Mechanical property and structure of polycarbonate /aluminum alloy hybrid prepared by ultrasound-assisted hot-pressing technology

IF 2.9 4区 材料科学 Q2 ENGINEERING, CHEMICAL
Di Cai, Yi Wen, J. Qiu, Bo Sun, Weili Zhang, Youbing Li, T. Xia, Chaolong Yang
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引用次数: 8

Abstract

ABSTRACT Polycarbonate/aluminum alloy hybrids were prepared using a homemade ultrasound-assisted hot pressing molding (UAHPM) technique, and their properties and structures at the plastic-metal interface were also investigated. The aluminum alloy surface was chemically etched and anodized to form micron and nano-holes structures. The joint strength of 21.58 MPa was achieved at the optimum molding process by optimizing the process parameters of ultrasonic hot compression molding. The specific structure and morphology of the polycarbonate/aluminum hybrid material bonding layer were observed by field emission scanning electron microscopy (FE-SEM) using the ultrathin sectioning technique, and the plastic embedding depth reached about 3.8 µm under the optimal process conditions. X-ray photoelectron spectroscopy (XPS) analysis revealed that the bonding layer not only has a micro-nano interlocking structure but also forms an Al-O-C chemical bonding interaction. The plastic in the bonding layer was exposed by dissolving the aluminum alloy of the joint, and the filling form of the plastic in the micro-nanoholes was directly observed.
超声波辅助热压制备聚碳酸酯/铝合金杂化材料的力学性能和结构
摘要采用自制的超声辅助热压成型(UAHPM)技术制备了聚碳酸酯/铝合金杂化材料,并对其在塑料-金属界面的性能和结构进行了研究。对铝合金表面进行化学蚀刻和阳极氧化,以形成微米和纳米孔结构。通过优化超声波热压成型工艺参数,在最佳成型工艺下,接头强度达到21.58MPa。采用超薄切片技术,通过场发射扫描电子显微镜(FE-SEM)观察了聚碳酸酯/铝杂化材料结合层的具体结构和形态,在最佳工艺条件下,塑料嵌入深度达到约3.8µm。X射线光电子能谱(XPS)分析表明,键合层不仅具有微米-纳米互锁结构,而且形成了Al-O-C化学键合相互作用。通过溶解接头的铝合金来暴露接合层中的塑料,并直接观察塑料在微纳米孔中的填充形式。
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来源期刊
Journal of Adhesion
Journal of Adhesion 工程技术-材料科学:综合
CiteScore
5.30
自引率
9.10%
发文量
55
审稿时长
1 months
期刊介绍: The Journal of Adhesion is dedicated to perpetuating understanding of the phenomenon of adhesion and its practical applications. The art of adhesion is maturing into a science that requires a broad, coordinated interdisciplinary effort to help illuminate its complex nature and numerous manifestations.
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