کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5467982 | 1518924 | 2017 | 23 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of different processing conditions on super-elasticity and low modulus properties of metastable β-type Ti-35Nb-2Ta-3Zr alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effects of different processing conditions on super-elasticity and low modulus properties of metastable β-type Ti-35Nb-2Ta-3Zr alloy Effects of different processing conditions on super-elasticity and low modulus properties of metastable β-type Ti-35Nb-2Ta-3Zr alloy](/preview/png/5467982.png)
چکیده انگلیسی
In this work, by means of X ray diffraction, polarizing microscope, transmission electron microscope and mechanical properties test, the microstructure and mechanical properties of metastable β-type Ti-35Nb-2Ta-3Zr alloy were systematically studied by two different processing techniques. The results showed that there was a large amount of lath martensite in this alloy solution-treated by 1053 K for 30 min, and recrystallization occurred, but the grain growed again and became coarse equiaxed crystal. However, the alloy annealed by 923 K for 10 min undergone recrystallization inside the grains, and many fine grains appeared. In addition, a large number of dislocations and grain boundaries that provided adequate heterogeneous nucleation conditions for β phase during annealing to promote the transformation αⳠphase into β phase, so as to reduce the content of αⳠphase and stabilize β phase. Therefore, the annealed specimens had lower elastic modulus (55 GPa) and higher super-elasticity (47.94%) than the solution treated specimens.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vacuum - Volume 146, December 2017, Pages 164-169
Journal: Vacuum - Volume 146, December 2017, Pages 164-169
نویسندگان
Juan Chen, Fengcang Ma, Ping Liu, Xinkuan Liu, Wei Li, Xiaohong Chen, Ke Zhang, Lai-Chang Zhang,