金属材料的界面结合特性是累积叠轧焊技术的关键,在多功能强力热轧机上利用ARB工艺分别对Q235钢和L2纯铝进行了累积叠轧焊自身界面结合特性的试验研究.重点研究了累积叠轧焊材料的界面结合特性,界面结合强度,界面断裂特性,材料组织状态对界面结合的影响.研究结果表明:材料的界面结合性能不仅与首次压下量、变形温度有关,而且,在再结晶温度以下,累积叠轧次数与首次临界变形量共同决定了材料的显微结构,从而决定了材料的界面结合特性,当累积次数超过2次时,材料的界面结合接近基体强度.
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