@article{oai:nifs-repository.repo.nii.ac.jp:00011197,
 author = {MIYAZAWA, Takeshi and NAGASAKA,  Takuya and HISHINUMA,  Yoshimitsu and MUROGA,  Takeo and LI, Yanfen and SATOH, Yuhki and KIM, Sawoong and ABE, Hiroaki},
 journal = {Plasma and Fusion Research},
 month = {Dec},
 note = {0000-0001-6564-8922, Reduction of interstitial impurities such as nitrogen (N) and oxygen (O) improves the mechanical properties of V-4Cr-4Ti alloys. Yttrium (Y) addition effectively reduces O content by Y2O3 slag-out on the melting ingot surface. The effects of Y addition on mechanical properties were investigated for V-4Cr-4Ti with N ranging from 0.009 to 0.29 mass% and O ranging from 0.009 to 0.36 mass%. The increase in yield stress (YS) and ultimate tensile stress (UTS) for vanadium alloys was saturated above 0.1 mass% in O content, because Ti precipitates increased with increasing O content regardless of Y addition. Y addition had little effect on YS and UTS of V-4Cr-4Ti alloys at room temperature (RT). However, Y addition improved impact properties of alloys highly doped with O. Y addition did not suppress hardening due to O doping but did increase deformation for crack initiation.},
 title = {Effect of Yttrium Addition on Mechanical Properties for V-4Cr-4Ti Alloy Contaminated with Oxygen and Nitrogen Impurities},
 volume = {8},
 year = {2013}
}