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Dureza superficial v2012
 

Dureza superficial v2012

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Clase de dureza superficial a estudiantes de odontologia de la Universidad de Costa Rica.

Clase de dureza superficial a estudiantes de odontologia de la Universidad de Costa Rica.

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  • Interesante presentacion sobre odontologia en costa rica, me fue de mucha utilidad ya que estoy iniciando mis estudios en esta area, si están interesados comparto con ustedes el sitio http://medicoscr.net/26-odontologia.html donde encontrarán un directorio de especialistas en odontologia, saludos y espero ver más aportes.
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    Dureza superficial v2012 Dureza superficial v2012 Presentation Transcript

    • Propiedades de superficieSaturday, March 17, 2012
    • Propiedades de superficie Propiedad MASA SUPERFICIESaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Dureza SuperficialSaturday, March 17, 2012
    • Resistencia a indentación o penetración superficial Pulido Duro Rayado SuaveSaturday, March 17, 2012
    • Indentador Deformación plásticaSaturday, March 17, 2012
    • Tipos de Medición Brinell Vickers Knoop RockwellSaturday, March 17, 2012
    • Tipos de Medición Brinell Vickers Knoop RockwellSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Brinell 123N 1.6 mm 30 segundosSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • BHN L pD ( D - V D2 - d2 ) 2Saturday, March 17, 2012
    • Material BHN (kg/mm2) Oro tipo I 45 Oro tipo II 95 Oro tipo III 120 Oro tipo IV 220 40% Au-Ag-Cu 252 99% Aleación noble 165Saturday, March 17, 2012
    • Knoop, KHNSaturday, March 17, 2012
    • Material KHN (Kg/mm2) Porcelana Feldespática 460 Cr-Co 391 Esmalte 343 Dentina 68 Cemento 40 Cemento Fosfato Zinc 38 Resina de dentaduras 21Saturday, March 17, 2012
    •  Numero de dureza Knoop se calcula: KHN = L l2Cp L = carga aplicada l = el largo de la diagonal mayor de la indentación Cp = es una constante que relaciona l con el área proyectada de la indentación Unidades: Kg./ mm2Saturday, March 17, 2012
    • Vickers,VHNSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Rockwell 12.7 mm Cargas: 30-150 kgSaturday, March 17, 2012
    • Rockwell A Carga B Pre-carga C Tiempo D Recuperación hasta nSaturday, March 17, 2012
    • ODONTO Plásticos 30 Kg. 12.7 mmSaturday, March 17, 2012
    • Pre-carga 3Kg Carga 30 Kg. por 10 minutos Plásticos son materiales viscoelásticos, por lo que? Deformación “rebota”Saturday, March 17, 2012
    • % de recuperación %R = A - B x 100% A “A” es la profundidad del indentador con la carga aplicada por los 10 minutos “B” es la profundidad de la indentación luego de esperar 10 minutos.Saturday, March 17, 2012
    • Material Indentación % Micras Recuperación Resina sin 113 74 relleno Dientes 93 88 Acrílicos Sellantes 85-158 74-86 Resina 56-72 70-83 CompuestaSaturday, March 17, 2012
    • Shore ASaturday, March 17, 2012
    • 1.6 mm 0 a 100 0.8 mmSaturday, March 17, 2012
    • Material Dureza Shore ARebase dentaduras 48-85Protectores bucales 67Silicona maxilofacial 25Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • NanoindentacionesSaturday, March 17, 2012
    • AF MSaturday, March 17, 2012
    • A tomic F orce M icroscopeSaturday, March 17, 2012
    • Dureza superficial tamaño de indentación profundidad de indentaciónSaturday, March 17, 2012
    • Microdureza 3.9 GPa Módulo elastic. 87.5 GPa Microdureza 3.3 GPa Módulo elastic. 72.6 GPaSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Hardness (GPa) Elastic Modulus (GPa) 120 Lingual 6 Lingual Buccal 110 Buccal 5.5 100 5 90 4.5 4.0 Dentin 80 Dentin 3.5 70 Pulp 3 Pulp 60 2.5 50 Mapeo por nanoindentación de la superficie dentalSaturday, March 17, 2012
    • FricciónSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • DesgasteSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • 7nmSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • Bueno Malo Pulido Atrición Erosión AbrasiónSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • DesgasteSaturday, March 17, 2012
    • DesgasteSaturday, March 17, 2012
    • 3.Saturday, March 17, 2012
    • <1>Saturday, March 17, 2012
    • AtriciónSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Bruxismo=Atrición severaSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • Saturday, March 17, 2012
    • <2>Saturday, March 17, 2012
    • AbrasiónSaturday, March 17, 2012
    • Saturday, March 17, 2012
    • <3>Saturday, March 17, 2012
    • ErosiónSaturday, March 17, 2012
    • Factores Contacto microscópicoSaturday, March 17, 2012
    • Factores Interacción-superficiesSaturday, March 17, 2012
    • Factores Dureza superficialSaturday, March 17, 2012
    • Factores Homogeneidad superficieSaturday, March 17, 2012
    • Factores Diferentes materialesSaturday, March 17, 2012
    • Saliva actúa como lubricante, disminuye lafricción y por lo tanto el desgasteSaturday, March 17, 2012
    • Tipos de Desgaste AdhesivoSaturday, March 17, 2012
    • Tipos de Desgaste CohesivoSaturday, March 17, 2012
    • Tipos de Desgaste Fatiga de SuperficieSaturday, March 17, 2012
    • Tipos de Desgaste AbrasivoSaturday, March 17, 2012
    • Laboratorio Clínica 1 :1 Pruebas de desgasteSaturday, March 17, 2012