کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1638964 | 1517019 | 2010 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of solidification rate on MC-type carbide morphology in single crystal Ni-base superalloy AM3
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of solidification rate on MC-type carbide morphology in single crystal Ni-base superalloy AM3 Effect of solidification rate on MC-type carbide morphology in single crystal Ni-base superalloy AM3](/preview/png/1638964.png)
چکیده انگلیسی
In order to study the effect of the withdrawing rate on carbide morphology, MC-type carbide in single crystal superalloy AM3 was systematically investigated with sample growth rates from 3.5 μm/s to 500 μm/s. The carbide morphologies were investigated by scanning electron microscopy (SEM), and the electron probe microanalysis (EPMA) was used to characterize the carbide composition. The results indicate that the solidification rate is the important factor governing MC carbide growth morphology, size and distribution, composition and growth mechanism. With the increase of withdrawing rate, nodular, rod-like, Chinese script types of carbide morphology are observed. For the low withdrawing rate, with the increase of withdrawing rate, the carbide size becomes larger. For the case of dendritic interface, the carbide size becomes smaller with refinement of dendrites as withdrawing rate increases. The volume fraction of carbides increases with the withdrawing rate increasing.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Transactions of Nonferrous Metals Society of China - Volume 20, Issue 10, October 2010, Pages 1835-1840
Journal: Transactions of Nonferrous Metals Society of China - Volume 20, Issue 10, October 2010, Pages 1835-1840
نویسندگان
Zhu-huan YU, Lin LIU, Xin-bao ZHAO, Wei-guo ZHANG, Jun ZHANG, Heng-zhi FU,