Amorphous Phase Formation in NiTi During Cold Rolling Academic Article uri icon

abstract

  • AbstractThe intermetallic compound NiTi was cold rolled at room temperature. Amorphous bands were formed within the finely twined crystalline matrix after thickness reduction of 60%. Striking similarities were observed in microstructural morphology between amorphous bands and shear bands that are generally observed in heavily cold-rolled pure metals. We suggest from the present observations together with the reported results in other solid-state amorphization experiments that the amorphous bands are produced in the shear bands, and that amorphization is caused by mechanical instability against the shear stress.

published proceedings

  • MRS Advances

author list (cited authors)

  • Koike, J., Parkin, D. M., & Nastasi, M.

citation count

  • 0

publication date

  • 1990