Abstract
The 7003 Al alloy was prepared by equal channel angular extrusion process (ECAP), which microstructures were characterized by transmission electron microscope (TEM). Results showed that dislocation density increases obviously and the average grain size decreases with increasing passes of ECAP. However, after the fourth pass of ECAP, average grain size fails to decrease remarkably and the microstructure is still inhomogeneous. Some parallel micro-bands and the second phase MgZn2 are present in the alloy during annealing.
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Yang, G., Chen, L., Wang, X., Liu, Z., Chen, J., Yi, J., & Shi, Q. (2016). Microstructure evolution of 7003 Al alloy by equal channel angular extrusion process. In Light Metals 2012 (pp. 393–396). Springer International Publishing. https://doi.org/10.1007/978-3-319-48179-1_66
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