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Fabrication of beta-Si3N4 whiskers from a GPSed-RBSN sponge using 6Y(2)O(3)-2MgO additives
- Issue Date
- Dec-2010
- Publisher
- Pergamon Press Ltd.
- Keywords
- Whisker; Silicon nitride; GPSed-RBSN
- Citation
- Ceramics International, v.36, no.8, pp 2427 - 2430
- Pages
- 4
- Journal Title
- Ceramics International
- Volume
- 36
- Number
- 8
- Start Page
- 2427
- End Page
- 2430
- ISSN
- 0272-8842
1873-3956
- Abstract
- In this study, beta-Si3N4 whiskers with a diameter of 0.05-1.5 mu m and length of about 70 mu m were successfully fabricated using a gas pressure sintered (GPSed)-reaction boned silicon nitride (RBSN) process at 1550 degrees C for 9 h. The beta-Si3N4 whiskers grew on the frame and filled fully in the pores of the GPSed-RBSN sponge. 6Y(2)O(3)-2MgO additives played a significant role in the growth of beta-Si3N4 whiskers and alpha-Si3N4 whiskers, while alpha-Si3N4 whiskers, which were grown inside the RBSN sponge through the vapor solid mechanism, had a diameter ranging from 50 to 100 nm and length of about 80 mu m. (C) 2010 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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Collections - College of Medicine > Department of Regenerative Medicine > 1. Journal Articles
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Related Researcher
- Lee, Byong Taek
- College of Medicine (Department of Regenerative Medicine)