کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1575235 | 1514741 | 2014 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Physically based constitutive analysis to predict flow stress of medium carbon and vanadium microalloyed steels
ترجمه فارسی عنوان
تجزیه و تحلیل سازمانی مبتنی بر فیزیکی برای پیش بینی تنش جریان ورق های کربنی متوسط و وانادیم میکرولیلی
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کلمات کلیدی
نمره متوسط فولاد کربن، تغییر شکل داغ، روابط سازنده،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
چکیده انگلیسی
Two medium carbon steel grades were used in the present investigation. One of them was microalloyed with vanadium. Both steel grades were subjected to hot compression tests on the Gleeble-1500 thermo-mechanical simulator in the temperature range of 900-1100 °C and strain rate range of 0.01-10 sâ1. Constitutive relationships of both steels were investigated by the physically based approach incorporating the strain effect, which accounts for the dependence of Young׳s modulus and the self-diffusion coefficient of austenite on temperature. The accuracy and reliability of the equations was quantified by employing statistical parameters such as the correlation coefficient and absolute average error. The results showed that the proposed equations can predict the flow stress of the experimental steels with acceptable accuracy, thus may be an alternative method for predicting the flow stress in hot working.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 602, 25 April 2014, Pages 127-133
Journal: Materials Science and Engineering: A - Volume 602, 25 April 2014, Pages 127-133
نویسندگان
Hai-lian Wei, Guo-quan Liu, Ming-he Zhang,