| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○審査 (推奨): |
| ○カテゴリ (推奨): |
| ○共著種別 (推奨): | □ | 国内共著 (徳島大学内研究者と国内(学外)研究者との共同研究 (国外研究者を含まない))
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| ○学究種別 (推奨): |
| ○組織 (推奨): |
| ○著者 (必須): | 1. | (英) Prananingrum Widyasri (日) (読)
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| 2. | (英) Tomotake Yoritoki (日) (読)
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| 3. | (英) Naito Yoshihito (日) (読)
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| 4. | (英) Bae Jiyoung (日) (読)
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| 5. | (英) Sekine Kazumitsu (日) (読)
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| 6. | 浜田 賢一 ([徳島大学.大学院医歯薬学研究部.歯学域.口腔科学部門.基礎歯学系.生体材料工学])
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| 7. | (英) Ichikawa Tetsuo (日) (読)
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| ○題名 (必須): | □ | (英) Application of porous titanium in prosthesis production using a moldless process: Evaluation of physical and mechanical properties with various particle sizes, shapes, and mixing ratios (日)
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| ○要約 (任意): | □ | (英) The prosthetic applications of titanium have been challenging because titanium does not possess suitable properties for the conventional casting method using the lost wax technique. We have developed a production method for biomedical application of porous titanium using a moldless process. This study aimed to evaluate the physical and mechanical properties of porous titanium using various particle sizes, shapes, and mixing ratio of titanium powder to wax binder for use in prosthesis production. CP Ti powders with different particle sizes, shapes, and mixing ratios were divided into five groups. A 90:10wt% mixture of titanium powder and wax binder was prepared manually at 70°C. After debinding at 380°C, the specimen was sintered in Ar at 1100°C without a mold for 1h. The linear shrinkage ratio of sintered specimens ranged from 2.5% to 14.2%. The linear shrinkage ratio increased with decreasing particle size. While the linear shrinkage ratio of Groups 3, 4, and 5 were approximately 2%, Group 1 showed the highest shrinkage of all. The bending strength ranged from 106 to 428MPa under the influence of porosity. Groups 1 and 2 presented low porosity followed by higher strength. The shear bond strength ranged from 32 to 100MPa. The shear bond strength was also particle-size dependent. The decrease in the porosity increased the linear shrinkage ratio and bending strength. Shrinkage and mechanical strength required for prostheses were dependent on the particle size and shape of titanium powders. These findings suggested that this production method can be applied to the prosthetic framework by selecting the material design. (日)
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| ○キーワード (推奨): | 1. | (英) Materials Testing (日) (読)
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| 2. | (英) Particle Size (日) (読)
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| 3. | (英) Porosity (日) (読)
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| 4. | (英) Prostheses and Implants (日) (読)
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| 5. | (英) Titanium (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Journal of the Mechanical Behavior of Biomedical Materials ([Elsevier])
(pISSN: 1751-6161, eISSN: 1878-0180)
| ○ISSN (任意): | □ | 1751-6161
ISSN: 1751-6161
(pISSN: 1751-6161, eISSN: 1878-0180) Title: Journal of the mechanical behavior of biomedical materialsTitle(ISO): J Mech Behav Biomed MaterPublisher: Elsevier Ltd (NLM Catalog)
(Scopus)
(CrossRef)
(Scopus information is found. [need login]) | [継承] |
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| ○巻 (必須): | □ | 61
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| ○号 (必須): |
| ○頁 (必須): | □ | 581 589
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2016年 4月 19日 (平成 28年 4月 19日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1016/j.jmbbm.2016.04.021 (→Scopusで検索)
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| ○PMID (任意): | □ | 27148637 (→Scopusで検索)
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| ○CRID (任意): |
| ○Scopus (任意): | 1. | 2-s2.0-84966359149
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| ○備考 (任意): | 1. | (英) Derived from Scopus.AUID(7402685574) (日)
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| 2. | (英) Modified using PubMed.PMID(27148637) (日)
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