In-Situ Investigations of the Martensitic Transformation in TiNi by Synchrotron Radiation

[+] Author and Article Information
S. N. Kulkov, Yu. P. Mironov

Institute of Strength Physics and Materials Sciences, RAS, 2/1, pr. Academicheskii, 634021, Tomsk, Russia

J. Eng. Mater. Technol 121(1), 56-60 (Jan 01, 1999) (5 pages) doi:10.1115/1.2816000 History: Received February 05, 1998; Revised July 31, 1998; Online November 27, 2007


By means of synchrotron X-ray diffraction method the stress-induced martensite transformation in TiNi (with two different phase compositions) at room temperature was investigated in situ. It has been shown that in the alloys with temperature-induced martensite in the initial state a nonperiodic fluctuation of intensity of the X-ray reflexes appeared due to anomalous transformation B2 + B19′T → B2 → B19′Si .

Copyright © 1999 by The American Society of Mechanical Engineers
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