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| 1 | Insight of magnesium alloys and composites for orthopedic implant applications-a review显示文摘Magnesium(Mg)and its alloys have been widely researched for orthopedic applications recently.Mg alloys have stupendous advantages over the commercially available stainless steel,Co-Cr-Ni alloy and titanium implants.Till date,extensive mechanical,in-vitro and in-vivo studies have been done to improve the biomedical performance of Mg alloys through alloying,processing conditions,surface modification etc.This review comprehensively describes the strategies for improving the mechanical and degradation performance of Mg alloys through properly tailoring the composition of alloying elements,reinforcements and processing techniques.It also highlights the status and progress of research in to(i)the selection of nutrient elements for alloying,reinforcement and its effects(ii)type of Mg alloy system(binary,ternary and quaternary)and composites(iii)grain refinement for strengthening through severe plastic deformation techniques.Furthermore it also emphasizes on the importance of Mg composites with regard to hard tissue applications. | R Radha D Sreekanth | 2017 | Journal of Magnesium and Alloys2017，5，3： | 21 |
| 2 | Mechanical and corrosion behaviour of hydroxyapatite reinforced Mg-Sn alloy composite by squeeze casting for biomedical applications显示文摘Magnesium alloys have gained increasing attention for biomedical applications due to their biocompatibility and the biodegradability.Hydroxyapatite(HA)is known to be a highly bioactive because of its similar chemical and crystallographic structures to bone.Therefore,HA is believed to be a potential ceramic material for the fabrication of Mg based composites,to combine the advantages of both Mg and HA.But,in general,the composites known to be more susceptible to corrosion attack than the matrix alloy.Hence,in the present work,Sn is used as an alloying element to evaluate its effect on mechanical as well as corrosion properties of Mg/HA composites.Mg with 5 wt%HA and Mg-1 wt%Sn-5 wt%HA composites were prepared separately by stir assisted squeeze casting route.The phase analysis and microstructure were characterized by X-ray diffraction(XRD)and scanning electron microscope(SEM)coupled with energy dispersive spectroscopy(EDS)respectively.Mechanical properties were evaluated by conducting the compression and micro hardness tests.Corrosion properties of as-cast composites were studied by linear polarization,Tafel and electrochemical impedance spectroscopy(EIS)techniques.The results of both XRD and SEM-EDS revealed that the main constitutional phases of as-cast Mg/HA composites were a-Mg and HA whereas,in Mg-Sn/HA composites,the phase Mg^Sn was observed along with fine distribution of HA particles.In both the cases,no interfacial reactions observed.The yield strength,ultimate compression strength and hardness were found to be increased with the addition of Sn in Mg/HA composites.Furthermore,the addition of Sn also played an important role in increasing the corrosion resistance of the Mg/HA composites which was attributed the refinement of grain size and the formation of Mg2Sn phase along the grain boundaries.Hence,it was concluded that the addition of Sn improves both mechanical and corrosion properties of Mg/HA composites. | R Radha D.Sreekanth | 2020 | Journal of Magnesium and Alloys2020，8，2： | 6 |
| 3 | Structural roles of calcium ions and side chains in welan:an X-ray study显示文摘 | Chandrasekaran R Radha A Lee E J | 1994 | Carbohydr Res1994，252，15： | 1 |
| 4 | Structural roles of calcium ions and side chains in welan:an X-ray study显示文摘 | Chandraseksran R Radha A Lee E J | | 0，，： | 1 |
| 5 | A Novel Cluster Reformation Scheme to Improve Key Predistribution for Wireless Sensor Networks显示文摘 | Kishore R Radha S | 2009 | Interna-Tional Conference on Advances in Computing Control and Telecommunic-ation Technologies2009，2009，： | 1 |
| 6 | Singularity analysis and localized coherent structures in (2 + 1 ) - dimensional generalized Korteweg - de Vries equations显示文摘 | Radha R Lakshmanan M | 1994 | J Math Phys1994，35，： | 1 |
| 7 | Clustering web transactions using rough approximation 显示文摘 | De S K Suprlya Kumar Krishna P R P Radha | 2004 | Fuzzy Sets and Systems Volume 148 Issue 1 November 162004，2004，： | 1 |
| 8 | Translation-invariant contourlet transform and its application to image denoising显示文摘 | ESLAMI R RADHA H | 2006 | IEEE Transactions on Image Processing2006，15，11： | 1 |
| 9 | A New Family of Nonredundant Transformations Using Hybrid Wavelets and Directional Filter Banks 显示文摘 | ESLAMI R RADHA H | 2007 | IEEE Trans on Image Processing2007，14，4： | 1 |
| 10 | Preparation and characterization of a protein hydrolysate from an oilseed flour mixture显示文摘 | RADHA C KUMAR P R PRAKASH V | 2007 | Food Chem2007，106，3： | 1 |
| 11 | Enzymatic modification as a tool to improve the functional properties of heat-processed soy flour显示文摘 | Radha C Kumar P R Prakash V | 2008 | Journal of Science of Food and Agricuhure2008，88，2： | 1 |
| 12 | Translation-invariant Contourlet transform and its application to image denoising显示文摘 | Eslami R Radha H | 2006 | IEEE Transactions on Image Processing2006，15，11： | 1 |
| 13 | On o -starlike and ot -close-to-convex functions with respect to n-symmetric points显示文摘 | Pavatham R Radha S | 1986 | Indian J Pure Appl Math1986，16，： | 1 |
| 14 | On the mechanism of nanopore filling of SAPO-5 molecular sieve by nitrogen molecules 显示文摘 | Boddenberg B Radha R V Grosse R | 2004 | Langmuir2004，20，10： | 1 |
| 15 | Wavelet-based contourlet transform and its application to image coding 显示文摘 | Eslami R Radha H | 2004 | IEEE International Conference on Image Processing2004，5，： | 1 |
| 16 | X-ray and conformation analysis of arabinan显示文摘 | RADHA A CHANDRASEKARAN R | 1997 | Carbohydrate Research1997，298，： | 1 |
| 17 | Translation-invariant Contourlet Transform and Its Application to Image Denoising 显示文摘 | Eslami R Radha H | 2006 | IEEE Trans on mage Processing2006，15，11： | 1 |
| 18 | Wavelet-based contourlet transform and its application to image coding显示文摘 | RADHA H | 2004 | International Conference on Image Processing2004，5，： | 1 |
| 19 | Epidemiology of Needle Sticks Injuries Among The Health Care Workers of A RuralTertiary Care Hospital-A CrossSectional Study显示文摘 | Radha R Khan A | 2012 | Natl J Community Med2012，3，4： | 1 |
| 20 | Cellular immune responses tocytomegalovirus in renal transplant reeipients显示文摘 | Jordan S PaliyandaD | 2005 | Am J Transplant2005，5，1： | 1 |
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