Influence of surface microstructure on bonding strength of modified polypropylene/aluminum alloy direct adhesion

Chen, Jing; Du, Kunpeng; Chen, Xiumin; Li, Youbing; Huang, Jin; Wu, Yutao; Yang, Chaolong; Xia, Xiaochao

doi:10.1016/j.apsusc.2019.05.270

Cited by 59 publications

(20 citation statements)

References 34 publications

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“…However, the direct bonding shear strength of polypropylene and aluminum alloy is only 1.6 MPa, which obviously cannot meet the requirements of product service performance [15]. However, in our previous work [16], the bonding properties of aluminum alloy/modified polypropylene (PP) hybrids have been investigated via compression-molded processing technology, and the maximal tensile shear strength of PMH sample has reached 10 MPa. To better improve the bonding strength of the polypropylene/aluminum alloy hybrid sample in the work, ultrasonic-assisted hot-pressing technology (UAHPT) was used to realize the PP and aluminum alloy direction bonding.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Property and Structure of Polypropylene/Aluminum Alloy Hybrid Prepared via Ultrasound-Assisted Hot-Pressing Technology

Huang

Chen

et al. 2020

Materials

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The polypropylene/aluminum alloy hybrid was prepared via an ultrasonic-assisted hot-pressing technology (UAHPT). The mechanical property and structure of the UAHPT processed polypropylene/aluminum alloy hybrid were explored by the tensile shear test, scanning electron microscopy (SEM), and atomic force microscopy (AFM), respectively. Prior to obtaining the UAHPT processed hybrid, the microporous structures were prepared by the anodic oxidation in a phosphoric acid solution in which the polypropylene (PP) melt flowed into and formed the micro mechanical interlocking structure at the interface of polypropylene/aluminum alloy. The effects of bonding temperature, pressing pressure, ultrasonic amplitude, and ultrasonic time on the bonding properties of the hybrids were investigated via orthogonal experiment. The UAHPT processed hybrid was strengthened and the maximal tensile shear strength reached up to 22.43 MPa for the polypropylene/aluminum alloy hybrid prepared at the optimum vibration processing parameters.

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Section: Introductionmentioning

confidence: 99%

Mechanical Property and Structure of Polypropylene/Aluminum Alloy Hybrid Prepared via Ultrasound-Assisted Hot-Pressing Technology

Huang

Chen

et al. 2020

Materials

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“…The bonding strength rises with the increase of roughness of metal surface [ 5 , 7 ]. Anodic oxidation is a simple and common method to prepare microstructure on metal surface, which is widely applied to aluminum [ 8 , 9 , 10 , 11 , 12 ], stainless steel [ 3 , 13 ], titanium [ 14 , 15 ], tin [ 16 ], and other metals. The basic principle is to use acid electrolyte to corrode micropores on metal surface.…”

Section: Introductionmentioning

confidence: 99%

Research on Surface Treatment and Interfacial Bonding Technology of Copper–Polymer Direct Molding Process

et al. 2021

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To realize the connection of copper and Polyphenylene sulfide (PPS) by metal–polymer direct molding, this paper combined anodic oxidation and chemical corrosion to treat the surface of copper, and carried out the injection molding experiment. An orthogonal experimental arrangement was used to identify the optimal electrolyte and etching solution for preparing a microstructure on a copper surface. The bonding and fracture mechanisms of the copper–polymer assembly were investigated through injection molding experiment and SEM technology. The results revealed that the phosphoric acid concentration had the most significant effect on the microstructure quality and etching solution containing 20% phosphoric acid produced a uniform microstructure with 25.77% porosity and 5.52 MPa bonding strength. Meanwhile, SEM images of the interface from bonding to fracture in the copper–polymer assembly indicated a well-filled polymer in the microstructure with a mainly cohesive fracture mode.

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“…Lithium-ion battery (LIB) is an environmentally friendly energy storage device widely used in the automotive industry, mobile phones, and computers owing to its high energy density and output power. 1,2 The packaging material plays a key role in encapsulating the electrolyte, and it is a multilayer composite film of 100-150 μm in thickness and consists of the outer layer, outer adhesive, aluminum (Al) foil, conversion coating layer, inner adhesive, and inner layer (hot-sealing layer) from the outermost layer to the innermost layer. 3 Figure 1 schematically shows the structure of the soft packaging material currently available in the market.…”

Section: Introductionmentioning

confidence: 99%

“…3 Figure 1 schematically shows the structure of the soft packaging material currently available in the market. The outer layer is usually nylon (Ny) film (Figure 1 [1]), which adheres to one side of the Al foil (Figure 1 [3]) with polyurethane (PU) (Figure 1 [2]). The cast polypropylene (CPP) film (Figure 1 [6]) is customarily used as the inner layer for hot sealing, which adheres to the other side of the Al foil through the inner adhesive such as functionalized polypropylene grafted with maleic anhydride (mPP) (Figure 1 [5]).…”

Section: Introductionmentioning

confidence: 99%

Surface treatment and adhesion strength of aluminum foil for lithium‐ion battery package

Chen

Shen

Xia

et al. 2021

Surface & Interface Analysis

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In this study, an environmentally friendly cerium (Ce) conversion coating was deposited onto the surface of aluminum (Al) foil for preparing the packaging material of lithium‐ion batteries, and its morphology, composition, and formation mechanisms were investigated using scanning electron microscopy (SEM), atomic force microscopy (AFM), energy‐dispersive spectroscopy (EDS), and X‐ray photoelectron spectroscopy (XPS). The packaging material consisting of six layers was prepared by hot pressing using casting polypropylene (CPP) as the inner layer and maleic anhydride (MAH) grafted polypropylene (mPP) as the inner adhesive. The adhesion properties of untreated and Ce‐treated Al foils were characterized by T‐peeling test. The results show that Ce conversion coating is mainly composed of cerium dioxide (CeO2) and cerium sesquioxide (Ce2O3), and Ce treatment leads to a significant increase in the adhesive strength between Al foil and mPP.

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Influence of surface microstructure on bonding strength of modified polypropylene/aluminum alloy direct adhesion

Cited by 59 publications

References 34 publications

Mechanical Property and Structure of Polypropylene/Aluminum Alloy Hybrid Prepared via Ultrasound-Assisted Hot-Pressing Technology

Mechanical Property and Structure of Polypropylene/Aluminum Alloy Hybrid Prepared via Ultrasound-Assisted Hot-Pressing Technology

Research on Surface Treatment and Interfacial Bonding Technology of Copper–Polymer Direct Molding Process

Surface treatment and adhesion strength of aluminum foil for lithium‐ion battery package

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