{"title":"Effect of grain refinement on Cp-Ti sheets via repetitive corrugation and straightening technique for implant applications","authors":"Moumita Ghosh, Arunachalam Thirugnanam","doi":"10.1557/s43578-024-01330-8","DOIUrl":null,"url":null,"abstract":"<p>In this work, ultrafine grained commercially pure titanium (Cp-Ti) was developed using repetitive corrugation and straightening (RCS) process. The optical micrographs revealed a 90% grain refinement of processed sample to 5 µm from initial size of 50 µm. The microhardness value revealed a 44.70% increase in hardness from 170 to 246 HV. The ultimate tensile strength was found to be 589 MPa which is 37% more than the as-received sample. The contact angle (45.3°) of processed sample exhibits the hydrophilic behavior of processed sample. This further facilitated the enhanced protein adsorption and cell attachment in the samples which was instantiated by the biocompatibility studies. The <i>in-vitro</i> bioactivity study was conducted on the immersed samples in simulated body fluid and a dense apatite growth with a Ca/P ratio of 1.66 was observed. Hence, RCS processed Cp-Ti is suggested as a potential candidate for load bearing applications.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\n","PeriodicalId":16306,"journal":{"name":"Journal of Materials Research","volume":"25 1","pages":""},"PeriodicalIF":2.7000,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Materials Research","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1557/s43578-024-01330-8","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
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Abstract
In this work, ultrafine grained commercially pure titanium (Cp-Ti) was developed using repetitive corrugation and straightening (RCS) process. The optical micrographs revealed a 90% grain refinement of processed sample to 5 µm from initial size of 50 µm. The microhardness value revealed a 44.70% increase in hardness from 170 to 246 HV. The ultimate tensile strength was found to be 589 MPa which is 37% more than the as-received sample. The contact angle (45.3°) of processed sample exhibits the hydrophilic behavior of processed sample. This further facilitated the enhanced protein adsorption and cell attachment in the samples which was instantiated by the biocompatibility studies. The in-vitro bioactivity study was conducted on the immersed samples in simulated body fluid and a dense apatite growth with a Ca/P ratio of 1.66 was observed. Hence, RCS processed Cp-Ti is suggested as a potential candidate for load bearing applications.
期刊介绍：
Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome.
• Novel materials discovery
• Electronic, photonic and magnetic materials
• Energy Conversion and storage materials
• New thermal and structural materials
• Soft materials
• Biomaterials and related topics
• Nanoscale science and technology
• Advances in materials characterization methods and techniques
• Computational materials science, modeling and theory
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