Thermo-metallo-mechanical modelling of heat treatment induced residual stress in Ti–6Al–4V alloy

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Residual stress fields dynamically fluctuate throughout the manufacturing process of metallic components and are caused by local misfit of a thermal, mechanical or metallurgical nature. Recent advances have been made in the area of microstructure and residual stress prediction; yet few have considered dual-phase titanium alloys. The aim of the work presented was to carry out a review of the existing state-of-the-art in residual stress modelling with an intended application to industrial heat treatment of Ti–6Al–4V alloy. Four areas were evaluated: thermal, mechanical and metallurgical sub-models, and model validation via residual stress measurement. Recommendations for future research include further investigation of transformation induced plasticity and stress relaxation behaviour in Ti–6Al–4V.
LanguageEnglish
Pages747-766
Number of pages20
JournalMaterials Science and Technology
Volume35
Issue number7
DOIs
Publication statusPublished - 19 Mar 2019

Fingerprint

residual stress
Residual stresses
heat treatment
Heat treatment
stress measurement
Stress measurement
stress relaxation
titanium alloys
Stress relaxation
Titanium alloys
recommendations
plastic properties
stress distribution
Plasticity
manufacturing
microstructure
Microstructure
titanium alloy (TiAl6V4)
predictions
Hot Temperature

Keywords

  • residual stress
  • titanium alloys
  • phase transformation
  • numerical simulation
  • heat treatment
  • stress relaxation

Cite this

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abstract = "Residual stress fields dynamically fluctuate throughout the manufacturing process of metallic components and are caused by local misfit of a thermal, mechanical or metallurgical nature. Recent advances have been made in the area of microstructure and residual stress prediction; yet few have considered dual-phase titanium alloys. The aim of the work presented was to carry out a review of the existing state-of-the-art in residual stress modelling with an intended application to industrial heat treatment of Ti–6Al–4V alloy. Four areas were evaluated: thermal, mechanical and metallurgical sub-models, and model validation via residual stress measurement. Recommendations for future research include further investigation of transformation induced plasticity and stress relaxation behaviour in Ti–6Al–4V.",
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Thermo-metallo-mechanical modelling of heat treatment induced residual stress in Ti–6Al–4V alloy. / Rae, W.

In: Materials Science and Technology, Vol. 35, No. 7, 19.03.2019, p. 747-766.

Research output: Contribution to journalArticle

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AB - Residual stress fields dynamically fluctuate throughout the manufacturing process of metallic components and are caused by local misfit of a thermal, mechanical or metallurgical nature. Recent advances have been made in the area of microstructure and residual stress prediction; yet few have considered dual-phase titanium alloys. The aim of the work presented was to carry out a review of the existing state-of-the-art in residual stress modelling with an intended application to industrial heat treatment of Ti–6Al–4V alloy. Four areas were evaluated: thermal, mechanical and metallurgical sub-models, and model validation via residual stress measurement. Recommendations for future research include further investigation of transformation induced plasticity and stress relaxation behaviour in Ti–6Al–4V.

KW - residual stress

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