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首页> 外文期刊>Materials Science and Engineering >Effect of surface nitridingtreatment in a steel plate on the interfacial bonding strength of the aluminum/steel clad sheets by the cold roll bonding process
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Effect of surface nitridingtreatment in a steel plate on the interfacial bonding strength of the aluminum/steel clad sheets by the cold roll bonding process

机译：钢板表面氮化处理对冷轧结合工艺对铝/钢复合板界面结合强度的影响

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摘要

Steel sheets (08Al) with nitriding treatment and with normal wire brushing surface preparation were bonded with aluminum alloy (4A60), respectively, by cold roll bonding (CRB) process. The interface of clad sheets and the surface of the component metals after peeling off were investigated by optical microscopy (OM) and scanning electron microscopy (SEM). The peel strength of the two types Al/steel clad sheets was evaluated by peeling test. The experimental results indicated that a homogeneous Fe_3N hardened and brittle layer with an average thickness of 10 μm formed on the surface of steel layer subject to salt bath nitriding treatment. More cracks and gapes formed at the interface of the Alitrided St clad sheets than those at the Al/brushed St clad sheets during the CRB process. The degree of contact and the bonded surface area in the Alitrided St sheets is higher than those in the Al/brushed St sheets at a given reduction, contributing to the enhancement of bonding strength in the former case. Meanwhile, the peel strength of the Alitrided St clad sheets is higher than that of the Al/brushed St clad sheets, reaching 15.9 N/mm and 10.9 N/mm, respectively, at the same reduction of 60%. In addition, the bonding mechanism of the Alitrided St clad sheets is discussed and it is consistent with the film theory.
机译：通过冷轧结合（CRB）工艺将经过氮化处理和常规钢丝刷表面处理的钢板（08Al）分别与铝合金（4A60）结合。通过光学显微镜（OM）和扫描电子显微镜（SEM）研究了覆层板的界面和剥离后的成分金属表面。通过剥离试验评价两种类型的Al /钢复合板的剥离强度。实验结果表明，经过盐浴渗氮处理后，在钢层表面形成了平均厚度为10μm的均质Fe_3N硬化脆性层。在CRB过程中，在Al /氮化的St复合板的界面上形成的裂纹和间隙比在Al /刷过的St复合板的界面上形成的裂纹和间隙更多。在给定的减少下，Al /氮化的St片中的接触度和结合表面积高于Al /拉丝的St片中的接触度和结合表面积，在前一种情况下有助于增强结合强度。同时，Al /氮化的St包层板的剥离强度高于Al /拉丝的St包层板的剥离强度，分别达到15.9N / mm和10.9N / mm，同时降低了60％。此外，讨论了Al /氮化St复合板的结合机理，并与薄膜理论相吻合。

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  • 来源
    《Materials Science and Engineering》 |2017年第13期|270-278|共9页
  • 作者

    Bo Wu; Long Li; Chengdong Xia; Xiaofeng Guo; Dejing Zhou;

  • 作者单位

    Jiangsu Key Laboratory for Clad Materials, Wuxi 214145, China,Yinbang Clad Material Co., Ltd., Wuxi 214145, China;

    Jiangsu Key Laboratory for Clad Materials, Wuxi 214145, China,Yinbang Clad Material Co., Ltd., Wuxi 214145, China;

    Jiangsu Key Laboratory for Clad Materials, Wuxi 214145, China,Yinbang Clad Material Co., Ltd., Wuxi 214145, China;

    School of Electro-Mechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;

    Jiangsu Key Laboratory for Clad Materials, Wuxi 214145, China,Yinbang Clad Material Co., Ltd., Wuxi 214145, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Al/steel clad sheets; Nitriding treatment; Hardened layer; Peel strength; Cold roll bonding;

    机译：铝/钢复合板;渗氮处理;硬化层;剥离强度冷轧粘合;

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