An investigation of damage healing in high temperature compressive forming process

Wenbin Zhou; Shireen Afshan; Jianguo Lin

doi:10.1016/j.promfg.2020.08.108

An investigation of damage healing in high temperature compressive forming process

Wenbin Zhou (Lead / Corresponding author), Shireen Afshan, Jianguo Lin

Mechanical and Electronic Engineering

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Abstract

Damage healing in steel parts enables them to be reused again without going through the conventional metal recycling/remelting process, thus damage healing is a process with potential for reclaiming products while causing less environmental damage, that is, improving resource efficiency. In this paper, damage healing of a porous free cutting steel during a hot flat rolling process has been investigated. A UMAT subroutine incorporating damage healing models has been utilised which includes two stages: void closure and diffusion bonding. The developed UMAT subroutine captures evolution of void volume fraction (vvf) as a result of plastic compression, to model the void closure process and predict the subsequent healing time. Effects of roll gap geometry factor (RGF), initial porosity size (void volume fraction) on porosity elimination during rolling have been investigated.

Original language	English
Pages (from-to)	602-608
Number of pages	7
Journal	Procedia Manufacturing
Volume	50
DOIs	https://doi.org/10.1016/j.promfg.2020.08.108
Publication status	Published - 4 Sept 2020
Event	18th International Conference Metal Forming 2020 - Krakow, Poland Duration: 13 Sept 2020 → 16 Sept 2020

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10.1016/j.promfg.2020.08.108Licence: CC BY-NC-ND

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title = "An investigation of damage healing in high temperature compressive forming process",

abstract = "Damage healing in steel parts enables them to be reused again without going through the conventional metal recycling/remelting process, thus damage healing is a process with potential for reclaiming products while causing less environmental damage, that is, improving resource efficiency. In this paper, damage healing of a porous free cutting steel during a hot flat rolling process has been investigated. A UMAT subroutine incorporating damage healing models has been utilised which includes two stages: void closure and diffusion bonding. The developed UMAT subroutine captures evolution of void volume fraction (vvf) as a result of plastic compression, to model the void closure process and predict the subsequent healing time. Effects of roll gap geometry factor (RGF), initial porosity size (void volume fraction) on porosity elimination during rolling have been investigated.",

author = "Wenbin Zhou and Shireen Afshan and Jianguo Lin",

year = "2020",

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doi = "10.1016/j.promfg.2020.08.108",

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T1 - An investigation of damage healing in high temperature compressive forming process

AU - Zhou, Wenbin

AU - Afshan, Shireen

AU - Lin, Jianguo

PY - 2020/9/4

Y1 - 2020/9/4

N2 - Damage healing in steel parts enables them to be reused again without going through the conventional metal recycling/remelting process, thus damage healing is a process with potential for reclaiming products while causing less environmental damage, that is, improving resource efficiency. In this paper, damage healing of a porous free cutting steel during a hot flat rolling process has been investigated. A UMAT subroutine incorporating damage healing models has been utilised which includes two stages: void closure and diffusion bonding. The developed UMAT subroutine captures evolution of void volume fraction (vvf) as a result of plastic compression, to model the void closure process and predict the subsequent healing time. Effects of roll gap geometry factor (RGF), initial porosity size (void volume fraction) on porosity elimination during rolling have been investigated.

AB - Damage healing in steel parts enables them to be reused again without going through the conventional metal recycling/remelting process, thus damage healing is a process with potential for reclaiming products while causing less environmental damage, that is, improving resource efficiency. In this paper, damage healing of a porous free cutting steel during a hot flat rolling process has been investigated. A UMAT subroutine incorporating damage healing models has been utilised which includes two stages: void closure and diffusion bonding. The developed UMAT subroutine captures evolution of void volume fraction (vvf) as a result of plastic compression, to model the void closure process and predict the subsequent healing time. Effects of roll gap geometry factor (RGF), initial porosity size (void volume fraction) on porosity elimination during rolling have been investigated.

U2 - 10.1016/j.promfg.2020.08.108

DO - 10.1016/j.promfg.2020.08.108

M3 - Article

SN - 2351-9789

VL - 50

SP - 602

EP - 608

JO - Procedia Manufacturing

JF - Procedia Manufacturing

T2 - 18th International Conference Metal Forming 2020<br/>

Y2 - 13 September 2020 through 16 September 2020

ER -

An investigation of damage healing in high temperature compressive forming process

Abstract

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