Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
권호 표지
DOI QR코드

DOI QR Code

Fabrication of Ceramic Dental Block by Magnetic Pulsed Compaction

자기펄스압축성형장치를 이용한 대면적 지르코니아 덴탈블록 제조 연구

  • Park, Hyo-Young (Division of Advanced Materials Engineering, Kongju National University) ;
  • Kim, Hyo-Seob (Division of Advanced Materials Engineering, Kongju National University) ;
  • Hong, Soon-Jik (Division of Advanced Materials Engineering, Kongju National University)
  • 박효영 (공주대학교 신소재공학과) ;
  • 김효섭 (공주대학교 신소재공학과) ;
  • 홍순직 (공주대학교 신소재공학과)
  • Received : 2012.09.03
  • Accepted : 2012.09.28
  • Published : 2012.10.28
Download PDF
⟨ Previous Next ⟩

Abstract

Sintered bulks of $ZrO_2$ nanopowders were fabricated by magnetic pulsed compaction (MPC) and subsequent two-step sintering employed in this study and the formability effects of nanopowder on mixing condition, pressure and sintering temperature were investigated. The addition of PVA induced and increase in the formability of the sintered bulk. But cracked bulks were obtained on sintering with addition of over 10 wt% PVA due to generation of crack during sintering. The optimum compaction pressure during MPC was 1.0 GPa and mixing conditions included using 5.0 wt% PVA. The optimum processing condition included MPC process, followed by two-step sintering (first at 1000 and then at $1450^{\circ}C$). The sintered bulks with the diameter of 30 mm under these conditions were found to have non crack, ~99% density.

Keywords

References

  1. W.C. Wagner: J. Prosthet. dent., 76 (1996) 140. https://doi.org/10.1016/S0022-3913(96)90297-8
  2. K. H. Meyenberg and P. Scharer: J. Esthet. Dent., 9 (1963) 849.
  3. H. C. Park and Frank L. Riley: J. Kor. Ceram. Soc., 29 (1992) 489 (Korean).
  4. H. Y. Park and M. Fatih Kilicaslan, S. J. Hong: Powder. Technol., 224 (2012) 360. https://doi.org/10.1016/j.powtec.2012.03.020
  5. Rumman Md. Raihanuzzaman, J. W. Song and S. J. Hong: J. Alloys and Compd., 536 (2012) 211. https://doi.org/10.1016/j.jallcom.2011.12.108
  6. J. S. Park, H. S. Kim, K. S. Lee, J. G. Lee, C. K. Rhee and S. J. Hong: J. Kor. Powd. Met. Inst., 16 (2009) 223 (Korean). https://doi.org/10.4150/KPMI.2009.16.3.223
  7. J. H. Kim, Rumman Md. Raihanuzzaman, J. K. Lee, M. K. Lee, C. K. Rhee, H. S. Kim and S. J. Hong: Mater. Trans., 52 (2011) 1156. https://doi.org/10.2320/matertrans.M2010398
  8. Rumman Md. Raihanuzzaman, J. H. Kim, J. K. Lee, J. S. Yoon, H. T. Son and S. J. Hong: Powder. Technol., 225 (2012) 227. https://doi.org/10.1016/j.powtec.2012.04.018
  9. J. G. Lee, M. K Lee, S. J. Hong, H. W. Lee, S. P. Pyun and C. K. Rhee: Mater. Letter, 64 (2010) 35. https://doi.org/10.1016/j.matlet.2009.09.063
  10. H. Y. Park, M. Fatih Kilicaslan and S. J. Hong: Mater. Chem. Phys., (2012) Under review
  11. H. S. Kim, J. G. Lee, C. K Rhee, J. M. Koo and S. J. Hong: J. Kor. Mater. Res., 18 (2008) 8 (Korean).
  12. H. S. Kim, J. K. Lee, C. K. Rhee and S. J. Hong: Mater. Trans., 51 (2010) 578. https://doi.org/10.2320/matertrans.M2009324
  13. R. M German, Sintering theory and practice, John Wiley & Sons, (1996).