0000000000542700

AUTHOR

Seeram Ramakrishna

0000-0001-8479-8686

showing 3 related works from this author

Emerging Standards and the Hybrid Model for Organizing Scientific Events During and After The COVID-19 Pandemic

2020

AbstractSince the beginning of 2020, the coronavirus disease (COVID-19) pandemic has dramatically influenced almost every aspect of human life. Activities requiring human gatherings have either been postponed, canceled, or held completely virtually. To supplement lack of in-person contact, people have increasingly turned to virtual settings online, advantages of which include increased inclusivity and accessibility and a reduced carbon footprint. However, emerging online technologies cannot fully replace in-person scientific events. In-person meetings are not susceptible to poor Internet connectivity problems, and they provide novel opportunities for socialization, creating new collaboratio…

business.product_categorySanitationCoronavirus disease 2019 (COVID-19)event1117 Public Health and Health ServicesConcepts in Disaster Medicine03 medical and health sciences0302 clinical medicineSDG 3 - Good Health and Well-beingPandemicInternet accessHumans030212 general & internal medicineResilience (network)resiliencePandemicsEventPandemicResilienceEvent (computing)business.industryStrategic Defence & Security StudiesSARS-CoV-2pandemicSocializationPublic Health Environmental and Occupational HealthCongressCOVID-19standardPublic relationsStandardcongressCarbon footprintBusinessDelivery of Health Care030217 neurology & neurosurgery
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Surface Characteristics of Machined Polystyrene with 3D Printed Thermoplastic Tool

2020

An effort is made in this work to appraise the surface characteristics of machined expandable polystyrene (EPS) with a novel 3D printed thermoplastic acrylonitrile-butadiene-styrene (ABS) tool. Linear grooves on EPS were made on a vertical milling machine that was modified to conduct experiments in the laboratory. The tests were designed as per the Taguchi L9 based factorial design of experimentation while varying process parameters such as depth of cut, spindle speed, and feed rate. The machining responses dimensional accuracy and surface roughness of the machined grooves were studied. Furthermore, the surface topography of the machined specimens was considered to investigate the mechanism…

0209 industrial biotechnologyMaterials scienceThermoplastic02 engineering and technologylcsh:TechnologyArticle09 EngineeringTaguchi methodschemistry.chemical_compound020901 industrial engineering & automationMachiningSurface roughnessthermoplastic toolGeneral Materials ScienceComposite materialthree-dimensional printinglcsh:Microscopylcsh:QC120-168.85chemistry.chemical_classificationMathematical modellcsh:QH201-278.5lcsh:Tfused deposition modellingFactorial experiment021001 nanoscience & nanotechnologyexpandable polystyrenechemistrylcsh:TA1-2040surface roughnessdimension accuracymillinglcsh:Descriptive and experimental mechanicsPolystyrenelcsh:Electrical engineering. Electronics. Nuclear engineering03 Chemical Sciences0210 nano-technologyBatch productionlcsh:Engineering (General). Civil engineering (General)lcsh:TK1-9971Materials
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Microwave sintering of porous Ti–Nb-HA composite with high strength and enhanced bioactivity for implant applications

2020

Abstract In the present study, high order porous Ti–Nb(50-x)-HA(x) (x = 0,10,20 wt %) composites have been fabricated for orthopedic application by using powder metallurgical route consisting temporary space alloying and rapid microwave sintering process. Structural porosity, elastic modulus, compressive strength, corrosion resistance, and in-vitro bioactivity of as-sintered Ti–Nb-HA composites were studied. Results showed that the reinforcement of the HA assists in the formation of structural porosity, which reduced the elastic modulus. Porous Ti–Nb (with HA 10–20% content) composite possessed 40–60% structural porosity with a pore size of 150–260 μm and exhibited elastic modulus in the ra…

Materials scienceMechanical EngineeringComposite numberMetals and AlloysBiomaterial02 engineering and technologyStress shielding010402 general chemistry021001 nanoscience & nanotechnology01 natural sciences0104 chemical sciencesCorrosionCompressive strengthTAMechanics of MaterialsMaterials ChemistryImplantComposite material0210 nano-technologyPorosityElastic modulusJournal of Alloys and Compounds
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