锻压技术

预制波纹钢/铝复合板轧制工艺模拟与界面结合性能研究

英文标题：Research on rolling process simulation and interface bonding performance of prefabricated corrugated steel/aluminum composite plates

作者：戴刚1 2 陈科2 3 刘元铭1 2 王涛1 2

单位：1. 太原理工大学机械与运载工程学院 2. 太原理工大学先进金属复合材料成形技术与装备教育部工程研究中心 3. 吉林大学机械与航空航天工程学院

关键词：钢/铝复合板轧制复合法预制波纹界面受力情况剪切强度

分类号：TG335

出版年,卷(期):页码：2024,49(1):114-123

摘要：

轧制复合法具有环保、可连续生产等优点，然而传统热轧过程中的界面氧化限制了钢/铝复合板的高质量生产。冷轧预制波纹+热轧平辊整平（波平轧制）工艺通过在Q235钢的表面波纹冷轧一层1060薄铝，有效地防止了Q235钢与5083铝合金直接热轧时钢的界面氧化。采用有限元模拟与轧制试验相结合的方法，研究了钢/铝复合板典型位置的受力情况与剪切性能的特点。结果表明：前波腰位置所承受的较大摩擦应力对钢、铝的结合具有促进作用；波谷与前波腰位置在轧制过程中产生了较大的塑性变形，促进了硬脆层的破裂，有利于钢、铝的结合；波谷与前波腰处的剪切强度优于波峰与后波腰。

The rolling composite method has the advantages of environmental protection and continuous production. However, the high-quality production of steel/aluminum composite plates is limited by the interfacial oxidation in the traditional hot rolling process. Through cold corrugated rolling a layer of thin 1060 aluminum on the surface of Q235 steel, the process combining cold corrugated rolling and hot flat rolling (CCR & HFR) effectively prevented the interface oxidation of the steel when Q235 steel and 5083 aluminum alloy were directly hot rolled. Therefore, the stress conditions and shear performance characteristics of the typical positions of the steel/aluminum composite plate were studied by a method combining finite element simulation and rolling experiments. The results show that the larger friction stress on the front waist position can promote the bonding of steel and aluminum. The trough and front waist positions produce large plastic deformation during the rolling process, which promotes the fracture of the hard and brittle layer and is beneficial to the bonding of steel and aluminum. The shear strength at trough and front waist is better than that at peak and back waist.

基金项目：

国家重点研发计划（2018YFA0707300）；国家自然科学基金区域联合重点项目（U22A20188）

作者简介：戴刚（1997-），男，硕士研究生 E-mail：294800989@qq.com 通信作者：王涛（1985-），男，博士，教授 E-mail：twang@tyut.edu.cn

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