Flexible adhesives for automotive application under impact loading

Kadıoğlu, Ferhat; Adams, Robert D.

doi:10.1016/j.ijadhadh.2014.08.001

Cited by 63 publications

(25 citation statements)

References 19 publications

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“…The strength performance of adhesive-bonded metal laminates was higher at high strain rates (drop test) contrast to the low strain rates (bending test). Elastic properties of the polymeric material in which when a load is applied molecular chains will experience a phase of restructuring before plastic deformation because the adhesive bonding increases in stiffness at higher strain rate [16]. Under partial load static pressure, constituent molecular chains occur relaxed and effectively facilitate it undergoes plastic deformation phase.…”

Section: Resultsmentioning

confidence: 99%

Ballistic performance of the steel-aluminium metal laminate panel for armoured vehicle

Abdullah¹,

Abdullah²,

Jamil³

2020

JMES

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This paper presents the ballistic performance of the joining lightweight metal laminated panel consists of high strength steel and aluminium alloy for armoured vehicle application. Composite laminates trend in military industry present excellent performance in terms of lightweight material due to the improvement vehicle manoeuvrability, without sacrificing the performance and safety. The combination of aluminium plate and high strength steel offer the good potential for reducing the vehicle weight and improving the ballistic resistance. Ar500 and Al7075-T6 were chosen in designing laminated panel to achieve intended 20-30% weight reduction. Joining between these two materials have been investigated using both brazing method and adhesive bonding method. The adhesive bonding involved two types of material which is epoxy and polyurethane. Mechanical tests such as bending tests, drop weight tests and ballistic tests were performed to assess the strength of the laminated panel. Results showed that polyurethane bonded laminate panel through adhesion process exhibited 75% higher strength that that through the brazing process after performing impact test. Meanwhile, the penetration patterns found numerically are nearly similar to that from the ballistic tests and thus has validated the finite element models developed. The study on application of this laminated plate shall be extended using higher level of threat for hard armour vehicle panel.

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Section: Resultsmentioning

confidence: 99%

Ballistic performance of the steel-aluminium metal laminate panel for armoured vehicle

Abdullah¹,

Abdullah²,

Jamil³

2020

JMES

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“…Another technology, which despite having a longer history has received much development and research interest in the recent past for its light weighting potential is adhesive bonding (AB). Recent research in this field has focused on the adhesive properties and applications at high and low temperatures [11], fracture characterization [12], development and validation of numeric simulation tools [13,14], self-healing and thermally expandable particles in adhesive joints [15], application cases [16,17] as well as many other topics. As adhesive bonding, results in continuous bonds, the load distributions are more even and stress concentrations are avoided, improving the performance of the joints.…”

Section: Adhesive Bonding (Ab)mentioning

confidence: 99%

Development of hybrid friction stir welding and adhesive bonding single lap joints in aluminium alloys

Maciel

Infante

Braga³

et al. 2019

Frattura Ed Integrità Strutturale

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Aeronautical structures have been assembled for decades using a wide variety of welding and joining techniques. Over the last 15-20 years significant developments in joining techniques have occurred. Aluminium alloys have been the main traditional materials in civil aeronautical industry for the fuselage and structural parts. In order to reduce weight, improving fuel efficiency, there is the need to develop innovative solutions to join aluminium components in a single lap joint (SLJ) configuration with higher strength to weight ratio than riveting and fastening. In this work, a combination of the friction stir welding (FSW) and adhesive bonding (AB) processes is presented. Quasi-static mechanical properties, fatigue behaviour and other properties of the friction stir weld-bonding joints were assessed and compared with adhesive only and friction stir welded only joints. The development of this new joining technology, combining FSW with AB, resulting in friction stir weld-bonding, aims to incorporate properties and characteristics of both joining technologies, as well as improving damage tolerance. The present research involved the production of two types of overlap joints-FSW and hybrid friction stir weld-bonding. The main objective of this study is to compare the different joining technologies in lap joint configuration and evaluate the influence of different parameters on the mechanical behavior of the joints. The hybrid joints present higher strength, ductility and hardness, with the highest joint efficiency achieved in the hybrid joint produced with 450 kgf. These findings lead to the conclusion that-hybridization process confers a joint efficiency improvement between 20-30 % in most cases.

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“…Along with increase industrial application potential, adhesives have been the focus of study of many researchers. Some examples of research topics in this field are; adhesive properties and applications at high and low temperatures (Marques et al 2015, Xie et al 2015, Xia et al 2014, adhesive ageing (Pethrick 2014), adhesive joints fracture characterization (Chaves et al 2014), development and validation of numeric simulation tools (Gonçalves et al 2014, Campilho, Banea, and da Silva 2013, Sauer 2015, self-healing and thermally expandable particles in adhesive (Banea et al 2014, Gu andZacharia 2015), application cases (Kadioglu andAdams 2015, Schiel et al 2015), along with other topics. Compared with other joining techniques adhesive bonding results in less stress concentrations, higher vibration damping and fatigue strength.…”

Section: Introductionmentioning

confidence: 99%

Single Lap Joints Numerical Modelling and Comparison with Experimental Testing

Braga

Silva

Moreira

2018

UPjeng

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Adhesive bonding is a joining technique which has been extensively employed in structural design as its ability to join different types of materials allows higher freedom for designers when choosing materials. One of the most common joint configuration used is the single lap joint configuration. In this work a set of experimental procedures were undertaken to characterize a structural adhesive and model the behaviour of a single lap joint manufactured using this adhesive. Two types of surface preparations were used to study its effect in single lap joint strength.

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Flexible adhesives for automotive application under impact loading

Cited by 63 publications

References 19 publications

Ballistic performance of the steel-aluminium metal laminate panel for armoured vehicle

Ballistic performance of the steel-aluminium metal laminate panel for armoured vehicle

Development of hybrid friction stir welding and adhesive bonding single lap joints in aluminium alloys

Single Lap Joints Numerical Modelling and Comparison with Experimental Testing

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