On the transformation behaviour of NiTi particulate reinforced AA2124 composites

R. R. Thorat; D. D. Risanti; D. San Martín; G. Garces; P. E.J. Rivera Díaz del Castillo; S. van der Zwaag

doi:10.1016/j.jallcom.2008.11.002

On the transformation behaviour of NiTi particulate reinforced AA2124 composites

R. R. Thorat, D. D. Risanti^*, D. San Martín, G. Garces, P. E.J. Rivera Díaz del Castillo, S. van der Zwaag

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

The transformation behaviour of AA2124 alloys reinforced with NiTi particulates of 10 vol pct and 20 vol pct has been studied by differential scanning calorimetry (DSC), thermoelectric power (TEP) and internal friction (IF). Addition of NiTi particulates increases the damping capacity as well as the precipitation kinetics of AA2124 composites with respect to the base AA2124. Heat treatments performed to change the matrix condition do not alter the transformation significantly, other than homogeneising the Al level in the particulates, which is present due to the preceding extrusion treatment. The presence of Al in NiTi stabilizes the R-phase transformation but the M_s remains stable.

Original language	English
Pages (from-to)	307-315
Number of pages	9
Journal	Journal of Alloys and Compounds
Volume	477
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2008.11.002
Publication status	Published - 27 May 2009
Externally published	Yes

Keywords

Calorimetry
Composite materials
Mechanical spectroscopy
Shape memory alloy
Thermoelectric

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10.1016/j.jallcom.2008.11.002

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title = "On the transformation behaviour of NiTi particulate reinforced AA2124 composites",

abstract = "The transformation behaviour of AA2124 alloys reinforced with NiTi particulates of 10 vol pct and 20 vol pct has been studied by differential scanning calorimetry (DSC), thermoelectric power (TEP) and internal friction (IF). Addition of NiTi particulates increases the damping capacity as well as the precipitation kinetics of AA2124 composites with respect to the base AA2124. Heat treatments performed to change the matrix condition do not alter the transformation significantly, other than homogeneising the Al level in the particulates, which is present due to the preceding extrusion treatment. The presence of Al in NiTi stabilizes the R-phase transformation but the Ms remains stable.",

keywords = "Calorimetry, Composite materials, Mechanical spectroscopy, Shape memory alloy, Thermoelectric",

author = "Thorat, {R. R.} and Risanti, {D. D.} and {San Mart{\'i}n}, D. and G. Garces and {Rivera D{\'i}az del Castillo}, {P. E.J.} and {van der Zwaag}, S.",

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AU - Thorat, R. R.

AU - Risanti, D. D.

AU - San Martín, D.

AU - Garces, G.

AU - Rivera Díaz del Castillo, P. E.J.

AU - van der Zwaag, S.

PY - 2009/5/27

Y1 - 2009/5/27

N2 - The transformation behaviour of AA2124 alloys reinforced with NiTi particulates of 10 vol pct and 20 vol pct has been studied by differential scanning calorimetry (DSC), thermoelectric power (TEP) and internal friction (IF). Addition of NiTi particulates increases the damping capacity as well as the precipitation kinetics of AA2124 composites with respect to the base AA2124. Heat treatments performed to change the matrix condition do not alter the transformation significantly, other than homogeneising the Al level in the particulates, which is present due to the preceding extrusion treatment. The presence of Al in NiTi stabilizes the R-phase transformation but the Ms remains stable.

AB - The transformation behaviour of AA2124 alloys reinforced with NiTi particulates of 10 vol pct and 20 vol pct has been studied by differential scanning calorimetry (DSC), thermoelectric power (TEP) and internal friction (IF). Addition of NiTi particulates increases the damping capacity as well as the precipitation kinetics of AA2124 composites with respect to the base AA2124. Heat treatments performed to change the matrix condition do not alter the transformation significantly, other than homogeneising the Al level in the particulates, which is present due to the preceding extrusion treatment. The presence of Al in NiTi stabilizes the R-phase transformation but the Ms remains stable.

KW - Calorimetry

KW - Composite materials

KW - Mechanical spectroscopy

KW - Shape memory alloy

KW - Thermoelectric

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JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

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ER -

On the transformation behaviour of NiTi particulate reinforced AA2124 composites

Abstract

Keywords

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