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Number of results

Journal

2003 | 1 | 2 | 235-245

Article title

Elastic shape memory effect in In-Pb alloys in the temperature range 0.48–180 K

Content

Title variants

Languages of publication

EN

Abstracts

EN
Pseudoelasticity caused by pseudotwinning in short-range ordered In-Pb alloys (6, 8 and 11.6 at. % Pb) is studied in the temperature range 0.48–180 K. The mechanical hysteresis parameters, namely, the thermodynamic stress τT which provides the reversibility of plastic deformation and the frictional stress τf which characterizes the resistance offered by crystal lattice and its defects to twin boundaries motion are estimated. It is found that athermal processes determine the reversible deformation: the mechanical parameters τT and τf do not depend on temperature and strain rate. The stress τT increases and the stress τf decreases with increasing Pb content. One of the main conditions of the exhibition of superelasticity is the fulfillment of the inequality τT>τf.

Publisher

Journal

Year

Volume

1

Issue

2

Pages

235-245

Physical description

Dates

published
1 - 6 - 2003
online
1 - 6 - 2003

Contributors

author
  • B. Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine
author
  • B. Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine
author
  • B. Verkin Institute for Low Temperature Physics and Engineering, National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine

References

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  • [2] J.W. Cahn: “Thermodynamic and structural changes in deformation twinning of alloys”, Acta Metall., Vol. 25, (1977), pp. 1021–1026. http://dx.doi.org/10.1016/0001-6160(77)90130-4[Crossref]
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  • [4] S.V. Lubenets, L.S. Fomenko, V.I. Startsev: “Influence of cyclic loading on superelastic deformation parameters of indium-lead alloys”, Fiz. Met. Metalloved., Vol. 64, (1987), pp. 975–982.
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  • [6] T. Ungár, H. Mugrabi, D. Rönnpagel, M. Wilkens: “X-ray line-broadening study of the dislocation structure in deformed [001]-oriented copper single crystals”, Acta Metall., Vol. 32, (1984), pp. 333–342. http://dx.doi.org/10.1016/0001-6160(84)90106-8[Crossref]
  • [7] S.V. Lubenets, V.I. Startsev, L.S. Fomenko: “About a dislocation revealing in Pb and In crystals”, Fiz. Nizk. Temp., No. 20, 1972), pp. 13–17.
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  • [9] L.S. Fomenko and S.V. Lubenets: “Slip-twinning transition in In-Pb alloys”, Fiz. Met. Metalloved., Vol. 57, (1984), pp. 1193–1197.
  • [10] S.V. Lubenets, V.I. Startsev, L.S. Fomenko: “Superelasticity of In-Pb single crystals alloys”, Fiz. Met. Metalloved., Vol. 52, (1981), pp. 870–879.
  • [11] T.A. Schroeder and C.M. Wayman: “Pseudoelastic effects in Cu−Zn single crystals”, Acta Metal., Vol. 27, (1979), pp. 405–417. http://dx.doi.org/10.1016/0001-6160(79)90033-6[Crossref]
  • [12] A. Seeger: “The mechanism of glide and work hardening in face-centered cubic and hexagonal close-packed metals”, In: Dislocations and Mechanical Properties of Crystals, an International Conference held at Lake Placid, New York, September 6–8, 1956, Wiley, New York, 1956, pp. 243–329.
  • [13] V.S. Boîko: “Dislocation description of the motion of a residual twin boundary”, Sov. Phys.-Solid State, Vol. 22, (1980), pp. 621–624.
  • [14] V.S. Boîko, R.I. Garber, A.M. Kosevich: Reversible Plasticity of Crystals, Nauka, Moscow, 1991.
  • [15] W. Pfeiler: “Investigation of short-range order by electrical resistivity measurement”, Acta Metall., Vol. 36, (1988), pp. 2417–2434. http://dx.doi.org/10.1016/0001-6160(88)90192-7[Crossref]

Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_BF02476294
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