Spherical indentation hardness of shape memory alloys

Yan, Wenyi, Sun, Qingping and Liu, Hong-Yuan 2006, Spherical indentation hardness of shape memory alloys, Materials science & engineering. A, Structural materials, vol. 425, no. 1-2, pp. 278-285.

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Title Spherical indentation hardness of shape memory alloys
Author(s) Yan, Wenyi
Sun, Qingping
Liu, Hong-Yuan
Journal name Materials science & engineering. A, Structural materials
Volume number 425
Issue number 1-2
Start page 278
End page 285
Publisher Elsevier, SA
Place of publication Lausanne, Switzerland
Publication date 2006-06
ISSN 0921-5093
1873-4936
Keyword(s) shape memory alloys
spherical indentation
hardness
finite element simulations
Summary Using dimensional analysis and the finite element method, the spherical indentation hardness of shape memory alloys (SMAs) is investigated. The scaling relationship between the hardness and the mechanical properties of a SMA, such as the forward transformation stress, the maximum transformation strain magnitude, has been derived. Numerical results demonstrated that the hardness increases with the indentation depth but there is no three-fold relationship between the hardness and the forward transformation stress. Increasing the maximum transformation strain magnitude would reduce the hardness of the material. These research results enhance our understanding of the hardness from the spherical indentation of SMAs.
Notes Available online 5 May 2006.
Language eng
Field of Research 091209 Polymers and Plastics
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003994

Document type: Journal Article
Collection: School of Engineering and Information Technology
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