Structural integrity assessment procedure for Europe – of the SINTAP programme overview

Webster, Stephen; Bannister, Adam

doi:10.1016/s0013-7944(00)00070-9

Cited by 53 publications

(29 citation statements)

References 5 publications

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“…(1a), r y1 represents the effective macroscopic yield strength in the x-direction (loading direction), which is an important consideration in this flexible electronics application both for static loading and because it correlates with fatigue strength. 22,23 In Eq. (1b) we require that the effective elastic constant, S 1111 , match that of the substrate, S sub 1111 , to which it is applied.…”

Section: Design Problemmentioning

confidence: 99%

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Texture mediated grain boundary network design in two dimensions

Johnson

Schuh

2016

J. Mater. Res.

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While materials design in the context of texture dependent properties is well developed, theoretical tools for microstructure design in the context of grain boundary sensitive properties have not yet been established. In the present work, we present an invertible relationship between texture and grain boundary network structure for the case of spatially uncorrelated twodimensional textures. By exploiting this connection, we develop mathematical tools that permit the rigorous optimization of grain boundary network structure. Using a specific multi-objective materials design case study involving elastic, plastic and kinetic properties, we illustrate the utility of this texture mediated approach to grain boundary network design. We obtain a microstructure that minimizes grain boundary network diffusivity while simultaneously improving yield strength by an amount equal to half of the theoretically possible range. The theoretical tools developed here could complement experimental grain boundary engineering efforts to help accelerate the discovery of materials with improved performance.

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Section: Design Problemmentioning

confidence: 99%

“…Consider the equivalence relation of Eq. (9f), which requires that the value of a TJDF at the point (x 12 , x 23 ) be equal to the value of the TJDF at point (Àx 23 …”

mentioning

confidence: 99%

Texture mediated grain boundary network design in two dimensions

Johnson

Schuh

2016

J. Mater. Res.

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“…Webster and Bannister examined the correlation of Y/T ratio and yield strength [82]. Two simple relationships were produced, one providing upper bound Y/T ratio, the other providing the best fit to the data.…”

Section: Stress-strain Property Predictionsmentioning

confidence: 99%

Advanced Integration in Multi-Scale Mechanics and Welding Process Simulation in Weld Integrity Assessment

Wilkowski¹,

W²,

Babu³

2008

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“…Fracture toughness is one of the most important material properties for assessing the structural integrity (Webster, 2000) or investigate the causes of component failures (Urriolagoitia, 2012;Delgado, 1998). In the case of components in service, a sample of material must be removed to evaluate fracture toughness which could endanger the integrity of that component; additional concerns arise when the critical testing region is so small that specimens cannot be obtained with the minimum size requirements of the standard test methods.…”

Section: Introductionmentioning

confidence: 99%

Evaluación de la tenacidad a la fractura de anclajes de aceros colados de un puente atirantado por ensayo miniatura de punzonamiento

López-Vargas

Carachéo

Álvarez

et al. 2018

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La evaluación de la vida residual de componentes estructurales en servicio requiere conocer el valor de la tenacidad a la fractura, pero los métodos convencionales para medir la tenacidad demandan remover grandes cantidades de material del componente, lo cual es generalmente impráctico. Sin embargo, el Ensayo Miniatura de Punzonamiento (EMP) (que utiliza especímenes miniatura no estandarizados) ha sido empleado como una alternativa práctica y conveniente para evaluar las características de fractura del material de componentes en servicio. El propósito de esta investigación fue encontrar una relación entre la deformación a la fractura equivalente de EMP ?af y la tenacidad a la fractura JIC de aceros colados de baja aleación procedentes de anclajes de un puente atirantado localizado en el Golfo de México. La tenacidad a la fractura JIC se calculó a partir de los datos experimentales reportados de KIC en un trabajo previo y la deformación a la fractura equivalente se obtuvo mediante el EMP empleando especímenes de 10x10 mm2 por 0.5 mm de espesor. A partir de los resultados de ?af y JIC obtenidos, y correspondientes datos de aceros de baja aleación de la literatura, una correlación lineal fue propuesta para estimar la tenacidad de fractura a partir de la deformación a la fractura equivalente del EMP para los aceros colados pertenecientes a este caso de estudio.

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Structural integrity assessment procedure for Europe – of the SINTAP programme overview

Cited by 53 publications

References 5 publications

Texture mediated grain boundary network design in two dimensions

Texture mediated grain boundary network design in two dimensions

Advanced Integration in Multi-Scale Mechanics and Welding Process Simulation in Weld Integrity Assessment

Evaluación de la tenacidad a la fractura de anclajes de aceros colados de un puente atirantado por ensayo miniatura de punzonamiento

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