POSITRON ANNIHILATION STUDY OF THERMOELASTIC MARTENSITE STABILIZATION IN A THERMALLY CYCLED CuZnAl ALLOY--A DISCUSSION OF ORIGIN OF THERMOELASTIC MARTENSITE STABILIZATION

doi:10.1088/1004-423X/7/10/010

Abstract

Abstract The thermally cycled samples of Cu-23at%Zn-10at%Al have been studied by means of positron annihilation. It is shown that vacancies and their movement seem to be the leading factors resulting in thermoelastic martensite stabilization based on the fact that stabilization was no longer present and the great decrease of positron parameters after the samples in martensite were thermally cycled.

Received: 24 November 1997
Revised: 13 April 1998
Accepted manuscript online:

PACS:	78.70.Bj	(Positron annihilation)
	61.82.Bg	(Metals and alloys)
	81.40.Jj	(Elasticity and anelasticity, stress-strain relations)
	81.30.Kf	(Martensitic transformations)
	62.20.D-	(Elasticity)

Fund: Project supported by the Shanghai State Key Laboratory of Metal-Functional Materials, China.

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Wang Jing-cheng (王景成), You Fu-qiang (尤富强), Shao Zi-chang (邵自昌), Qi Jin-lin (祁金林), Tang Xue-feng (汤学峰) POSITRON ANNIHILATION STUDY OF THERMOELASTIC MARTENSITE STABILIZATION IN A THERMALLY CYCLED CuZnAl ALLOY--A DISCUSSION OF ORIGIN OF THERMOELASTIC MARTENSITE STABILIZATION 1998 Acta Physica Sinica (Overseas Edition) 7 784

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POSITRON ANNIHILATION STUDY OF THERMOELASTIC MARTENSITE STABILIZATION IN A THERMALLY CYCLED CuZnAl ALLOY--A DISCUSSION OF ORIGIN OF THERMOELASTIC MARTENSITE STABILIZATION

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