Öz
Silisyum nitrür (Si3N4)
seramikler, yüksek sertlik, iyi mekanik dayanım, üstün korozyon direnci ve
yüksek sıcaklıklara karşı iyi direnç göstermeleri nedeniyle, hem termo mekanik
hem de elektronik uygulama alanlarında büyük önem kazanmıştır. Bu çalışmada Si3N4 matrisinin
işlene bilirliğini arttırmak amacıyla, Si3N4 matrisine
dağıtılmış ince bor nitrür (BN) yapıları kombine bir şekilde üretilmiştir. Si3N4 -
BN matrisinin konvensiyonel üretim teknikleri ile üretilmesinin maliyetli
olması sebebiyle bu çalışmada karbotermal indirgeme ve nitridasyon (KTİN)
yöntemi kullanılmıştır. Farklı şartlarda mekanik aktivasyon yapılarak aktive
edilen tozlar kullanılarak KTİN reaksiyon sonucu sentezlenen tozlara yapılan
XRD analizleri, yapının Si3N4 ve BN fazlarından
müteşekkil olduğunu göstermiştir. Tane morfolojisi belirlemek için yapılan SEM
analizi ise ince BN tanelerinin homojen bir şekilde Si3N4 matrisine
dağılımının başarıldığı ortaya koymuştur.
Anahtar Kelimeler
BN Si3N4 Seramik Kompozit Mekanik Aktivasyon Karbotermal İndirgeme ve Nitridasyon Yöntemi(KTİN)
Kaynakça
- [1] Dongxu, Y., Huanbei, C., Kai-hui, Z., Yongfeng, X., Jinwei, Y., Hanqin, L., and Yu-Ping, Z., (2018). High Temperature Mechanical Properties of Porous Si3N4Prepared via SRBSN. Ceramics International. In Press, Accepted Manuscript—Note to users.
- [2] Kawai, C. and Yamakawa, A.,, (1997). Effect of Porosity and Microstructure on the Strength of Si3N4:Designed Microstructure for High Strength, High Thermal Shock Resistance, and Facile Machining, J. Am. Ceram. Soc, 80:2705–2708.
- [3] Çalışkan, F., Tehçi, T., Demir, A., and Tatlı, Z., (2017). Obtaining Homogeneous Distributed BNp in Si3N4 Matrix Synthesised by CRN Process. International Conference on Advances and Innovations in Engineering (ICAIE), Elazığ, 1092-1094.
- [4] Chen, W., Gao, Y., Ju, F., and Wang, Y., (2010). Tribochemical Behavior of Si3N4–hBN Ceramic Materials with Water Lubrication, Tribol lett, 229-238.
- [5] Haffmann, M.J. and Petzow, G., (1994). Tailored Microstructures of Silicon Nitride Ceramics Pure & Appl. Chem, Vol:66 No:9, pp:1807-1814.
- [6] Lange, F.F., (1979). Fracture Toughness of Si3N4 as a Function of the Initial β-contents. J. Am. Ceram. Soc., 62:428–430.
- [7] Genova, L.A., Izhevskyi, V.A., and Bressiani, J.C., (2008). Effect of Processing Variables on Synthesis of β-Si3N4 Particles, Journal of the European Ceramic Society 28, 295–301.
- [8] Hoffmann, M.J. and Petzow, G., (1994). Tailored Microstructures of Silicon Nitride Ceramics. Pure Appl. Chem., 66, 1807–1814.
- [9] Kim, K.J., Cho, T.J., and Kim, Y.T., (2015). Electrical and Thermal Properties of Silicon Carbide–Boron Nitridecomposites Prepared without Sintering Additives. Journal of the European Ceramic Society 35, 4423–4429.
- [10] Sinclair, W. and Simmons., H., (1987). Microstructure and Thermal Shock Behavior of BNcomposites, J. Mater. Sci. Lett. 6, 627–629.
- [11] Gangopadhyay, A., Jahanmir, S., and Peterson., M.B., (1997). Self-lubricating Ceramic Matrix Composites, in: S. Jahanmir (Ed.), Friction and Wear of Ceramics, Marcel Dekker, New York, pp:163–197.
- [12] Carrapichano, J.M., Gomes, J.R., and Silva, R.F., (2002). Tribologicals Behaviour of Si3N4–BN Ceramic Materials for Dry Sliding Applications, Wear 253, 1070–1076.
- [13] Mingxu, L., Liu, C.F., Zhang, J., Tao, R., Zhang, Q., and Qi, Q., (2018). Microstructure and Mechanical Properties of BN-Si3N4 and AlON Joints Brazed with Ag-Cu-Ti Filler Alloy. Journal of the European Ceramic Society 38, 1265–1270.
