dor_id: 41294

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856.4.0.u: https://rmf.smf.mx/ojs/rmf/article/view/3428/3395

100.1.#.a: Baltazar, A.; Kim, J Y.; Rokhlin, S.

524.#.#.a: Baltazar, A., et al. (2006). Ultrasonic determination of real contact area of randomly rough surfaces in elastoplastic contact. Revista Mexicana de Física; Vol 52, No 1: 37-0. Recuperado de https://repositorio.unam.mx/contenidos/41294

245.1.0.a: Ultrasonic determination of real contact area of randomly rough surfaces in elastoplastic contact

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ciencias, UNAM

264.#.0.c: 2006

264.#.1.c: 2006-01-01

653.#.#.a: Interfacial stiffness; ultrasound; rough surfaces

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2006-01-01, para un uso diferente consultar al responsable jurídico del repositorio por medio de rmf@ciencias.unam.mx

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001.#.#.#: oai:ojs.rmf.smf.mx:article/3428

041.#.7.h: eng

520.3.#.a: Micromechanical characterization of interfacial properties of non-conforming rough surfaces in contact was performed by a method based on ultrasonic waves. The method to estimate the interfacial properties is based on ultrasonic spectroscopy of signals reflected from the interface. Ultrasonic results are complemented with probabilistic contact mechanics to model the normal and tangential interfacial stiffness (K Nand K T ) constants for different degrees of closure. The results show that a single set of stiffness constants K Nand K Tis sufficient to describe the dynamic response of the interface independently of the incident angle of the ultrasonic waves. Plastic deformation of the rough interface is studied using the same ultrasonic method. Experimental results indicate that the hysteretic effect observed by repetitive loading cycles is an indication of plastic deformation at the asperity summits with greater height values. The phenomenon is explained using micromechanical and probabilistic models. The results show the possibility of using the method to estimate the interfacial stiffness, presence of plastic deformation, and the real contact area, which in the past have been impossible to measure accurately.

773.1.#.t: Revista Mexicana de Física; Vol 52, No 1 (2006): 37-0

773.1.#.o: https://rmf.smf.mx/ojs/rmf/index

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handle: 00f4c75b1e9e8399

harvesting_date: 2020-09-23 00:00:00.0

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Artículo

Ultrasonic determination of real contact area of randomly rough surfaces in elastoplastic contact

Baltazar, A.; Kim, J Y.; Rokhlin, S.

Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Ciencias, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Baltazar, A., et al. (2006). Ultrasonic determination of real contact area of randomly rough surfaces in elastoplastic contact. Revista Mexicana de Física; Vol 52, No 1: 37-0. Recuperado de https://repositorio.unam.mx/contenidos/41294

Descripción del recurso

Autor(es)
Baltazar, A.; Kim, J Y.; Rokhlin, S.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Ultrasonic determination of real contact area of randomly rough surfaces in elastoplastic contact
Fecha
2006-01-01
Resumen
Micromechanical characterization of interfacial properties of non-conforming rough surfaces in contact was performed by a method based on ultrasonic waves. The method to estimate the interfacial properties is based on ultrasonic spectroscopy of signals reflected from the interface. Ultrasonic results are complemented with probabilistic contact mechanics to model the normal and tangential interfacial stiffness (K Nand K T ) constants for different degrees of closure. The results show that a single set of stiffness constants K Nand K Tis sufficient to describe the dynamic response of the interface independently of the incident angle of the ultrasonic waves. Plastic deformation of the rough interface is studied using the same ultrasonic method. Experimental results indicate that the hysteretic effect observed by repetitive loading cycles is an indication of plastic deformation at the asperity summits with greater height values. The phenomenon is explained using micromechanical and probabilistic models. The results show the possibility of using the method to estimate the interfacial stiffness, presence of plastic deformation, and the real contact area, which in the past have been impossible to measure accurately.
Tema
Interfacial stiffness; ultrasound; rough surfaces
Idioma
eng
ISSN
2683-2224 (digital); 0035-001X (impresa)

Enlaces