Properties of a gypsum-bonded magnesia investment using a K_2SO_4 solution for titanium casting

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概要

• 論文の詳細を見る

• The purpose of the study was to investigate the effects of a K2SO4 solution on the improvement of the properties of an experimental magnesia-based gypsum-bonded investment.The characteristics of the experimental investment with different ratios of a K2SO4solution were as follows: setting time ranged from 34 to 152 minutes, green and fired compressive strengths were approximately 2.15 to 5.81 MPa and 1.63 to 2.45 MPa, respectively; thermal expansion was 0.38 to 0.47% at 700°C, which did not show any significant differences due to the concentration of the K2SO4 solution. Titanium casting could be obtained using the experimental investment mixed with a 1% K2SO4 solution, and the reaction layer thickness of the casting was less than 200 μm. The results suggest that the experimental investment mixed with 1% K2SO4 showed acceptable physical properties and casting characteristics for titaniumcasting.

• 日本歯科理工学会の論文
• 2009-05-01

著者

• TAMAKI Yukimichi

  Department of Oral Biomaterials and Technology, School of Dentistry, Showa University

• MIYAZAKI Takashi

  Department of Oral Biomaterials and Technology, School of Dentistry, Showa University

• TAKAHASHI Hidekazu

  Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University

• Iwasaki Naohiko

  Advanced Biomaterials, Graduate School of Medical and Dentistry, Tokyo Medical and Dental Univ.

• Takahashi Hidekazu

  東京医科歯科大学 医歯学総合研究科包括診療歯科学講座総合診療歯科学

• Takahashi Hidekazu

  Tokyo Medical And Dental Univ. Tokyo Jpn

• Reza Fazal

  Advanced Biomaterials Department Of Restorative Sciences Division Of Oral Health Sciences Graduate S

• Miyazaki Takashi

  Department Of Oral Biomaterials & Technology Showa University School Of Dentistry

• Miyazaki Takashi

  Department Of Oral Biomaterials And Technology Showa University School Of Dentistry

• Iwasaki Naohiko

  Advanced Biomaterials Department Of Restorative Sciences Division Of Oral Health Sciences Graduate S

• Iwasaki Naohiko

  Advanced Biomaterials Graduate School Of Medical And Dentistry Tokyo Medical And Dental Univ.

• Takahashi Hidekazu

  Advanced Biomaterials Department Of Restorative Sciences Division Of Oral Health Sciences Graduate S

• Miyazaki Takashi

  Showa Univ. School Of Dentistry Tokyo Jpn

• Miyazaki Takashi

  昭和大学 歯学部

• Masuda T

  Department Of Oral Biomaterials & Technology Showa University School Of Dentistry

• Miyazaki Takashi

  Department Of Endocrinology And Metabolism Division Of Molecular Adaptation Research Institute Of En

• Tamaki Yukimichi

  Showa Univ. School Of Dentistry Tokyo Jpn

• Tamaki Yukimichi

  Department Of Oral Biomaterials & Technology Showa University School Of Dentistry

• Takahashi Hidekazu

  Advanced Biomaterials Graduate School Of Medical And Dentistry Tokyo Medical And Dental Univ.

• Takahashi Hidekazu

  Advanced Biomaterials Department Of Restorative Sciences Tokyo Medical And Dental University

• Takahashi Hidekazu

  Oral Biomaterials Engineering Department Of Oral Materials Sciences And Technology Course Of Oral He

• Miyazaki Takashi

  Department Of Animal Science Faculty Of Bioresources Mie University

• Takahashi Hidekazu

  Advanced Biomaterials Department Of Restorative Science Division Of Oral Health Science Graduate Sch

• Takahashi Hidekazu

  Advanced Biomaterials Department Of Restorative Sciences Division Of Oral Health Sciences Graduate S

• Iwasaki Naohiko

  Oral Biomaterials Engineering Course Of Oral Health Engineering School Of Oral Health Care Sciences

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