کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10655890 | 1005260 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Optimisation of precipitation for controlling recrystallisation of wrought Fe3Al based alloys
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Optimisation of precipitation for controlling recrystallisation of wrought Fe3Al based alloys Optimisation of precipitation for controlling recrystallisation of wrought Fe3Al based alloys](/preview/png/10655890.png)
چکیده انگلیسی
A Fe-26Al-5Cr (at.%) single-phase (α:A2/B2/D03) alloy and two-phase (α+TiC) alloys with different amounts of TiC particles have been hot rolled at 800 °C and the kinetics of static recrystallisation have been studied. In the alloys with a high amount of TiC, needle-like TiC of more than 1 μm in length formed during cooling after homogenisation in the α single-phase region and coarsened during hot rolling. The large particles cause particle stimulated nucleation (PSN) and hence accelerate recrystallisation. In order to accomplish both strengthening by precipitates and inhibition of recrystallisation that deteriorates room-temperature ductility, a thermo-mechanical treatment consisting of hot deformation with a low amount of precipitates and a subsequent heat treatment for further precipitation is proposed. This process is difficult to carry out in the (Fe-26Al-5Cr)-TiC system due to the high precipitation temperature of TiC. The precipitation temperature is significantly decreased by replacing TiC by VC or MoC.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Intermetallics - Volume 13, Issue 12, December 2005, Pages 1296-1303
Journal: Intermetallics - Volume 13, Issue 12, December 2005, Pages 1296-1303
نویسندگان
S. Kobayashi, S. Zaefferer, A. Schneider, D. Raabe, G. Frommeyer,