کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5455625 1514644 2017 20 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Twinning-induced dynamic recrystallization and micro-plastic mechanism during hot-rolling process of a magnesium alloy
ترجمه فارسی عنوان
واکنش دینامیکی پلاستیکی و مکانیزم میکرو پلاستیکی در طول روند نورد گرم آلیاژ منیزیم
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد دانش مواد (عمومی)
چکیده انگلیسی
{101̅1} twinning played an important role during hot-rolling process of AZ31 alloy. In the present work, TEM was employed to investigate such twinning related plastic mechanism. The dislocations were usually lying on the basal plane in matrix, while a⃑+c⃑ slip was usually activated near grain boundary as well as in twinned area even when the orientation was quite soft for basal slip. The combination of a⃑ and a⃑+c⃑ slip created the characteristic misorientation relationship along 〈112̅0〉 in twin region. The activation of non-basal slip met the requirement to accommodate adequate localized stain in twinned area, which made twinning induced DRX kinetically possible. The twin lamella with the highest SF, which was supposed to be the most effective in accommodating imposed strain, showed the highest tendency for localized strain and led to complete DRX inside twinned region.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 699, 24 June 2017, Pages 99-105
نویسندگان
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