Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
권호 표지
DOI QR코드

DOI QR Code

Glass-alumina Composites Prepared by Melt Infi1tration: III. In-vitro Fatigue Behavior

용융침투법으로 제조한 유리-알루미나 복합체: III. In-vitro 피로거동

  • 이득용 (대림대학 재료정보학과) ;
  • 이세종 (경성대학교 재료공학과) ;
  • 박일석 (연세대학교 세라믹공학과) ;
  • 장주웅 ((주) 우리동명 치과재료연구소) ;
  • 김병수 ((주) 우리동명 치과재료연구소)
  • Published : 2003.07.01
Download PDF
⟨ Previous Next ⟩

Abstract

Hertzian cyclic fatigue properties of the alumina-glass dental ceramics were evaluated in exact in vitro environment at contact loads from 200 N to 1000 N and up to 10$\^$6/ cycles to investigate the indentation damage and strength degradation. At 200 N, no strength degradation and crack generation was observed up to 10$\^$6/ contact cycles. As load increased from 200 N to 1000 N, the drastic reduction in strength was found when the damage transition from ring to radial crack occurred. The extent of strength degradation was more pronounced in vitro environments probably due to chemical reaction of artificial saliva with glass phase through radial cracks introduced during large numbers of contacts.

인공치관용 알루미나-유리 복합체를 유사 구강분위기인 인공타액 하에서 200-1000 N의 하중 조건으로 $10^{6}$ 횟수까지 헤르찌안 반복하중 피로특성을 조사하였다. 200 N의 하중에서 $10^{6}$까지 반복피로 실험결과, 강도 저하 및 균열 현상은 관찰되지 않았다. 하중이 1000 N으로 증가함에 따라 링 균열에서 방사상 균열로 전이되었을 때 급격한 강도 저하 현상이 발생하였다. 강도 저하 현상은 유사 구강 분위기하에서 반복 하중 접촉 시 발생한 방사상 균열을 통해 침투한 인공타액과 유리상의 화학적 반응으로 더욱 가속화 되었다.

Keywords

References

  1. J. Am. Ceram. Soc. v.76 Melt-infiltration Processing and Fracture Toughness of Alumina-glass Dental Composites W.D.Wolf;L.F.Francis;C.P.Lin;W.H.Douglas https://doi.org/10.1111/j.1151-2916.1993.tb04004.x
  2. J. Biomed. Mater. Res. v.53 A Comparison of Mechanical Properties of All-ceramic Alumina Dental Crowns Prepared from Aqueous- and Non-aqueous-based Tape Casting D.J.Kim;M.H.Lee;D.Y.Lee;J.S.Han https://doi.org/10.1002/1097-4636(2000)53:4<314::AID-JBM5>3.0.CO;2-O
  3. Mater. Sci. & Eng. A v.341 Effect of Alumina Particle Size and Distribution on Infiltration Rate and Fracture Toughness of Alumina-glass Composites Prepared by Melt-infiltration D.Y.Lee;D.J.Kim;B.Y.Kim;Y.S.Song https://doi.org/10.1016/S0921-5093(02)00209-5
  4. J. Kor. Ceram. Soc. v.39 Glass-alumina Composites Prepared by Meltinfiltration:Ⅱ. Kinetic Studies D.Y.Lee;J.W.Jang;M.H.Lee;J.K.Lee;D.J.Kim;I.S.Park https://doi.org/10.4191/KCERS.2002.39.2.145
  5. J. Dental Res. v.79 Lifetime-limiting Strength Degradation from Contact Fatigue in Dental Ceramics Y.G.Jung;I.M.Peterson;D.K.Kim;B.R.Lawn https://doi.org/10.1177/00220345000790020501
  6. J. Dental Res. v.77 Mechanical Characterization of Dental Ceramics by Hertzian Contacts I.M.Peterson;A.Pajares;B.R.Lawn;V.P.Thompson;E.D.Rekow https://doi.org/10.1177/00220345980770041201
  7. J. Mater. Res. v.9 Cyclic Fatigue of a Mica-containing Glass-ceramic at Hertzian Contacts H.Cai;M.A.S.Kalceff;B.M.Hooks;B.R.Lawn https://doi.org/10.1557/JMR.1994.2654
  8. Current Opinion in Solid State & Mater. Sci. v.6 Ceramic-based Layer Structured for Biome-chanical Application B.R.Lawn https://doi.org/10.1016/S1359-0286(02)00016-5
  9. Dental Mater. nfluence of Alkali and Alkaline Earth Addition on Thermal Expansion Coefficient of $La_{2}O_{3}-Al_{2}O_{3}-SiO_{2}$ Glass for Dental Ceramic Crownss D. Y. Lee;J.-W. Jang;H.-K. Kim;B.-Y. Kim
  10. J. Mater. Sci. Lett. v.21 Properties of Glass-spinel Composites Prepared by Melt Infiltration D.Y.Lee;D.J.Kim;Y.S.Song
  11. J. Am. Ceram. Soc. v.82 no.11 Mechanical Properties of Tape Cast Alumina-glass Dental Composites D.J.Kim;M.H.Lee;C.E.Kim https://doi.org/10.1111/j.1151-2916.1999.tb02219.x
  12. Ph.D. Dissertation, University of Birmingham Strength Microstructure Relationships in a Dental Alumina Glass Composites H.Hornberger
  13. J. Kor. Academy Dental Tech. v.22 no.1 The Effect of Burn-out Temperature and Cooling Rate on the Microstructure and Corrosion Behavior of Dental Casting Gold Alloy(in Kor.) S.H.Lee;D.S.Ham;H.K.Kim;J.W.Jang;M.H.Kim
  14. Standard Test Method for Biaxial Flexure Strength (Modulus of Rupture) of Ceremic Substrates, ASTM Designation F394-78, Annual Book of ASTM Standards v.15 no.2 American Society for Testing and Materials

Cited by

  1. In-Vitro Hertzian Fatigue Properties of Glass Infiltrated Ceramic Composites for Dental Crowns vol.486-487, pp.1662-9752, 2005, https://doi.org/10.4028/www.scientific.net/MSF.486-487.225