- [14] Wang, S., Jia, D., Yang, Z., et al. (2013). Effect of BN Content on Microstructures, Mechanical and Dielectric Properties of Porous BN/Si3N4 Composite Ceramics Prepared by Gel Casting, Ceram. Int. 39, 4231–4237.
- [15] Demir, A., Tatli, Z., Caliskan, F., and Kurt., A.O., (2007). Carbothermal Reduction and Nitridation of Quartz Mineral for the Production of Alpha Silicon Nitride Powders, Materials Science Forum 554, 163-168.
Öz
Kaynakça
- [1] Dongxu, Y., Huanbei, C., Kai-hui, Z., Yongfeng, X., Jinwei, Y., Hanqin, L., and Yu-Ping, Z., (2018). High Temperature Mechanical Properties of Porous Si3N4Prepared via SRBSN. Ceramics International. In Press, Accepted Manuscript—Note to users.
- [2] Kawai, C. and Yamakawa, A.,, (1997). Effect of Porosity and Microstructure on the Strength of Si3N4:Designed Microstructure for High Strength, High Thermal Shock Resistance, and Facile Machining, J. Am. Ceram. Soc, 80:2705–2708.
- [3] Çalışkan, F., Tehçi, T., Demir, A., and Tatlı, Z., (2017). Obtaining Homogeneous Distributed BNp in Si3N4 Matrix Synthesised by CRN Process. International Conference on Advances and Innovations in Engineering (ICAIE), Elazığ, 1092-1094.
- [4] Chen, W., Gao, Y., Ju, F., and Wang, Y., (2010). Tribochemical Behavior of Si3N4–hBN Ceramic Materials with Water Lubrication, Tribol lett, 229-238.
- [5] Haffmann, M.J. and Petzow, G., (1994). Tailored Microstructures of Silicon Nitride Ceramics Pure & Appl. Chem, Vol:66 No:9, pp:1807-1814.
- [6] Lange, F.F., (1979). Fracture Toughness of Si3N4 as a Function of the Initial β-contents. J. Am. Ceram. Soc., 62:428–430.
- [7] Genova, L.A., Izhevskyi, V.A., and Bressiani, J.C., (2008). Effect of Processing Variables on Synthesis of β-Si3N4 Particles, Journal of the European Ceramic Society 28, 295–301.
- [8] Hoffmann, M.J. and Petzow, G., (1994). Tailored Microstructures of Silicon Nitride Ceramics. Pure Appl. Chem., 66, 1807–1814.
- [9] Kim, K.J., Cho, T.J., and Kim, Y.T., (2015). Electrical and Thermal Properties of Silicon Carbide–Boron Nitridecomposites Prepared without Sintering Additives. Journal of the European Ceramic Society 35, 4423–4429.
- [10] Sinclair, W. and Simmons., H., (1987). Microstructure and Thermal Shock Behavior of BNcomposites, J. Mater. Sci. Lett. 6, 627–629.
- [11] Gangopadhyay, A., Jahanmir, S., and Peterson., M.B., (1997). Self-lubricating Ceramic Matrix Composites, in: S. Jahanmir (Ed.), Friction and Wear of Ceramics, Marcel Dekker, New York, pp:163–197.
- [12] Carrapichano, J.M., Gomes, J.R., and Silva, R.F., (2002). Tribologicals Behaviour of Si3N4–BN Ceramic Materials for Dry Sliding Applications, Wear 253, 1070–1076.
- [13] Mingxu, L., Liu, C.F., Zhang, J., Tao, R., Zhang, Q., and Qi, Q., (2018). Microstructure and Mechanical Properties of BN-Si3N4 and AlON Joints Brazed with Ag-Cu-Ti Filler Alloy. Journal of the European Ceramic Society 38, 1265–1270.
- [14] Wang, S., Jia, D., Yang, Z., et al. (2013). Effect of BN Content on Microstructures, Mechanical and Dielectric Properties of Porous BN/Si3N4 Composite Ceramics Prepared by Gel Casting, Ceram. Int. 39, 4231–4237.
- [15] Demir, A., Tatli, Z., Caliskan, F., and Kurt., A.O., (2007). Carbothermal Reduction and Nitridation of Quartz Mineral for the Production of Alpha Silicon Nitride Powders, Materials Science Forum 554, 163-168.
Ayrıntılar
| Birincil Dil | Türkçe |
|---|---|
| Konular | Mühendislik |
| Bölüm | Makaleler |
| Yazarlar | |
| Yayımlanma Tarihi | 23 Temmuz 2018 |
| Yayımlandığı Sayı | Yıl 2018 Cilt: 13 Sayı: 3 |