2009
DOI: 10.1007/s12289-009-0404-1
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Tube bending and hydroforming of aluminium alloy S-rails

Abstract: This research examines the effect of the tube bending and hydroforming processes on the characteristics of aluminium alloy s-rail structures used in crash applications.

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Cited by 7 publications
(5 citation statements)
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“…(1) Though so many advanced constitutive models are proposed, the most widely used plasticity theories are still the classical ones so far, such as the Hill'1948 was used in reference [42][43][44][45], the Barlat'1989 was used in reference [48][49][50][51]71,74], the nonlinear hardening models of Armstrong-Frederick and Chaboche or their modified types were used in reference [70,83,86,[98][99][100]106,109]. Two reasons are considered can give explanations.…”
Section: Discussionmentioning
confidence: 99%
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“…(1) Though so many advanced constitutive models are proposed, the most widely used plasticity theories are still the classical ones so far, such as the Hill'1948 was used in reference [42][43][44][45], the Barlat'1989 was used in reference [48][49][50][51]71,74], the nonlinear hardening models of Armstrong-Frederick and Chaboche or their modified types were used in reference [70,83,86,[98][99][100]106,109]. Two reasons are considered can give explanations.…”
Section: Discussionmentioning
confidence: 99%
“…Most of the application objects are the drawbending sheet [10,23,33,34,[42][43][44]56,70,77,85,86,97,102,105,118] or stamping sheet [19,50,51], while researches about other forming methods and other profiles such as tube sections [30,48,60] are rare too. These phenomena will limit the promotion of the advanced constitutive models, and finally lead to the out of line for theory development and practical application.…”
Section: Discussionmentioning
confidence: 99%
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“…Oliveira, D. A. and Worswick, M. J. [8] studied the effects of tube bending and hydroforming processes on the appearance of the aluminum alloy S-rail structure by using a full-function tube bending machine and mandrel with a hydroforming press of 1,000 tons, to determine the effect of bending severity on the thickness and stress distribution within the tube. They used Finite Element Method (FEM) to simulate tube bending and hydroforming processes.…”
Section: Introductionmentioning
confidence: 99%
“…Fracturing caused by over-thinning of the outside tube is a major failure in the manufacturing of bending tube, especially during the thick tube forming process [3] . Therefore, it is important to consider a low thinning ratio in the tube bending process.…”
Section: Introductionmentioning
confidence: 99%