Steel skin – SMC laminate structures for lightweight automotive manufacturing

Quagliato, Luca; Jang, Changsoon; Murugesan, Mohanraj; Kim, Naksoo

doi:10.1088/1742-6596/896/1/012086

Cited by 3 publications

(2 citation statements)

References 9 publications

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Section: Introductionmentioning

confidence: 99%

“…The use of discontinuous FRP compression molding compounds like sheet molding compounds (SMC) offers significant advantages such as low material and manufacturing costs and a high degree of design freedom. 1 A further advantage is the adjustable thermal expansion of SMC using additives, similar to the one of steel, which makes a delta-alpha problem and the resulting build-up of residual thermal stresses in a composite hybrid of the two materials obsolete.…”

Section: Introductionmentioning

confidence: 99%

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On the strength of joints of metal-plastic composites of hot-formed steel with an AlSi coating and a thermosetting fiber reinforced compression material

Wehler

Moritz

Fischer

et al. 2020

Proceedings of the Institution of Mechanical Engineers, Part D:

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Novel manufacturing techniques and application of new hybrid materials in the automotive industry increase the challenges in adhesive bonding. One of these is the bonding of coated materials such as high-strength steel with an aluminum-silicon (AlSi) coating, which is mostly used in safety-relevant components such as the front or side bumpers. To further improve the mechanical properties, these steel structures can be locally reinforced with a fiber-reinforced compression molding compound (SMC). In this process, the SMC is pressed directly onto the structure, without any pre-treatment of the surface of the steel, whereby the thermosetting resin matrix forms an adhesive bond with the AlSi coating. The choice of a suitable base resin system is of decisive importance for the joint strength of such directly joined hybrid composites and thus also for the overall performance. Therefore three SMC formulations with different base resins were tested for direct adhesion to a metallic surface of a hot-formed steel with an AlSi coating. The aim of this investigation is to identify a correlation between energetic as well as optical surface characteristics and the mechanical strength of such direct hybrid joints. Furthermore, it shall be examined whether a modification of the base resin in the polymer has a significant influence on the bonding strength and the fracture pattern. For this, the project focuses on new methods for the mechanical testing of metal-plastic hybrid composites.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

On the strength of joints of metal-plastic composites of hot-formed steel with an AlSi coating and a thermosetting fiber reinforced compression material

Wehler

Moritz

Fischer

et al. 2020

Proceedings of the Institution of Mechanical Engineers, Part D:

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show abstract

Joining strength performances of metal skin and CFRP core laminate structures realized by compression-curing process, with supporting experiments

Quagliato¹,

Jang²,

Kim³

2018

AIP Conference Proceedings

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Current Trends in Automotive Lightweighting Strategies and Materials

Czerwiński

2021

Materials

197

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The automotive lightweighting trends, being driven by sustainability, cost, and performance, that create the enormous demand for lightweight materials and design concepts, are assessed as a part of the circular economy solutions in modern mobility and transportation. The current strategies that aim beyond the basic weight reduction and cover also the structural efficiency as well as the economic and environmental impact are explained with an essence of guidelines for materials selection with an eco-friendly approach, substitution rules, and a paradigm of the multi-material design. Particular attention is paid to the metallic alloys sector and progress in global R&D activities that cover the “lightweight steel”, conventional aluminum, and magnesium alloys, together with well-established technologies of components manufacturing and future-oriented solutions, and with both adjusting to a transition from internal combustion engines to electric vehicles. Moreover, opportunities and challenges that the lightweighting creates are discussed with strategies of achieving its goals through structural engineering, including the metal-matrix composites, laminates, sandwich structures, and bionic-inspired archetypes. The profound role of the aerospace and car-racing industries is emphasized as the key drivers of lightweighting in mainstream automotive vehicles.

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Steel skin – SMC laminate structures for lightweight automotive manufacturing

Cited by 3 publications

References 9 publications

On the strength of joints of metal-plastic composites of hot-formed steel with an AlSi coating and a thermosetting fiber reinforced compression material

On the strength of joints of metal-plastic composites of hot-formed steel with an AlSi coating and a thermosetting fiber reinforced compression material

Joining strength performances of metal skin and CFRP core laminate structures realized by compression-curing process, with supporting experiments

Current Trends in Automotive Lightweighting Strategies and Materials

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