A novel process which combines casting with forging during one process was proposed to improve mechanical properties and refine microstructure. The microstructure evolution of as-cast samples and forged samples were analyzed by optical microscope and scanning electron microscope (SEM). The tensile properties and micro-hardness were also measured. The results show that combination of casting and forging can improve microstructure and decrease porosity of casting samples, consequently contributing to a better fatigue performance. The ultimate tensile strength and elongation were increased after forging process, however, the yield strength and micro-hardness decreased.
- Manufacturing Engineering Division
Mechanical Properties and Microstructures of A356 Alloy Prepared by Casting Combined With Forging
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Liang, Z, & Zhang, Q. "Mechanical Properties and Microstructures of A356 Alloy Prepared by Casting Combined With Forging." Proceedings of the ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. Volume 1: Processes. Los Angeles, California, USA. June 4–8, 2017. V001T02A055. ASME. https://doi.org/10.1115/MSEC2017-2715
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