Cast NiTi shape-memory alloys

Journal Article (Journal Article)

The structure and properties of shape memory alloys such as nickel and titanium was studied. Nickel and titanium were melted in a graphite crucible, and the melt was poured in a mild steel cylindrical mold with a wall thickness of 2.54 cm. Single crystals were grown from the 50.9 cast material using the modified Bridgeman technique in an atmosphere of inert gas and were then homogenized in a vacuum furnace for 24 hours at 1000°C and quenched in water at ambient temperature. It was shown that the sensitivity of the higher nickel compositions to heat treatment allows for simple tailoring of properties and also indicated a higher sensitivity to solidification conditions.

Full Text

Duke Authors

Cited Authors

  • Ortega, AM; Tyber, J; Frick, CP; Gall, K; Maier, HJ

Published Date

  • June 1, 2005

Published In

Volume / Issue

  • 7 / 6

Start / End Page

  • 492 - 507

International Standard Serial Number (ISSN)

  • 1438-1656

Digital Object Identifier (DOI)

  • 10.1002/adem.200400173

Citation Source

  • Scopus