Toru Okabe

Summary

Affiliation: Tohoku University
Country: Japan

Publications

  1. ncbi Corrosion behavior and microstructures of experimental Ti-Au alloys
    Masatoshi Takahashi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, Seiryo machi, Aoba ku, Sendai, Miyagi, Japan
    Dent Mater J 23:109-16. 2004
  2. ncbi Electrochemical behavior of cast Ti-Ag alloys
    Masatoshi Takahashi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, Sendai, Miyagi, Japan
    Dent Mater J 25:516-23. 2006
  3. ncbi Mechanical properties and grindability of experimental Ti-Au alloys
    Masatoshi Takahashi
    Divison of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, Seiryo machi, Aoba ku, Sendai, Miyagi, Japan
    Dent Mater J 23:203-10. 2004
  4. ncbi Grindability of cast Ti-Cu alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Department of Oral Rehabilitation and Materials Science, Graduate School of Dentistry, Tohoku University, 4 1 Seiryo machi, Aoba ku, 980 8575, Sendai, Japan
    Dent Mater 19:375-81. 2003
  5. ncbi Grindability of dental cast Ti-Ag and Ti-Cu alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, 4-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
    Dent Mater J 22:191-205. 2003
  6. ncbi Mechanical properties and microstructures of cast Ti-Cu alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Department of Oral Rehabilitation and Materials Science, Graduate School of Dentistry, Tohoku University, 4 1 Seiryomachi, Aoba ku, 980 8575, Sendai, Japan
    Dent Mater 19:174-81. 2003
  7. ncbi Grindability of cast Ti-Hf alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, 4 1, Seiryo machi, Sendai, 980 8575 Japan
    J Biomed Mater Res B Appl Biomater 77:34-8. 2006
  8. ncbi Mechanical properties of cast Ti-Hf alloys
    Hideki Sato
    Division of Operative Dentistry, Graduate School of Dentistry, Tohoku University, 4 1 Seiryo machi, Aoba ku, Sendai 980 8575, Japan
    J Biomed Mater Res B Appl Biomater 72:362-7. 2005
  9. ncbi Mold filling and microhardness of 1% Fe titanium alloys
    Hideki Sato
    Division of Operative Dentistry, Graduate School of Dentistry, Tohoku University, Seiryo-machi, Aoba-ku, Sendai, Japan
    Dent Mater J 23:211-7. 2004
  10. ncbi Modeling wear of cast Ti alloys
    Kwai S Chan
    Southwest Research Institute, San Antonio, TX 78238, USA
    Acta Biomater 3:383-9. 2007

