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Author Dağdelen, Fethi ♦ Malkoç, Türkan ♦ Kök, Mediha ♦ Ercan, Ercan
Source SpringerLink
Content type Text
Publisher Springer Berlin Heidelberg
File Format PDF
Copyright Year ©2016
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Physics
Subject Keyword Applied and Technical Physics ♦ Theoretical, Mathematical and Computational Physics ♦ Statistical Physics, Dynamical Systems and Complexity ♦ Condensed Matter Physics ♦ Atomic, Molecular, Optical and Plasma Physics
Abstract In this study, two-phase Co-Ni-Al shape memory alloys that have drawn attention recently due to their technological applications were investigated. Co-Ni-Al and Co-Ni-Al-Cr alloys were produced by melting method in an arc-melter furnace and physical properties between alloys were compared. At the end of experimental measurements it was observed that chromium addition did not change the crystal structure of the Co-Ni-Al alloy, but decreased the martensitic transformation temperature, the most significant property of shape memory alloys. Moreover, there was no significant change in the microstructure of the Co-Ni-Al alloy with chromium addition, and the presence of the two phases determined by X-ray analysis was also determined by optical microscopy. There was no significant change in micro hardness values of the alloys, while important changes in the magnetic properties were determined. It was observed that the Curie temperature decreased by approximately 500 ${}^{\circ}$ C with chromium addition and a considerable decrease in the magnetic saturation value was also determined.
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2016-06-15
Publisher Place Berlin, Heidelberg
e-ISSN 21905444
Journal The European Physical Journal Plus
Volume Number 131
Issue Number 6
Page Count 6
Starting Page 1
Ending Page 6

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Source: SpringerLink