On concept of process signature in analysis of multistage surface formation

Autor:	Sabeur Mezghani, Hassan Zahouani, L. Sabri, M. El Mansori
Rok vydání:	2010
Předmět:	Surface (mathematics) Signal processing Materials science Process (computing) Mechanical engineering Surfaces and Interfaces Work in process Condensed Matter Physics Transfer function Signature (logic) Surfaces Coatings and Films Wavelet Abrasive machining Materials Chemistry Biological system
Zdroj:	Surface Engineering. 26:216-223
ISSN:	1743-2944 0267-0844
DOI:	10.1179/174329409x455412
Popis:	In this work, an attempt is made to develop a novel approach based on the concept of process signatures to investigate the correlation of the quality of manufactured surface and the process of its generation which is independent to manufacturing conditions. The process signature is the multiscale modifications of surface topography, which depicts the essential changes of the surface state produced on the original surface after abrasive machining. An advanced signal processing technique, the continuous wavelets transform is used to identify the multiscale transfer function of the process which represents the amount of surface modifications. The applicability of this methodology is demonstrated by several practical examples. It is shown that the signature is strongly influenced by abrasive dispersity and granulometry, process induced modes of deformation. The work demonstrates also that the process signatures respond in a predictable fashion to changes in process variables and combinations of stage.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b5ea32746a250176eee1ad2bc4f78b55 https://doi.org/10.1179/174329409x455412 Zobrazit plný text záznamu Plný text ve formátu PDF