Effects of Heat-treatment Temperature on Shape Memory Characteristics of a Tape-shaped Ti-Ni Alloy Element Fabricated by a Centrifugal Casting Method

Abstract

growing SBO crystals. (A) Voids appear on a growing SBO crystal. Circles and diamonds indicate voids and impurities, respectively. White and black arrows correspond to the directions of crystal growth (the opposite of pulling-down direction) and escape of voids. VG: growth rate; VC: constant rate of voids. (B)–(D) Two modes of inclusion occurrence. Growth conditions: (B) VG < VC; (C) VG ≓ VC; (D) VG > VC.