$\require{mediawiki-texvc}$
  • 검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
  • 검색연산자
검색연산자 기능 검색시 예
() 우선순위가 가장 높은 연산자 예1) (나노 (기계 | machine))
공백 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 예1) (나노 기계)
예2) 나노 장영실
| 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 예1) (줄기세포 | 면역)
예2) 줄기세포 | 장영실
! NOT 이후에 있는 검색어가 포함된 문서는 제외 예1) (황금 !백금)
예2) !image
* 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 예) semi*
"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"
쳇봇 이모티콘
안녕하세요!
ScienceON 챗봇입니다.
궁금한 것은 저에게 물어봐주세요.

논문 상세정보

Citrate법을 이용한 수산화아파타이트 분말합성 및 소결특성

Powder Synthesis and Sintering Behavior of Hydroxyapatite by Citrate Method

Abstract

Hydroxyapatite powder was synthesized by a citrate method, . Char-like precursor composed of Ca8(HPO4)2(PO4)4.5H2O (OCP) and CaCo3 was found via viscous resin-like intermediate by heating the mixed aqueous solution of Ca(NO3)2.4H2O(NH4)2HPO4 and citric acid. Resulted powder was transformed into hydroxyapatite phase by firing over 120$0^{\circ}C$-135$0^{\circ}C$ for 4 hr using the powder calcined at 90$0^{\circ}C$ for 10 hr composed of mostly single hydroxyapatite phase. The sintered densities increased with firing temperature up to 130$0^{\circ}C$ but the highest relative density was about 94% of theoritical value. indicating the presence of closed pores. The maximum 96 MPa of flexural strength was obtained at 120$0^{\circ}C$ firing but the flexural strength showed lower values over the above sintering condition. Vitro test was performed by immersing of two jointed specimens in SBF for seven days and adhesion was observed between two specimens.

저자의 다른 논문

참고문헌 (14)

  1. Synthesis and characterization of hydroxyapatite powder from calcium acetate , T. Futagami;T. Okamoto , Yogyo-Kyokai-Shi / v.95,pp.775-780, 1987
  2. Hydroxyapatite synthesis and characterization in dense polycrystalline form , M. Jarcho;C.H. Bollen;M.B. Thomas;J. Bobick;J.F. Kay;R.H. Doremus , J. Mater. Sci / v.11,pp.2207-2035, 1976
  3. Method of preparing lead and alkaline earth titanates and niobates and coating method using the same to form a capacitor , M.P. Pechini , U.S. Pat., No. 3,330,697 / v.,pp., 1967
  4. Mixed-cation oxide powders via polymeric precursors , P.A. Lessing , Ceram. Bull / v.68,pp.1002-1007, 1989
  5. Polymeric precursor synthesis of ceramic materials , N.G. Eror;H.U. Anderson , Mat. Res. Soc. Symp. Proc / v.73,pp.571-577, 1986
  6. Production of strontium-substituted lanthanum manganite perovskite powder by the amorphous citrate process , M.S.G. Baythoun;F.R. Sale , J. Mater. Sci / v.17,pp.2757-2769, 1982
  7. Bonding between bioactive glasses, glass-ceramics or ceramics in a simulated body fluid , T. Kokubo;T. Hayashi;S. Sakka;T. Kitsugi;T. Yamamuro;M. Takagi;T. Shibuya , Yogyo-Kyokai-Shi / v.95,pp.785-791, 1987
  8. Thermal behavior of "H₂O" in nonstoichiometric hydroxy- and fluor- apatites , H. Monma;J. Tanaka;S. Ueno , Gypsum & Lime / v.165,pp.60, 1980
  9. W.E. Brown;J.R. Lehr;J.P. Smith;A.W. Frazier , J. Am. Chem. Soc / v.709,pp.5348-5319, 1957
  10. Vibrational spectra of hydrothermally prepared hydroxyapatites , K.C. Blakeslee;R.A. Condrate , J. Am. Ceram. Soc / v.54,pp.559, 1971
  11. Preparation of fibrous calcium phosphates by homogeneous precipitation method and their thermal changes , M. Kinoshita;A. Kishioka;H. Hayashi;K. Itatani , Gypsum & Lime / v.219,pp.79, 1989
  12. The influence of high sintering temperatures on the mechanical properties of hydroxylapatite , P. van Landuyt;F. Li;J.P. Keustermans;J.M. Streydio;F. Delannay;E. Munting , J. Mat. Sci. Med / v.6,pp.8-13, 1995
  13. Solid-state reactions and sintering of ZrO₂-added hydroxyapatite ceramics , K. Yamashita;T. Kobayashi;T. Umegaki;T. Kanazawa;S. Somiya(ed.);M. Shimasa(ed.);M. Yoshimura(ed.);M. Watanabe(ed.) , Sintering 87 / v.,pp.1320, 1987
  14. Microstructure and related mechanical properties of hot pressed hydroxylapatite ceramics , R. Halouani;D. Bernache-Assolant;E. Champion;A. Ababou , J. Mat. Sci. Med / v.5,pp.563-568, 1994

이 논문을 인용한 문헌 (0)

  1. 이 논문을 인용한 문헌 없음

DOI 인용 스타일