Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and Modelling

Near- α titanium alloys have extensive applications in high temperature structural components of aircrafts. To manufacture complex-shaped titanium alloy panel parts with desired microstructure and good properties, an innovative low-cost hot stamping process for titanium alloy was stud...

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Main Authors: Zhiqiang Li, Haitao Qu, Fulong Chen, Yaoqi Wang, Zinong Tan, Mateusz Kopec, Kehuan Wang, Kailun Zheng
Format: Article
Language:English
Published: MDPI AG 2019-01-01
Series:Materials
Subjects:
Online Access:http://www.mdpi.com/1996-1944/12/2/223
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author Zhiqiang Li
Haitao Qu
Fulong Chen
Yaoqi Wang
Zinong Tan
Mateusz Kopec
Kehuan Wang
Kailun Zheng
author_facet Zhiqiang Li
Haitao Qu
Fulong Chen
Yaoqi Wang
Zinong Tan
Mateusz Kopec
Kehuan Wang
Kailun Zheng
author_sort Zhiqiang Li
collection DOAJ
description Near- α titanium alloys have extensive applications in high temperature structural components of aircrafts. To manufacture complex-shaped titanium alloy panel parts with desired microstructure and good properties, an innovative low-cost hot stamping process for titanium alloy was studied in this paper. Firstly, a series of hot tensile tests and Scanning Electron Microscope (SEM) observations were performed to investigate hot deformation characteristics and identify typical microstructural evolutions. The optimal forming temperature range is determined to be from 750 °C to 900 °C for hot stamping of TA15. In addition, a unified mechanisms-based material model for TA15 titanium alloy based on the softening mechanisms of recrystallization and damage was established, which enables to precisely predict stress-strain behaviors and potentially to be implemented into Finite Element (FE) simulations for designing the reasonable processing window of structural parts for the aerospace industry.
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spelling doaj.art-1ad6294968b04e058d5cd7a42ade0b8c2022-12-22T03:03:31ZengMDPI AGMaterials1996-19442019-01-0112222310.3390/ma12020223ma12020223Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and ModellingZhiqiang Li0Haitao Qu1Fulong Chen2Yaoqi Wang3Zinong Tan4Mateusz Kopec5Kehuan Wang6Kailun Zheng7Metal Forming Technology Department, AVIC Manufacturing Technology Institute, Beijing 100024, ChinaMetal Forming Technology Department, AVIC Manufacturing Technology Institute, Beijing 100024, ChinaMetal Forming Technology Department, AVIC Manufacturing Technology Institute, Beijing 100024, ChinaMetal Forming Technology Department, AVIC Manufacturing Technology Institute, Beijing 100024, ChinaDepartment of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKDepartment of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKDepartment of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKDepartment of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKNear- α titanium alloys have extensive applications in high temperature structural components of aircrafts. To manufacture complex-shaped titanium alloy panel parts with desired microstructure and good properties, an innovative low-cost hot stamping process for titanium alloy was studied in this paper. Firstly, a series of hot tensile tests and Scanning Electron Microscope (SEM) observations were performed to investigate hot deformation characteristics and identify typical microstructural evolutions. The optimal forming temperature range is determined to be from 750 °C to 900 °C for hot stamping of TA15. In addition, a unified mechanisms-based material model for TA15 titanium alloy based on the softening mechanisms of recrystallization and damage was established, which enables to precisely predict stress-strain behaviors and potentially to be implemented into Finite Element (FE) simulations for designing the reasonable processing window of structural parts for the aerospace industry.http://www.mdpi.com/1996-1944/12/2/223TA15hot stampingphase evolutiondeformationmodelling
spellingShingle Zhiqiang Li
Haitao Qu
Fulong Chen
Yaoqi Wang
Zinong Tan
Mateusz Kopec
Kehuan Wang
Kailun Zheng
Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and Modelling
Materials
TA15
hot stamping
phase evolution
deformation
modelling
title Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and Modelling
title_full Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and Modelling
title_fullStr Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and Modelling
title_full_unstemmed Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and Modelling
title_short Deformation Behavior and Microstructural Evolution during Hot Stamping of TA15 Sheets: Experimentation and Modelling
title_sort deformation behavior and microstructural evolution during hot stamping of ta15 sheets experimentation and modelling
topic TA15
hot stamping
phase evolution
deformation
modelling
url http://www.mdpi.com/1996-1944/12/2/223
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