کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1573471 | 1514681 | 2016 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Influence of test temperature on cyclic deformation behavior of a near α titanium alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Influence of test temperature on cyclic deformation behavior of a near α titanium alloy Influence of test temperature on cyclic deformation behavior of a near α titanium alloy](/preview/png/1573471.png)
چکیده انگلیسی
Low cycle fatigue behavior of titanium alloy Timetal 834 has been studied at 300 °C, 450 °C and 600 °C under fully reversed constant total strain amplitudes (Îεt/2) ranging from 0.4% to 1.2%. The alloy exhibited initial cyclic softening followed by cyclic hardening at 450 °C for Îεt/2â¥0.4% while at 300 °C and 600 °C, cyclic softening followed by cyclic stability was noticed in the cyclic stress response curves for Îεt/2>0.4%. Precipitate shearing was observed to be the micro-mechanism responsible for cyclic softening at all test temperatures. However, dislocation-dislocation and dislocation - solute interaction was observed to be the micro-mechanism responsible for cyclic hardening only at 450 °C. TEM observations revealed that the severity of planar slip is found to peak at 450 °C.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 662, 26 April 2016, Pages 373-384
Journal: Materials Science and Engineering: A - Volume 662, 26 April 2016, Pages 373-384
نویسندگان
Kartik Prasad, Rajdeep Sarkar, Vikas Kumar, K. Bhanu Sankara Rao, M. Sundararaman,