采用不同异速比对6061铝合金进行了异步冷轧,研究了不同异速比下累积的不均匀变形对其组织和性能的影响。结果表明:随着异速比(1.14~1.39)的增大,6061铝合金板材的晶粒逐渐细化,抗拉强度和伸长率有所增加;当压下量为50%、异速比为1.39时,合金的晶粒最均匀细小,平均晶粒尺寸约为77.6μm,抗拉强度为380 MPa,伸长率达到32.5%。 Asynchronous cold rolling of 6061 aluminum alloy was carried out with different allotment ratios. The effects of uneven deformation accumulated at different speed ratios on the microstructure and properties were studied. The results show that with the increase of all speed ratio (1.14-1.39), the grain size of 6061 aluminum alloy sheet is gradually refined and the tensile strength and elongation increase. When the reduction is 50% 1.39, the alloy grains are the most uniform and fine, the average grain size is about 77.6μm, the tensile strength is 380 MPa, the elongation reaches 32.5%.