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STUDY OF THE ARTIFICIAL AGING KINETICS OF DIFFERENT AA6013-T4 HEAT TREATMENT CONDITIONS

机译:不同AA6013-T4热处理条件的人工时效动力学研究

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The Aluminium alloy AA6013 was developed for aircraft fuselage applications and the transportation industry and its attractive combination of mechanical properties, formability, corrosion resistance and weldability makes it ideal for automotive sheet applications. Due to the high strength level of AA6013 in temper T6 it can be considered as a replacement option for commercial steel grades allowing maximum weight savings without losses in strength. In the present work an (ⅰ) improved heat treatment cycle for industrial production of alloy AA6013 in temper T4 is presented with the objective to reduce the subsequent time consuming and costly artificial aging. The hereby produced T4 temper sheet material is (ⅱ) analyzed in comparison to standard T4 in terms of artificial aging kinetics and (ⅲ) the process of formation and dissolution of precipitates is studied by using differential scanning calorimeter (DSC).
机译:AA6013铝合金是为飞机机身应用和运输行业开发的,其机械性能,可成型性,耐腐蚀性和可焊接性的完美结合使其非常适合汽车板应用。由于A6高温状态下AA6013的强度很高,因此可以认为是商用钢种的替代选择,可最大程度地减轻重量而不会损失强度。在目前的工作中,提出了一种改进的热处理循环,用于在T4温度下工业生产AA6013合金,目的是减少随后的时间消耗和昂贵的人工时效。由此制备的T4回火片材材料在人工时效动力学方面与标准T4相比进行了(○)分析,并且(○)使用差示扫描量热仪(DSC)研究了沉淀物的形成和溶解过程。

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