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CREEP by Mind Map: CREEP
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CREEP

Enhance Creep Resistance

Recubrimiento Ceramico

Cermets o Widias

Deformacion Progresiva a Temperatura constante

Strengh Disminuye Si la Temperature Aumenta

Exposure Time

Strain Rate

Alta Temperatura

Deformacion en Grano de Material

Oxidacion

Recristalizacion en Granos mas gruesos

3 Fases

1-Deformacion Repentina

2-Transient Creep

3-Viscous Creep

Historia

1940 Se Hace importante en el Diseño estructural

1914 Andrade hace ecuacion de curva de creep

L=L0(1+Bt^(1/3))e^kt

L0 (length after application of load but before creep)

B (β creep describes deformation whose rate decreases with time.)

L (length of specimen at the time t)

k

Larson-Miller

Determinacion del tiempo para alcanzar strain dependiendo de temperatura

Depende mas del Strain que del Stress