2002
DOI: 10.1016/s0301-679x(01)00076-7
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Determination of friction coefficient encountered in large deformation processes

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Cited by 45 publications
(32 citation statements)
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“…The initial surface roughness is less than 1.0 m. During compression, the internal and external diameters of the ring will change with the compression ratio according to the friction condition of the interface between tools and ring. As recommended by Arai and Tsuchiya [5], Osakada et al [3,4] and others [6][7][8][9][10][11], the inner diameter was measured at various compression ratios, and the coefficient of friction was determined by plotting the data in a calibration curve of friction coefficient. The calibration curves were theoretically determined by a finite element method (FEM).…”
Section: Methodsmentioning
confidence: 99%
“…The initial surface roughness is less than 1.0 m. During compression, the internal and external diameters of the ring will change with the compression ratio according to the friction condition of the interface between tools and ring. As recommended by Arai and Tsuchiya [5], Osakada et al [3,4] and others [6][7][8][9][10][11], the inner diameter was measured at various compression ratios, and the coefficient of friction was determined by plotting the data in a calibration curve of friction coefficient. The calibration curves were theoretically determined by a finite element method (FEM).…”
Section: Methodsmentioning
confidence: 99%
“…Male, and M.G. Cockford is cited by many authors, including Gieżyńska [5], Sofuoglu and Gedikli [16]. Further studies of this method were conducted among others by Wang and Lenard [18] and also Pawelski et al [15].…”
Section: Introductionmentioning
confidence: 99%
“…A new method (ODBET) developed by Sofuoglu and Gedikli [16] is worth mentioning. It consists of pressing cylindrical samples on the lower anvil, while the top anvil has an edgerounded hole.…”
Section: Introductionmentioning
confidence: 99%
“…En el presente trabajo se describe una metodología a seguir en el proceso de compresión para minimizar el rozamiento e interpretar de manera adecuada los resultados obtenidos [8][9][10] . El estudio se realiza tanto con ensayos experimentales como con métodos numéricos de análisis.…”
Section: Introductionunclassified
“…Frente a métodos convencionales que suelen considerar un comportamiento del material rígido plástico perfecto, como el Teorema del Límite Superior, muy utilizado en el análisis de una gran variedad de procesos de conformado como el estirado [11] , la precisión de las simulaciones numéricas a través del MEF depende en gran medida de la exactitud en la descripción de la caracterización del material [12] . Como se ha demostrado en varios estudios, como el desarrollado por Sofuoglu y Gedikli [8] , la caracterización del material a través del proceso de compresión con matrices planas paralelas es el más recomendado para su implementación en los modelos que se emplearán en las simulaciones de PCDPC, tales como forja [13] , indentación [14] o la Forja Localizada-Incremental (LIF) [15] .…”
Section: Introductionunclassified