کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
273036 | 505038 | 2008 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Carbon removal in stainless steel wall and graphite sheet by using oxygen glow discharge
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Carbon removal in stainless steel wall and graphite sheet by using oxygen glow discharge Carbon removal in stainless steel wall and graphite sheet by using oxygen glow discharge](/preview/png/273036.png)
چکیده انگلیسی
In ITER, oxygen glow discharge cleaning (He/O2-GDC) is proposed as a method for removal of a-C:H co-deposited layer. In this study, graphite was irradiated by this method, and its erosion rate was quantitatively estimated from the CO and CO2 desorption during the discharge. With He/O2(7%)-GDC, the erosion rate was estimated to be 4.1 × 10−6 g cm−2 h−1, which corresponds to 23 nm h−1. This erosion rate increased with O2 mixture ratio in its discharging gas. However, the rate was not proportional to the oxygen mixture ratio because of an O2 retention in graphite. From TDS, it is found that graphite exposed to He/O2(7%)-GDC retained 3.1 × 1016 O atoms/cm2.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fusion Engineering and Design - Volume 83, Issues 7–9, December 2008, Pages 1059–1062
Journal: Fusion Engineering and Design - Volume 83, Issues 7–9, December 2008, Pages 1059–1062
نویسندگان
Takuya Nomura, Yuji Yamauchi, Yuko Hirohata, Tomoaki Hino,