کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1463162 | 989642 | 2013 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
HfC-based coating prepared by reactive melt infiltration on C/C composite substrate
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Reactive melt infiltration based on alloy design is proposed in the present work for preparing HfC-based coating on C/C composite substrate. A 50Hf10Zr40Si alloy ingot was prepared and infiltrated into a C/C preform at temperatures much lower than the melting point of the alloy to obtain the HfC-based coating. An obvious layered microstructure of the coating was formed. The carbonization reactions occurring between Hf and carbon of the surface layer of the C/C composite is the primary reason for the reactive melt infiltration process to proceed at relative low temperatures. Acetylene flame test showed that the HfC-based coating protected the C/C composite from serious oxidation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 39, Issue 5, July 2013, Pages 5477–5483
Journal: Ceramics International - Volume 39, Issue 5, July 2013, Pages 5477–5483
نویسندگان
Yicong Ye, Hong Zhang, Yonggang Tong, Shuxin Bai,