Introducing Residual Stresses on Sheet Metals by Slide Hardening under Stress Superposition

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschungbegutachtet

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Introducing Residual Stresses on Sheet Metals by Slide Hardening under Stress Superposition. / Lehmann, Jonas; Chen, Hui; Kruse, Moritz et al.
in: Key Engineering Materials, Jahrgang 883, 27.04.2021, S. 143-150.

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschungbegutachtet

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@article{357d9f97d6cb43fda51eba8041571c5e,
title = "Introducing Residual Stresses on Sheet Metals by Slide Hardening under Stress Superposition",
abstract = "The fatigue strength and product life of the components can be improved by introducing compressive residual stresses using mechanical surface treatment. Appling stress superposition is an option to be used in metal forming to reduce the process force. In this work experimental investigations to analyze the influence of stress superposition on residual stresses of sheet metal parts by a slide hardening process were carried out. The flat and elastically pre-bended specimens (i.e. stress-superimposed specimen) were processed with a slide diamond tool under different loading forces. The residual stress generated through the thickness of the sheet metal was similar for the flat and the pre-bended specimens. The superimposed stress by elastic bending of the sheet metal led to higher compressive residual stress compared to the flat specimen under the same loading force. Nevertheless, the contour of the pre-bended specimen showed more bulking compared to the flat specimen. The mechanical characteristics determined by hardness measurements showed no significant improvement when applying stress superposition. ",
keywords = "Hardening, Residual Stress, Stress Superposition, Engineering, Hardening, residual stress, Stress superposition",
author = "Jonas Lehmann and Hui Chen and Moritz Kruse and {Ben Khalifa}, Noomane",
note = "ISBN(softcover): 978-3-0357-1693-1, ISBN(eBook): 978-3-0357-3693-9; 19th International Conference on Sheet Metal - SHEMET 2021 , SHEMET 2021 ; Conference date: 29-03-2021 Through 31-03-2021",
year = "2021",
month = apr,
day = "27",
doi = "10.4028/www.scientific.net/KEM.883.143",
language = "English",
volume = "883",
pages = "143--150",
journal = "Key Engineering Materials",
issn = "1013-9826",
publisher = "Scientific.Net ",
url = "https://www.shemet.org/2021/",

}

RIS

TY - JOUR

T1 - Introducing Residual Stresses on Sheet Metals by Slide Hardening under Stress Superposition

AU - Lehmann, Jonas

AU - Chen, Hui

AU - Kruse, Moritz

AU - Ben Khalifa, Noomane

N1 - Conference code: 19

PY - 2021/4/27

Y1 - 2021/4/27

N2 - The fatigue strength and product life of the components can be improved by introducing compressive residual stresses using mechanical surface treatment. Appling stress superposition is an option to be used in metal forming to reduce the process force. In this work experimental investigations to analyze the influence of stress superposition on residual stresses of sheet metal parts by a slide hardening process were carried out. The flat and elastically pre-bended specimens (i.e. stress-superimposed specimen) were processed with a slide diamond tool under different loading forces. The residual stress generated through the thickness of the sheet metal was similar for the flat and the pre-bended specimens. The superimposed stress by elastic bending of the sheet metal led to higher compressive residual stress compared to the flat specimen under the same loading force. Nevertheless, the contour of the pre-bended specimen showed more bulking compared to the flat specimen. The mechanical characteristics determined by hardness measurements showed no significant improvement when applying stress superposition.

AB - The fatigue strength and product life of the components can be improved by introducing compressive residual stresses using mechanical surface treatment. Appling stress superposition is an option to be used in metal forming to reduce the process force. In this work experimental investigations to analyze the influence of stress superposition on residual stresses of sheet metal parts by a slide hardening process were carried out. The flat and elastically pre-bended specimens (i.e. stress-superimposed specimen) were processed with a slide diamond tool under different loading forces. The residual stress generated through the thickness of the sheet metal was similar for the flat and the pre-bended specimens. The superimposed stress by elastic bending of the sheet metal led to higher compressive residual stress compared to the flat specimen under the same loading force. Nevertheless, the contour of the pre-bended specimen showed more bulking compared to the flat specimen. The mechanical characteristics determined by hardness measurements showed no significant improvement when applying stress superposition.

KW - Hardening

KW - Residual Stress

KW - Stress Superposition

KW - Engineering

KW - Hardening

KW - residual stress

KW - Stress superposition

UR - http://www.scopus.com/inward/record.url?scp=85120064558&partnerID=8YFLogxK

U2 - 10.4028/www.scientific.net/KEM.883.143

DO - 10.4028/www.scientific.net/KEM.883.143

M3 - Conference article in journal

VL - 883

SP - 143

EP - 150

JO - Key Engineering Materials

JF - Key Engineering Materials

SN - 1013-9826

T2 - 19th International Conference on Sheet Metal - SHEMET 2021

Y2 - 29 March 2021 through 31 March 2021

ER -

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