Finite element based predictions of life limiting behaviour for a large SPF tool

A. A. Deshpande; S. B. Leen; T. H. Hyde

doi:10.1002/mawe.200800296

Finite element based predictions of life limiting behaviour for a large SPF tool

A. A. Deshpande, S. B. Leen, T. H. Hyde

Mechanical Engineering

University of Nottingham

Research output: Contribution to a Journal (Peer & Non Peer) › Article › peer-review

4 Citations (Scopus)

Abstract

SPF tool distortion due to the thermal cycling can lead to the forming of faulty SPF parts. In addition, thermo-mechanical fatigue and creep can cause cracking, which eventually lead to un-repalrable damage to the tool. The aim of this paper is to investigate the thermo-mechanical distortion behaviour of a representative large SPF tool under realistic forming conditions using finite element analysis. Platen-tool contact and clamping pressure along the edges of the tool during the dwell time are modelled. The effects of heating and cooling cycles on tool distortion are analysed using different thermal histories with different heating and cooling rates. The effect of batch size on tool distortion is evaluated to optimise the batch size.

Original language	English
Pages (from-to)	309-316
Number of pages	8
Journal	Materialwissenschaft und Werkstofftechnik
Volume	39
Issue number	4-5
DOIs	https://doi.org/10.1002/mawe.200800296
Publication status	Published - Apr 2008

Keywords

Creep ratchetting
Heatingcooling cycles
Part-forming cycles
Plastic shakedown
Superplastic forming
Thermo-mechanical fatigue and creep

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10.1002/mawe.200800296

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title = "Finite element based predictions of life limiting behaviour for a large SPF tool",

abstract = "SPF tool distortion due to the thermal cycling can lead to the forming of faulty SPF parts. In addition, thermo-mechanical fatigue and creep can cause cracking, which eventually lead to un-repalrable damage to the tool. The aim of this paper is to investigate the thermo-mechanical distortion behaviour of a representative large SPF tool under realistic forming conditions using finite element analysis. Platen-tool contact and clamping pressure along the edges of the tool during the dwell time are modelled. The effects of heating and cooling cycles on tool distortion are analysed using different thermal histories with different heating and cooling rates. The effect of batch size on tool distortion is evaluated to optimise the batch size.",

keywords = "Creep ratchetting, Heatingcooling cycles, Part-forming cycles, Plastic shakedown, Superplastic forming, Thermo-mechanical fatigue and creep",

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year = "2008",

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AU - Deshpande, A. A.

AU - Leen, S. B.

AU - Hyde, T. H.

PY - 2008/4

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N2 - SPF tool distortion due to the thermal cycling can lead to the forming of faulty SPF parts. In addition, thermo-mechanical fatigue and creep can cause cracking, which eventually lead to un-repalrable damage to the tool. The aim of this paper is to investigate the thermo-mechanical distortion behaviour of a representative large SPF tool under realistic forming conditions using finite element analysis. Platen-tool contact and clamping pressure along the edges of the tool during the dwell time are modelled. The effects of heating and cooling cycles on tool distortion are analysed using different thermal histories with different heating and cooling rates. The effect of batch size on tool distortion is evaluated to optimise the batch size.

AB - SPF tool distortion due to the thermal cycling can lead to the forming of faulty SPF parts. In addition, thermo-mechanical fatigue and creep can cause cracking, which eventually lead to un-repalrable damage to the tool. The aim of this paper is to investigate the thermo-mechanical distortion behaviour of a representative large SPF tool under realistic forming conditions using finite element analysis. Platen-tool contact and clamping pressure along the edges of the tool during the dwell time are modelled. The effects of heating and cooling cycles on tool distortion are analysed using different thermal histories with different heating and cooling rates. The effect of batch size on tool distortion is evaluated to optimise the batch size.

KW - Creep ratchetting

KW - Heatingcooling cycles

KW - Part-forming cycles

KW - Plastic shakedown

KW - Superplastic forming

KW - Thermo-mechanical fatigue and creep

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Finite element based predictions of life limiting behaviour for a large SPF tool

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Keywords

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