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Investigation on the microstructure, mechanical property and corrosion behavior of the selective laser melted CoCrW alloy for dental application
Y. J.; Wu Lu, S. Q.; Gan, Y. L.; Li, J. L.; Zhao, C. Q.; Zhuo, D. X.; Lin, J. X.
2015
Source PublicationMaterials Science & Engineering C-Materials for Biological Applications
ISSN0928-4931
Volume49Pages:517-525
AbstractIn this study, an experimental investigation on fabricating Ni-free CoCrW alloys by selective laser melting (SLM) for dental application was conducted in terms of microstructure, hardness, mechanical property, electrochemical behavior, and metal release; and line and island scanning strategy were applied tadetermine whether these strategies are able to obtain expected CoCrW parts. The XRD revealed that the gamma-phase and epsilon-phase coexisted in the as-SLM CoCrW alloys; The OM and SEM images showed that the microstructure of CoCrW alloys appeared square-like pattern with the fine cellular dendrites at the borders; tensile test suggested that the difference of mechanical properties of line- and island-formed specimens was very small; whilst the outcomes from the electrochemical and metal release tests indicated that the island-formed alloys showed slightly better corrosion resistance than line-formed ones in PBS and Hanks solutions. Considering that the mechanical properties and corrosion resistance of line-formed and island-formed specimens meet the standards of ISO 22674:2006 and EN ISO 10271, CoCrW dental alloys can be successfully fabricated by line and island scanning strategies in the SLM process. (C) 2015 Elsevier B.V. All rights reserved.
description.department[lu, yanjin ; wu, songquan ; gan, yiliang ; zhao, chaoqian ; zhuo, dongxian ; lin, jinxin] chinese acad sci, fujian inst res struct matter, fuzhou 350002, peoples r china. [li, junlei] chinese acad sci, inst met res, shenyang 110016, peoples r china. [zhao, chaoqian] fujian normal univ, coll mat sci & engn, fuzhou, peoples r china. ; lin, jx (reprint author), chinese acad sci, fujian inst res struct matter, 155 yangqiao rd west, fuzhou 350002, peoples r china. ; franklin@fjirsm.ac.cn
KeywordSelective Laser Melting Cocrw Alloys Dental Application Scanning Strategy Corrosion Resistance Metal Release Cr-mo Alloys In-vitro Biocompatibility Bond Strength Carbon Addition w Alloys Cast Implants Nitrogen Ni Evolution
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73880
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. J.,Wu Lu, S. Q.,Gan, Y. L.,et al. Investigation on the microstructure, mechanical property and corrosion behavior of the selective laser melted CoCrW alloy for dental application[J]. Materials Science & Engineering C-Materials for Biological Applications,2015,49:517-525.
APA Y. J..,Wu Lu, S. Q..,Gan, Y. L..,Li, J. L..,Zhao, C. Q..,...&Lin, J. X..(2015).Investigation on the microstructure, mechanical property and corrosion behavior of the selective laser melted CoCrW alloy for dental application.Materials Science & Engineering C-Materials for Biological Applications,49,517-525.
MLA Y. J.,et al."Investigation on the microstructure, mechanical property and corrosion behavior of the selective laser melted CoCrW alloy for dental application".Materials Science & Engineering C-Materials for Biological Applications 49(2015):517-525.
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