TY - JOUR
T1 - Effect of C/O Ratio on Phase Change and Stability of Inclusions in Ti–Ni Alloys Fabricated by a Commercial Production Process
AU - Yamashita, Fumiyoshi
AU - Ide, Yasunori
AU - Akamine, Hiroshi
AU - Ishikawa, Kouji
AU - Nishida, Minoru
PY - 2020/9/1
Y1 - 2020/9/1
N2 - The effects of carbon/oxygen concentrations in Ti-51 at.% Ni on the morphology and phase changes of inclusions in a commercial wire manufacturing process were investigated. Whereas cast material fabricated with a carbon to oxygen mass concentration ratio (C/O ratio) of 1.0–1.5 were found to contain single-phase Ti(C,O), when hot working was performed, some of the Ti(C,O) exhibited a phase change to Ti2Ni(O), and a mixed phase structure was found in specimens with a C/O ratio of less than 1.5. On the other hand, single-phase Ti(C,O) was found to remain in the wire produced from the specimens with a C/O ratio of 1.5.
AB - The effects of carbon/oxygen concentrations in Ti-51 at.% Ni on the morphology and phase changes of inclusions in a commercial wire manufacturing process were investigated. Whereas cast material fabricated with a carbon to oxygen mass concentration ratio (C/O ratio) of 1.0–1.5 were found to contain single-phase Ti(C,O), when hot working was performed, some of the Ti(C,O) exhibited a phase change to Ti2Ni(O), and a mixed phase structure was found in specimens with a C/O ratio of less than 1.5. On the other hand, single-phase Ti(C,O) was found to remain in the wire produced from the specimens with a C/O ratio of 1.5.
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U2 - 10.1007/s40830-020-00302-1
DO - 10.1007/s40830-020-00302-1
M3 - Article
AN - SCOPUS:85090467173
VL - 6
SP - 354
EP - 364
JO - Shape Memory and Superelasticity
JF - Shape Memory and Superelasticity
SN - 2199-384X
IS - 3
ER -