CUED Publications database

Practical matching of principal stress field geometries in composite components

Jones, SE and Platts, MJ (1998) Practical matching of principal stress field geometries in composite components. Composites Part A: Applied Science and Manufacturing, 29. pp. 821-828. ISSN 1359-835X

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Abstract

A simple composite design methodology has been developed from the basic principles of composite component failure. This design approach applies the principles of stress field matching to develop suitable reinforcement patterns around three-dimensional details such as lugs in mechanical components. The resulting patterns are essentially curvilinear orthogonal meshes, adjusted to meet the restrictions imposed by geometric restraints and the intended manufacturing process. Whilst the principles behind the design methodology can be applied to components produced by differing manufacturing processes, the results found from looking at simple generic example problems suggest a realistic and practical generic manufacturing approach. The underlying principles of the design methodology are described and simple analyses are used to help illustrate both the methodology and how such components behave. These analyses suggest it is possible to replace high-strength steel lugs with composite components whose strength-to-weight ratio is some 4-5 times better. © 1998 Elsevier Science Ltd. All rights reserved.

Item Type: Article
Uncontrolled Keywords: B. directional orientation B. stress concentration C. finite element analysis Design
Subjects: UNSPECIFIED
Divisions: Div E > Production Processes
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:40
Last Modified: 08 Dec 2014 02:09
DOI: