کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10624289 | 989585 | 2016 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Dielectric and electromagnetic wave absorption properties of reduced graphene oxide/barium aluminosilicate glass-ceramic composites
ترجمه فارسی عنوان
خواص جذب دی الکتریک و الکترومغناطیسی کاهش ترکیبات گرافیتی اکسید گرافین / آلومینو اسید باریت گرافین
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
چکیده انگلیسی
BaAl2Si2O8 (BAS) glass-ceramic powders were prepared by sol-gel method. Graphene oxide (GO)/BAS mixture powders were prepared by a simple mixing process of GO and BAS. Dense and uniform reduced graphene oxide (RGO)/BAS composites were fabricated by the hot-pressing of GO/BAS, which was accompanied by the in-situ thermal reduction of GO. Microstructure, phase composition, dielectric and electromagnetic wave (EM) absorption properties of RGO/BAS were investigated. The results reveal that RGO can promote the hexacelsian-to-celsian phase transformation of BAS. In the frequency range from 8Â GHz to 12Â GHz, the complex permittivity of RGO/BAS increases with increasing RGO content. The composite with 1.5Â wt% of RGO shows good EM absorbing ability. When the sample thickness is 2.1Â mm, the minimum reflection coefficient (RC) reaches â33Â dB, and the effective absorption bandwidth is more than 3.1Â GHz.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 42, Issue 6, 1 May 2016, Pages 7099-7106
Journal: Ceramics International - Volume 42, Issue 6, 1 May 2016, Pages 7099-7106
نویسندگان
Mian Li, Xiaowei Yin, Lingqi Chen, Meikang Han, Laifei Cheng, Litong Zhang,