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Rob S. Dwyer-Joyce ;Ingeniería Mecánica. Tecnología y Desarrollo 2008, 3 1

Autor: Miguel González Valadez

Fuente: http://www.redalyc.org/


Introducción



Ingeniería Mecánica.
Tecnología y Desarrollo ISSN: 1665-7381 fjso@servidor.unam.mx Sociedad Mexicana de Ingeniería Mecánica México González Valadez, Miguel; Dwyer-Joyce, Rob S. On the Interface Stiffness in Rough Contacts Using Ultrasonic Waves Ingeniería Mecánica.
Tecnología y Desarrollo, vol.
3, núm.
1, septiembre, 2008, pp.
29-36 Sociedad Mexicana de Ingeniería Mecánica Distrito Federal, México Available in: http:--www.redalyc.org-articulo.oa?id=76811732005 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative INGENIERÍA MECÁNICA TECNOLOGÍA Y DESARROLLO Fecha de recepción: Fecha de aceptación: Vol.
3 No.
1 (2008) 29 - 36 03-07-08 22-08-08 On the Interface Stiffness in Rough Contacts Using Ultrasonic Waves Miguel González Valadez 2 Rob S.
Dwyer-Joyce 1 CIATEQ, A.C., Gerencia de Turbomaquinaria, Parque Industrial Bernardo Quintana, El Marqués, Querétaro., México miguel.gonzalez@ciateq.mx , govm740508@hotmail.com 2 Department of Mechanical Engineering, The University of Sheffield, Sheffield, UK. r.dwyerjoyce@sheffield.ac.uk 1 Abstract The study proposes the use of a simple spring model that relates the interfacial stiffness with the complex reflection coefficient of ultrasound in a rough contact.
The spring model can not be readily related to the real area of contact as this depends on the amount, shape and distribution of contacting asperities.
However, it is clear that the model is a powerful non destructive tool to evaluate in an easier way both longitudinal and shear interfacial stiffnesses and its ratio. The experimental findings agree well with some theoretical predictions evaluated previously and also corroborate the ultrasonic results found in other studies. Resumen El estudio propone la utilización...





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