Finite element analysis of high strain rate superplastic forming (SPF) of Al–Ti alloys

Yarlagadda, Prasad K., Gudimetla, Prasad V., & Adam, Clayton J. (2002) Finite element analysis of high strain rate superplastic forming (SPF) of Al–Ti alloys. Journal of Materials Processing Technology, 130-13, pp. 469-476.

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Presents the numerical results obtained from the finite element analyses of the superplastic forming (SPF) of Al–Ti alloys. The models are used to optimise the process and predict forming times in terms of deformed shapes, stress–strain distributions and thickness evolution across the facets of fully formed surfaces. Unlike earlier studies that have used membrane elements, this is an exercise using shell elements in an attempt to estimate stresses, slip planes and variation of friction coefficients during the forming process. The simulations were validated using previously reported experimental results. The constitutive modelling was based on the elastic–viscoplastic material properties, taking into account the viscous flow parameters of the sheet metal. ABAQUS/standard finite element code was used to simulate the SPF process. The results indicate good correlation amongst the theoretical, experimental and finite element analyses.

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7 citations in Web of Science®

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ID Code: 20165
Item Type: Journal Article
Refereed: Yes
Additional Information: Don't have a word version
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Keywords: Superplasticity, Superplastic forming, SPF, Al–Ti alloy systems, Constitutive modelling, ABAQUS
DOI: 10.1016/S0924-0136(02)00782-3
ISSN: 0924-0136
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > ENGINEERING DESIGN (120400) > Models of Engineering Design (120405)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Metals and Alloy Materials (091207)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MANUFACTURING ENGINEERING (091000) > Manufacturing Processes and Technologies (excl. Textiles) (091006)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Deposited On: 30 Apr 2009 22:46
Last Modified: 07 Dec 2010 22:55

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