Mechanical characterization of as-cast AA7075/6060 and CuSn6/Cu99.5 compounds using an experimental and numerical push-out test

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Mechanical characterization of as-cast AA7075/6060 and CuSn6/Cu99.5 compounds using an experimental and numerical push-out test. / Greß, Thomas; Stahl, Jens; Mittler, Tim et al.
in: Materials Science & Engineering A, Jahrgang 751, 28.03.2019, S. 214-225.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Greß T, Stahl J, Mittler T, Spano L, Chen H, Ben Khalifa N et al. Mechanical characterization of as-cast AA7075/6060 and CuSn6/Cu99.5 compounds using an experimental and numerical push-out test. Materials Science & Engineering A. 2019 Mär 28;751:214-225. Epub 2019 Feb 23. doi: 10.1016/j.msea.2019.02.080

Bibtex

@article{d3f0857408114ab98cdefd5e5113cff3,
title = "Mechanical characterization of as-cast AA7075/6060 and CuSn6/Cu99.5 compounds using an experimental and numerical push-out test",
abstract = "The present paper describes an experimental method and innovative numerical approach in the mechanical testing of rotationally symmetric, as-cast bilayer compounds using a push-out test. Specimens consisting of AA7075/6060 and CuSn6/Cu99.5 were fabricated by static and semi-continuous compound casting, respectively. Optical and mechanical testing methods showed a cohesive bonding character and a negligibly small transition zone between the joining partners. The shear strength was investigated by using an experimental push-out test. The experiments were reviewed by means of a finite element analysis. Therefore, Johnson-Cock failure parameters were determined for each casting material. Subsequently, a multi-sectional numerical model was built up to simulate the mechanical behavior of an as-cast bimetal sample during push-out testing. Lastly, a numerical parameter study yielded a strong dependency between optimized loads at the interface and the ratio of die clearance and sample thickness as well as the interface position.",
keywords = "Engineering, Bimetal testing, Cohesion, Compound casting, Hybride finite element simulation, Johnson-Cook, Push-out test",
author = "Thomas Gre{\ss} and Jens Stahl and Tim Mittler and Lukas Spano and Hui Chen and {Ben Khalifa}, Noomane and Wolfram Volk",
year = "2019",
month = mar,
day = "28",
doi = "10.1016/j.msea.2019.02.080",
language = "English",
volume = "751",
pages = "214--225",
journal = "Materials Science & Engineering A",
issn = "0921-5093",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Mechanical characterization of as-cast AA7075/6060 and CuSn6/Cu99.5 compounds using an experimental and numerical push-out test

AU - Greß, Thomas

AU - Stahl, Jens

AU - Mittler, Tim

AU - Spano, Lukas

AU - Chen, Hui

AU - Ben Khalifa, Noomane

AU - Volk, Wolfram

PY - 2019/3/28

Y1 - 2019/3/28

N2 - The present paper describes an experimental method and innovative numerical approach in the mechanical testing of rotationally symmetric, as-cast bilayer compounds using a push-out test. Specimens consisting of AA7075/6060 and CuSn6/Cu99.5 were fabricated by static and semi-continuous compound casting, respectively. Optical and mechanical testing methods showed a cohesive bonding character and a negligibly small transition zone between the joining partners. The shear strength was investigated by using an experimental push-out test. The experiments were reviewed by means of a finite element analysis. Therefore, Johnson-Cock failure parameters were determined for each casting material. Subsequently, a multi-sectional numerical model was built up to simulate the mechanical behavior of an as-cast bimetal sample during push-out testing. Lastly, a numerical parameter study yielded a strong dependency between optimized loads at the interface and the ratio of die clearance and sample thickness as well as the interface position.

AB - The present paper describes an experimental method and innovative numerical approach in the mechanical testing of rotationally symmetric, as-cast bilayer compounds using a push-out test. Specimens consisting of AA7075/6060 and CuSn6/Cu99.5 were fabricated by static and semi-continuous compound casting, respectively. Optical and mechanical testing methods showed a cohesive bonding character and a negligibly small transition zone between the joining partners. The shear strength was investigated by using an experimental push-out test. The experiments were reviewed by means of a finite element analysis. Therefore, Johnson-Cock failure parameters were determined for each casting material. Subsequently, a multi-sectional numerical model was built up to simulate the mechanical behavior of an as-cast bimetal sample during push-out testing. Lastly, a numerical parameter study yielded a strong dependency between optimized loads at the interface and the ratio of die clearance and sample thickness as well as the interface position.

KW - Engineering

KW - Bimetal testing

KW - Cohesion

KW - Compound casting

KW - Hybride finite element simulation

KW - Johnson-Cook

KW - Push-out test

UR - http://www.scopus.com/inward/record.url?scp=85062145793&partnerID=8YFLogxK

U2 - 10.1016/j.msea.2019.02.080

DO - 10.1016/j.msea.2019.02.080

M3 - Journal articles

VL - 751

SP - 214

EP - 225

JO - Materials Science & Engineering A

JF - Materials Science & Engineering A

SN - 0921-5093

ER -

DOI