Ultra-fine grained bulk aluminum produced by accumulative roll-bonding (ARB) process
Ultra-fine grained bulk aluminum produced by accumulative roll-bonding (ARB) process
复制标题
DOI：
10.1016/s1359-6462(98)00302-9
复制
发表时间：
1998-10-05
影响因子：
6
通讯作者：
Hong, RG
中科院分区：
文献类型：
--
作者：
Saito, Y;Tsuji, N;Hong, RG
结果图3。2显示了锯齿状铝的力学性能的变化。拉伸强度随循环次数或应变的增加而增加。令人惊讶的是，经过6次循环后，它达到了300 Mpa。这是起始材料(80 Mpa)的3.7倍。拉伸强度在6次循环后没有变化，呈恒定值。而ARB循环1次后，延伸率从50%降至8%。然而，即使当菌株进一步增加时，它也保持了大约几个百分点的恒定值。
ResultsFig. 2 shows the change in mechanical properties of the ARBed aluminum. The tensile strength increased with increasing number of cycles or strain. Surprisingly it reached 300MPa after 6 cycles. This is 3.7 times greater than that of the starting material (80MPa). The tensile strength did not change after 6 cycles and showed a constant value. On the other hand, the elongation fairly decreased from 50% to 8% by 1 cycle of ARB. It kept, however, the constant value of about several percents even when the strain further increased.