کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10415227 | 897292 | 2007 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Evaluation of interfacial shear strength and residual stress of sol-gel derived fluoridated hydroxyapatite coatings on Ti6Al4V substrates
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Evaluation of interfacial shear strength and residual stress of sol-gel derived fluoridated hydroxyapatite coatings on Ti6Al4V substrates Evaluation of interfacial shear strength and residual stress of sol-gel derived fluoridated hydroxyapatite coatings on Ti6Al4V substrates](/preview/png/10415227.png)
چکیده انگلیسی
Interfacial shear strength is one of the critical properties in bioceramic coatings on metal implants because it directly affects the success of implantation and long-term stability. In this study, shear strain lag method was employed to evaluate the interfacial shear strength of sol-gel derived fluoridated hydroxyapatite (FHA) coatings on Ti6Al4V substrates. The residual stresses were measured using the “wafer curvature method”. The resultant interfacial shear strength increased from pure HA's â¼393-459Â MPa as fluorine was increased to 1.96Â at% and further increased to â¼572Â MPa as fluorine increased to 3.29Â at%. The residual stresses in the coating also decreased from pure HA's â¼273-190Â MPa and further to â¼137Â MPa as fluorine composition in the coating increased. The reduction in the residual stress mainly comes from the reduction in the difference in coefficient of thermal expansion between the coating and the titanium alloy substrate.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Fracture Mechanics - Volume 74, Issue 12, August 2007, Pages 1884-1893
Journal: Engineering Fracture Mechanics - Volume 74, Issue 12, August 2007, Pages 1884-1893
نویسندگان
S. Zhang, Y.S. Wang, X.T. Zeng, K. Cheng, M. Qian, D.E. Sun, W.J. Weng, W.Y. Chia,