采用合金平衡组织结构分析法结合热分析,研究了Nb-Ni-Ti系L(←→)(βTi,Nb)+TiNi共晶相平衡.结果表明,随着温度的降低,处于液相L、(βTi,Nb)和TiNi相三相平衡时的(βTi,Nb)相中Ni含量(摩尔分数)几乎不变,约为3.5％；而Nb的摩尔分数逐渐降低,从1 050℃时的62.6％,降为1 000 ℃时的54.1％；但TiNi相的成分变化不大.L+(βTi,Nb)+TiNi三相区也随温度的降低逐渐远离Nb-TiNi连线.并且随着Nb的溶入,Ti2Ni相的熔化温度也得以提高.
参考文献
| [1] | K. P. Gupta .The Nb-Ni-Ti (Niobium-Nickel-Titanium) System-Update[J].Journal of Phase Equilibria and Diffusion,2008(2):194-197. |
| [2] | Wei Zhang;Akihisa Inoue .Effects of Ti on the thermal stability and glass-forming ability of Ni-Nb glassy alloy[J].Materials transactions,2002(9):2342-2345. |
| [3] | Kazuhiro Ishikawa;Yuta Seki;Koichi Kita;Mitsuhiro Matsuda;Minoru Nishida;Kiyoshi Aoki .Hydrogen permeation in rapidly quenched amorphous and crystallized Nb_(20)Ti_(40)Ni_(40) alloy ribbons[J].International journal of hydrogen energy,2011(2):1784-1792. |
| [4] | Satoshi Matsumoto;Tatsuya Tokunaga;Hiroshi Ohtani .Thermodynamic Analysis of the Phase Equilibria of the Nb-Ni-Ti System[J].Materials transactions,2005(12):2920-2930. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%