Evidence of two-length-scale kinetics of R-phase transformation by high-energy X-ray diffraction

Y. D. Wang; Y. Ren; E. W. Huang; G. Wang; Z. H. Nie; L. Zuo; P. K. Liaw

doi:10.1016/j.scriptamat.2010.01.011

Author(s)

Y. D. Wang
E. W. Huang
G. Wang
Z. H. Nie
L. Zuo
P. K. Liaw

Detail(s)

Original language	English
Pages (from-to)	617-620
Journal / Publication	Scripta Materialia
Volume	62
Issue number	8
Publication status	Published - Apr 2010
Externally published	Yes

Link(s)

DOI	DOI https://doi.org/10.1016/j.scriptamat.2010.01.011 Final Published version
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Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-76549123862&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(e08def9d-109d-4988-9fa5-0f3bcc77db39).html

Abstract

The cubic-to-rhombohedral (C-R) phase transition in an AuCd shape memory alloy was investigated by in situ high-energy X-ray diffraction. We present the first direct experimental evidence of two-length-scale phase transition kinetics in this alloy system. It was further found that aging in the R-phase leads to two-way memory "loss", characterized by the reselection of new variants. We attributed this two-way memory "loss" to the internal stresses caused by the defects formed in the off-equilibrium state of the studied AuCd system. © 2010 Acta Materialia Inc.

Research Area(s)

Martensitic phase transformation, Phase transformation kinetics, R-phase, Shape memory alloy, X-ray diffraction (XRD)

Bibliographic Note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Citation Format(s)

[ RIS ] [ BibTeX ]

Evidence of two-length-scale kinetics of R-phase transformation by high-energy X-ray diffraction. / Wang, Y. D.; Ren, Y.; Huang, E. W. et al.
In: Scripta Materialia, Vol. 62, No. 8, 04.2010, p. 617-620.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Wang, YD, Ren, Y, Huang, EW, Wang, G, Nie, ZH, Zuo, L & Liaw, PK 2010, 'Evidence of two-length-scale kinetics of R-phase transformation by high-energy X-ray diffraction', Scripta Materialia, vol. 62, no. 8, pp. 617-620. https://doi.org/10.1016/j.scriptamat.2010.01.011

Wang, Y. D., Ren, Y., Huang, E. W., Wang, G., Nie, Z. H., Zuo, L., & Liaw, P. K. (2010). Evidence of two-length-scale kinetics of R-phase transformation by high-energy X-ray diffraction. Scripta Materialia, 62(8), 617-620. https://doi.org/10.1016/j.scriptamat.2010.01.011

Wang YD, Ren Y, Huang EW, Wang G, Nie ZH, Zuo L et al. Evidence of two-length-scale kinetics of R-phase transformation by high-energy X-ray diffraction. Scripta Materialia. 2010 Apr;62(8):617-620. doi: 10.1016/j.scriptamat.2010.01.011

Wang, Y. D. ; Ren, Y. ; Huang, E. W. et al. / Evidence of two-length-scale kinetics of R-phase transformation by high-energy X-ray diffraction. In: Scripta Materialia. 2010 ; Vol. 62, No. 8. pp. 617-620.