(中南工業(yè)大學材料科學與工程系，長沙410083)
摘 要: 采用正交試驗法研究了熱軋復合工藝(包括加熱溫度、保溫時間、熱軋復合總加工率和道次加工率分配方式)對界面結(jié)合強度的影響，并應(yīng)用金相顯微鏡及掃描電鏡(SEM)分析了界面的結(jié)合特性，確定了高阻尼鋁合金層壓板熱軋復合的較優(yōu)工藝：熱軋復合加熱溫度350℃，保溫時間1h，總軋制加工率75%，第一、二道次加工率之和為35%左右。熱軋復合板的界面結(jié)合為冶金結(jié)合。
關(guān)鍵字: 阻尼材料 熱軋復合 結(jié)合強度 界面特性
INTERFACIAL CHARACTERISTICS OF HIGH
DAMPING LAMINATE ALUMINIUM ALLOY SHEET
（Department of Materials Science and Engineering,
Central South University of Technology, Changsha 410083）
Abstract:The hot-roll bonding is a key procedure to produce high damping laminate aluminium alloy sheets. The influences of hot-roll bonding technologies involving heating temperature, holding time, total reduction ratio and reduction ratio per operation on interfacial bonding strength of various layers in the composite were studied by means of orthogonal test method. The interfacial characteristics between various bonding layers were analysed with metalloscope and scanning electron microscope. The optimum technologies for manufacturing hot-roll bonding high damping laminate aluminium alloy sheets were determined, that is, heating temperature 350℃, holding time 1 h, total reduction ratio 75%, summary reduction ratio of the first and second operations 35%.
Key words: damping materials hot-roll bonding bonding strength interfacial characteristic
