کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7968956 | 1514345 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Secondary recrystallization behavior in strip-cast grain-oriented silicon steel processed by isothermal secondary annealing
ترجمه فارسی عنوان
رفتار غلیظ شدن ثانویه در فولاد سیلیکونی غلتکی غلتک پردازش شده توسط آنیلینگ ثانویه ایثارگر
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کلمات کلیدی
فولاد سیلیکون دانه گرانشی، بازسازی ثانویه، نوار بازیگران، بافت گوس،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
چکیده انگلیسی
The primary annealed sheets of strip-cast grain-oriented silicon steel were isothermally secondary annealed for 15â¯min under 100% H2 atmosphere. The microstructure and crystallographic orientation at different annealing temperatures were characterized and the secondary recrystallization behavior was elucidated. It was observed that relatively complete abnormal grain growth occurred at 1025â¯Â°C. Incomplete abnormal grain growth developed when the temperature was lower than 1025â¯Â°C, and normal grain growth occurred when the temperature was higher than 1025â¯Â°C. During the abnormal grain growth, both of the Goss and {110}â¨227â© grains developed because of the rapid decrease of the inhibiting force and the limited annealing time. Considering the high energy boundary (HE), coincidence site lattice boundary (CSL) and solid-state wetting (SSW) models for abnormal grain growth, the first one explained the development of the Goss and {110}â¨227â© grains. Another result was that several matrix grain colonies were observed in the interior or at the boundaries of secondary grains after abnormal grain growth. The grains at the periphery of these colonies showed a large fraction of high energy boundaries (20-45° misorientation) with the surrounding secondary grain and similar grain size with the unconsumed matrix grains. Therefore, these colonies were expected to be consumed by prolonging the annealing time and thus the limited annealing time was responsible for their occurrence. A possible explanation for the dominated high energy boundaries instead of low energy boundaries at the periphery of these colonies was proposed. All of these behaviors promoted the understanding of abnormal grain growth.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Characterization - Volume 142, August 2018, Pages 68-76
Journal: Materials Characterization - Volume 142, August 2018, Pages 68-76
نویسندگان
X. Lu, F. Fang, Y.X. Zhang, Y. Wang, G. Yuan, R.D.K. Misra, W.N. Zhang, G.D. Wang,