Fabrication and characterization of bone china using synthetic bone powder as raw materials |
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| Affiliation: | 1. College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China;2. Nanjing Haoqi Advanced Materials Co., Ltd, Nanjing 211300, China;1. Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Central Laboratory, Peking University School and Hospital of Stomatology, Beijing 100081, PR China;2. Department of Stomatology, Beijing Hospital, National Center of Gerontology, National Health Commission, Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing 100730, China;1. Gems and Jewelry Program, College of Creative Industry, Srinakharinwirot University, Bangkok 10110, Thailand;2. Science and Technology Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand;1. Sorbonne Universités, UPMC Univ Paris 06, UMR 8233, MONARIS, 75005 Paris, France;2. CNRS-IP2CT, UMR 8233, MONARIS, 75005 Paris, France;3. Département du Patrimoine et des Collections de la Cité de la Céramique, 92310 Sèvres, France;1. Kaleseramik Çanakkale Kalebodur Seramik San. A.S., Canakkale, Turkey;2. Kırıkkale University, Faculty of Engineering, Metallurgy and Materials Engineering Department, Kirikkale, Turkey;1. Applied Inorganic Chemistry Laboratory, Department of Inorganic Chemistry, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon;2. Local Material Promotion Authority, P.O. Box 2396, Yaoundé, Cameroon;3. Building Eco-material Laboratory, International Institute for Water and Environmental Engineering, 01 P.O. Box 594, Ouagadougou, Burkina Faso |
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| Abstract: | The synthetic bone powder was studied as a raw materials for bone china, completely replacing natural bone ash raw materials. The physical and thermal properties of samples obtained by the two bone powders were tested and comparatively studied. Performance tests included pyroplastic deformation, flexural strength, bulk density, sintering shrinkage, water absorption, transmittance, thermal expansion coefficient and the thermal shock resistance. The phase composition and morphology were investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The results indicated that using synthetic bone powder could shorten the preparation time, reduce the sintering temperature and result in high-quality bone china. The pyroplastic deformation decreased from 9.14% to 7.92%, the three-point flexural strength increased from 123 MPa to 191 MPa, the light transmittance (at a 2-mm thickness) increased from 6.7% to 11.2%, the thermal expansion coefficient decreased from 8.24×10−6 °C−1 to 7.69×10−6 °C−1, and the thermal shock resistance increased from 140 °C to 180 °C. A continuous interface layer without cracks was produced by using the synthetic bone powder. |
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| Keywords: | Bone china Synthetic bone powder Physical and thermal properties |
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