Collaborators

Detail Information

Publications18

  1. ncbi Corrosion behavior and microstructures of experimental Ti-Au alloys
    Masatoshi Takahashi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, Seiryo machi, Aoba ku, Sendai, Miyagi, Japan
    Dent Mater J 23:109-16. 2004
    ..In the present test solutions, the Ti-Au alloys up to 20% Au had good corrosion resistance comparable to that for pure titanium...
  2. ncbi Electrochemical behavior of cast Ti-Ag alloys
    Masatoshi Takahashi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, Sendai, Miyagi, Japan
    Dent Mater J 25:516-23. 2006
    ..5% Ag had excellent corrosion resistance similar to that of pure titanium. The alloys with 20-25% Ag may be also used as dental alloys, since they passivated again immediately after preferential dissolution in the NaCl solution...
  3. ncbi Mechanical properties and grindability of experimental Ti-Au alloys
    Masatoshi Takahashi
    Divison of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, Seiryo machi, Aoba ku, Sendai, Miyagi, Japan
    Dent Mater J 23:203-10. 2004
    ..There was no significant difference in the grinding rate and grinding ratio among all the Ti-Au alloys and the pure titanium at any speed...
  4. ncbi Grindability of cast Ti-Cu alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Department of Oral Rehabilitation and Materials Science, Graduate School of Dentistry, Tohoku University, 4 1 Seiryo machi, Aoba ku, 980 8575, Sendai, Japan
    Dent Mater 19:375-81. 2003
    ....
  5. ncbi Grindability of dental cast Ti-Ag and Ti-Cu alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, 4-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
    Dent Mater J 22:191-205. 2003
    ..It appeared that the decrease in elongation caused by the precipitation of small amounts of intermetallic compounds primarily contributed to the favorable grindability of the experimental alloys...
  6. ncbi Mechanical properties and microstructures of cast Ti-Cu alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Department of Oral Rehabilitation and Materials Science, Graduate School of Dentistry, Tohoku University, 4 1 Seiryomachi, Aoba ku, 980 8575, Sendai, Japan
    Dent Mater 19:174-81. 2003
    ..This study evaluated the mechanical properties of cast Ti-Cu alloys with the hope of developing an alloy for dental casting with better mechanical properties than unalloyed titanium...
  7. ncbi Grindability of cast Ti-Hf alloys
    Masafumi Kikuchi
    Division of Dental Biomaterials, Graduate School of Dentistry, Tohoku University, 4 1, Seiryo machi, Sendai, 980 8575 Japan
    J Biomed Mater Res B Appl Biomater 77:34-8. 2006
    ..We also found that hafnium may be used to harden or strengthen titanium without deteriorating the grindability...
  8. ncbi Mechanical properties of cast Ti-Hf alloys
    Hideki Sato
    Division of Operative Dentistry, Graduate School of Dentistry, Tohoku University, 4 1 Seiryo machi, Aoba ku, Sendai 980 8575, Japan
    J Biomed Mater Res B Appl Biomater 72:362-7. 2005
    ..05) lower than that of the pure Ti. The cast Ti-Hf alloys tested can be considered viable alternatives to CP Ti because they were stronger than CP Ti and had similar elongation...
  9. ncbi Mold filling and microhardness of 1% Fe titanium alloys
    Hideki Sato
    Division of Operative Dentistry, Graduate School of Dentistry, Tohoku University, Seiryo-machi, Aoba-ku, Sendai, Japan
    Dent Mater J 23:211-7. 2004
    ..05) in mold filling among these alloys and the control (CP Ti). The results of testing the microhardness near the cast surfaces indicated that the hardened reaction layers on these alloys were thinner at the edge compared to CP Ti...
  10. ncbi Modeling wear of cast Ti alloys
    Kwai S Chan
    Southwest Research Institute, San Antonio, TX 78238, USA
    Acta Biomater 3:383-9. 2007
    ..The theoretical results are compared with experimental data to elucidate the roles of microstructure in wear and contrasted against those in grindability...
  11. ncbi Corrosion behavior of cast Ti-6Al-4V alloyed with Cu
    Marie Koike
    Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Nagasaki University Graduate School of Biomedical Sciences, Sakamoto, Nagasaki, Japan
    J Biomed Mater Res B Appl Biomater 73:368-74. 2005
    ..Alloying up to 3.5 mass % Cu to Ti-6Al-4V did not change the corrosion behavior. Specimens with ground or sandblasted surfaces were superior to specimens with as-cast surfaces...
  12. ncbi Cross-sectional TEM analysis of porcelain fused to gold-coated titanium
    Yasuhiro Tanaka
    Department of Advanced Materials Science, Faculty of Engineering, Kagawa University, 2217 20 Hayashi, Takamatsu, 761 0396, Japan
    Dent Mater J 26:84-8. 2007
    ....
  13. ncbi Optimizing mechanical properties of laser-welded gold alloy through heat treatment
    Ikuya Watanabe
    Department of Biomaterials Science, Baylor College of Dentistry, Texas A and M University System Health Science Center, 3302 Gaston Avenue, Dallas, TX 75246, USA
    Dent Mater 20:630-4. 2004
    ..The goal of this work was to improve the mechanical strength of laser-welded gold alloy with age-hardenability at intraoral temperature...
  14. ncbi Shear bond strengths of laboratory-cured prosthetic composite to primed metal surfaces
    Ikuya Watanabe
    Department of Biomaterials Science, Baylor College of Dentistry, Texas A and M University System Health Science Center, Dallas 75246, USA
    Am J Dent 16:401-3. 2003
    ..To examine the effect of using metal primers to enhance the shear bond strength of a laboratory-cured prosthetic composite to cast metal surfaces...
  15. ncbi Evaluation of the amalgamation reaction of experimental Ag-Sn-Cu alloys containing Pd using a mercury plating technique
    Marie Koike
    Nagasaki University Graduate School of Biomedical Sciences, Department of Developmental and Reconstructive Medicine, Division of Removable Prosthodontics, 1-7-1 Sakamoto, Nagasaki, 852-8588 Japan
    Dent Mater J 22:280-91. 2003
    ..8. Specimens with moderately plated Hg showed gamma1 (Ag2Hg3) polyhedra and eta' Cu6Sn5, but not gamma2. This method effectively identifies alloys prone to forming gamma2...
  16. ncbi Effect of welding method on joint strength of laser-welded gold alloy
    Ikuya Watanabe
    Department of Biomaterials Science, Baylor College of Dentistry, Texas A and M University System Health Science Center, 3302 Gaston Ave, Dallas, TX 75246, USA
    Am J Dent 16:231-4. 2003
    ..To examine the effect of welding method and heat treatment on the strength of laser-welded gold alloy with age-hardenability at intraoral temperature...
  17. ncbi In vitro wear assessment of titanium alloy teeth
    Chikahiro Ohkubo
    Tsurumi University School of Dental Medicine, Yokohama, Japan
    J Prosthodont 11:263-9. 2002
    ..This study examined the wear behavior of teeth made with cast titanium alloy and compared these results with those for CP titanium and gold alloy teeth...
  18. ncbi Electrochemical characterization of cast titanium alloys
    Zhuo Cai
    Baylor College of Dentistry, Texas A and M University System Health Science Center, 3302 Gaston Avenue, Dallas, TX 75246, USA
    Biomaterials 24:213-8. 2003
    ..Within the oxidation potential range of the oral cavity, all the metal/surface combinations examined showed excellent corrosion resistance...