Performance of dissimilar metal Self-Piercing Riveting (SPR) joint and coating behaviour under corrosive environment

H. R. Kotadia; A. Rahnama; I. R. Sohn; J. Kim; S. Sridhar

doi:10.1016/j.jmapro.2019.02.024

Performance of dissimilar metal Self-Piercing Riveting (SPR) joint and coating behaviour under corrosive environment

H. R. Kotadia, A. Rahnama, I. R. Sohn, J. Kim, S. Sridhar

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

The present paper investigates the effect of corrosive environments on the degradation and mechanical properties of Self-Piercing Riveting (SPR) joints between dissimilar metals. The investigations were carried out on a lap-shear joint of 5182 aluminium with pure zinc (GI), and a zinc––aluminium––magnesium (ZM or PosMAC ^® 1.5) coated 590DP steel. The experimental results show that corrosion significantly influences the lap shear performance and failure mechanism of the joint depends on the type of coating and pre-treatment with and without primed (80% zinc, 10% aluminium). Detailed microstructural analysis of the SPR specimen and coating reveal the actual mechanism for mechanical property degradation. In ZM coated steel the formation of Mg ²⁺ and Al ³⁺ ions delay transformation of basic zinc salts to ZnO, and thereby retard the rate of corrosion. The experimental evidence supports the proposition that ZM coated steels have four-times superior corrosion resistance compared to zinc-coated steels.

Original language	English (US)
Pages (from-to)	259-270
Number of pages	12
Journal	Journal of Manufacturing Processes
Volume	39
DOIs	https://doi.org/10.1016/j.jmapro.2019.02.024
State	Published - Mar 2019
Externally published	Yes

Keywords

590DP steel
Aluminium
Corrosion
Dissimilar material joining
Self-Pierce Rivet

ASJC Scopus subject areas

Strategy and Management
Management Science and Operations Research
Industrial and Manufacturing Engineering

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10.1016/j.jmapro.2019.02.024

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title = "Performance of dissimilar metal Self-Piercing Riveting (SPR) joint and coating behaviour under corrosive environment",

abstract = " The present paper investigates the effect of corrosive environments on the degradation and mechanical properties of Self-Piercing Riveting (SPR) joints between dissimilar metals. The investigations were carried out on a lap-shear joint of 5182 aluminium with pure zinc (GI), and a zinc––aluminium––magnesium (ZM or PosMAC {\textregistered} 1.5) coated 590DP steel. The experimental results show that corrosion significantly influences the lap shear performance and failure mechanism of the joint depends on the type of coating and pre-treatment with and without primed (80% zinc, 10% aluminium). Detailed microstructural analysis of the SPR specimen and coating reveal the actual mechanism for mechanical property degradation. In ZM coated steel the formation of Mg 2+ and Al 3+ ions delay transformation of basic zinc salts to ZnO, and thereby retard the rate of corrosion. The experimental evidence supports the proposition that ZM coated steels have four-times superior corrosion resistance compared to zinc-coated steels.",

keywords = "590DP steel, Aluminium, Corrosion, Dissimilar material joining, Self-Pierce Rivet",

author = "Kotadia, {H. R.} and A. Rahnama and Sohn, {I. R.} and J. Kim and S. Sridhar",

note = "Funding Information: The key funding of this project as well as the supply of the materials is from POSCO steel South Korea. In addition to that, the characterisation and joining instrumental facility is supported from the Higher Education Funding Council for England (HEFCE) fund and the WMG Centre High Value Manufacturing Catapult is gratefully acknowledged. Publisher Copyright: {\textcopyright} 2019 The Society of Manufacturing Engineers",

year = "2019",

month = mar,

doi = "10.1016/j.jmapro.2019.02.024",

language = "English (US)",

volume = "39",

pages = "259--270",

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T1 - Performance of dissimilar metal Self-Piercing Riveting (SPR) joint and coating behaviour under corrosive environment

AU - Kotadia, H. R.

AU - Rahnama, A.

AU - Sohn, I. R.

AU - Kim, J.

AU - Sridhar, S.

N1 - Funding Information: The key funding of this project as well as the supply of the materials is from POSCO steel South Korea. In addition to that, the characterisation and joining instrumental facility is supported from the Higher Education Funding Council for England (HEFCE) fund and the WMG Centre High Value Manufacturing Catapult is gratefully acknowledged. Publisher Copyright: © 2019 The Society of Manufacturing Engineers

PY - 2019/3

Y1 - 2019/3

N2 - The present paper investigates the effect of corrosive environments on the degradation and mechanical properties of Self-Piercing Riveting (SPR) joints between dissimilar metals. The investigations were carried out on a lap-shear joint of 5182 aluminium with pure zinc (GI), and a zinc––aluminium––magnesium (ZM or PosMAC ® 1.5) coated 590DP steel. The experimental results show that corrosion significantly influences the lap shear performance and failure mechanism of the joint depends on the type of coating and pre-treatment with and without primed (80% zinc, 10% aluminium). Detailed microstructural analysis of the SPR specimen and coating reveal the actual mechanism for mechanical property degradation. In ZM coated steel the formation of Mg 2+ and Al 3+ ions delay transformation of basic zinc salts to ZnO, and thereby retard the rate of corrosion. The experimental evidence supports the proposition that ZM coated steels have four-times superior corrosion resistance compared to zinc-coated steels.

AB - The present paper investigates the effect of corrosive environments on the degradation and mechanical properties of Self-Piercing Riveting (SPR) joints between dissimilar metals. The investigations were carried out on a lap-shear joint of 5182 aluminium with pure zinc (GI), and a zinc––aluminium––magnesium (ZM or PosMAC ® 1.5) coated 590DP steel. The experimental results show that corrosion significantly influences the lap shear performance and failure mechanism of the joint depends on the type of coating and pre-treatment with and without primed (80% zinc, 10% aluminium). Detailed microstructural analysis of the SPR specimen and coating reveal the actual mechanism for mechanical property degradation. In ZM coated steel the formation of Mg 2+ and Al 3+ ions delay transformation of basic zinc salts to ZnO, and thereby retard the rate of corrosion. The experimental evidence supports the proposition that ZM coated steels have four-times superior corrosion resistance compared to zinc-coated steels.

KW - 590DP steel

KW - Aluminium

KW - Corrosion

KW - Dissimilar material joining

KW - Self-Pierce Rivet

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ER -

Performance of dissimilar metal Self-Piercing Riveting (SPR) joint and coating behaviour under corrosive environment

Abstract

Keywords

ASJC Scopus subject areas

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