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Characterization of manufacturing effects for buckling-sensitive composite cylinders

Chryssanthopoulos, MK, Giavotto, V and Poggi, C (1995) Characterization of manufacturing effects for buckling-sensitive composite cylinders Composites Manufacturing, 6 (2). pp. 93-101.

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This paper presents a detailed statistical analysis on geometric imperfections recorded on two series of nominally identical composite cylinders. These defects can be classified in two categories, both due to the particular manufacturing method used: out-of-roundness and change of thickness due to the overlapping of various layers. The statistical analysis is developed for various purposes: to evaluate the common properties of cylinders with different laminations, to build up a characteristic model for the geometric imperfections suitable for probabilistic simulations in buckling analysis and to identify the parameters for quality control processes. The analysis of the change in thickness due to overlapping layers allows evaluation of the stiffening effects of the manufacturing process that, in some cases, could affect the buckling behaviour of composite cylinders. A standard procedure for the characterization and qualification of manufacturing processes for composite shells, with particular attention to the factors that influence their buckling behaviour, is proposed.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Giavotto, V
Poggi, C
Date : 1995
DOI : 10.1016/0956-7143(95)99649-D
Uncontrolled Keywords : composite cylinders, manufacturing process, geometric imperfections, statistical analysis, buckling behaviour
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:58
Last Modified : 24 Jan 2020 21:30

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