acknowledged. Also, we thank Perry Leo for his comments which led us to reconsider the components of the martensite variants. ",
journal = "Acta Materialia",
T1 - Microstructure in the cubic to monoclinic transition in titanium-nickel shape memory alloys
AU - Hane, K. F.
AU - Shield, T. W.
N1 - Funding Information: The support of the National Science Foundation (grant # NSF MSS-9257945) and the Office of Naval Research (grant # ONR N/N00014-91-J-4034) is gratefully acknowledged. Also, we thank Perry Leo for his comments which led us to reconsider the components of the martensite variants.
N2 - Microstructure in the cubic to monoclinic transition in the technologically important Ti-Ni shape memory alloys is considered. Using a geometrically nonlinear theory of martensitic transformations, the twinned martensite, austenite-martensite, wedge, triangle, and diamond microstructures are studied. Specifically, compound, type I, and type II twins are possible for any choice of the lattice parameters; while, non-standard twins may exist with special lattice parameters only. In addition, 192 habit planes are found for a particular Ti-Ni alloy, but only 24 have been unambiguously observed in experiments. Further, the twinned wedge is possible in this alloy, but the triangle and diamond are not. These latter three are special microstructures, which provide a mechanism through which a specimen can easily transform and are possible only for alloys with specific lattice parameters. A complete enumeration of the various microstructures is given, and algorithms are presented so that the calculations can be repeated with different lattice parameters.
AB - Microstructure in the cubic to monoclinic transition in the technologically important Ti-Ni shape memory alloys is considered. Using a geometrically nonlinear theory of martensitic transformations, the twinned martensite, austenite-martensite, wedge, triangle, and diamond microstructures are studied. Specifically, compound, type I, and type II twins are possible for any choice of the lattice parameters; while, non-standard twins may exist with special lattice parameters only. In addition, 192 habit planes are found for a particular Ti-Ni alloy, but only 24 have been unambiguously observed in experiments. Further, the twinned wedge is possible in this alloy, but the triangle and diamond are not. These latter three are special microstructures, which provide a mechanism through which a specimen can easily transform and are possible only for alloys with specific lattice parameters. A complete enumeration of the various microstructures is given, and algorithms are presented so that the calculations can be repeated with different lattice parameters.
JO - Acta Materialia
JF - Acta Materialia