2019
DOI: 10.3390/ma12233904
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Effect of Compound Fields of Ultrasonic Vibration and Applied Pressure on the 3D Microstructure and Tensile Properties of Recycled Al-Cu-Mn-Fe-Si Alloys

Abstract: The effect of compound fields of ultrasonic vibration and applied pressure (UV+AP) on three-dimensional (3D) microstructure and tensile properties of recycled Al-Cu-Mn-Fe-Si alloys was systematically studied using conventional two-dimensional (2D) microscopy, synchrotron X-ray tomography, and tensile test. The properties of UV+AP treated alloys with the pouring temperature of 740, 710 and 680 °C were compared when those alloys achieved after gravity casting. After UV+AP treatment, the alloy with pouring temper… Show more

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Cited by 22 publications
(11 citation statements)
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“…The synchrotron X-ray tomography experiment was carried out at beamline ID 19 of the European Synchrotron Radiation Facility (ESRF), France. The samples were machined into ~1 mm diameter rod, and the detailed sample preparation procedure can be found in [24][25][26][27]. The parameters used for the tomography acquisition were Journal Pre-proof J o u r n a l P r e -p r o o f 6 summarized in Table 1.…”
Section: Synchrotron X-ray Tomographymentioning
confidence: 99%
“…The synchrotron X-ray tomography experiment was carried out at beamline ID 19 of the European Synchrotron Radiation Facility (ESRF), France. The samples were machined into ~1 mm diameter rod, and the detailed sample preparation procedure can be found in [24][25][26][27]. The parameters used for the tomography acquisition were Journal Pre-proof J o u r n a l P r e -p r o o f 6 summarized in Table 1.…”
Section: Synchrotron X-ray Tomographymentioning
confidence: 99%
“…Hence, we can predict that the temperature of the arc melting pool is high enough to re-melt the equiaxed dendrites region (Figure 4a), while the SDAs help to maintain the growth direction of primary dendrites in subsequent layers (Figures 3a1-b4 and 4f), and finally forms the epitaxial growth. Previous studies reveal that the microstructure of materials depends on both the nucleation condition and subsequent growth stage [19,26]. The UVA treatment WAAM at lower interpass temperature can hinder the growth of epitaxial columnar more effectively and promote the formation of new grains.…”
Section: Microstructure and Compositionmentioning
confidence: 99%
“…Eventually, WAAM parts with refined grains are obtained UVA treatment at a lower interpass temperature process during the nucleation stage. Previous studies reveal that the microstructure of materials depends on both the nucleation condition and subsequent growth stage [19,26]. The UVA treatment WAAM at lower interpass temperature can hinder the growth of epitaxial columnar more effectively and promote the formation of new grains.…”
Section: Microstructure and Compositionmentioning
confidence: 99%
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“…Segregation structure seriously reduced the uniformity of castings, and would not be improved after homogenizing annealing, even separating out a heterogeneous sediment lead to stress concentration and crack initiation. Those have a great impact on mechanical properties, corrosion resistance, physical properties, and castability of ZL205A alloy [ 7 , 8 , 9 , 10 ].…”
Section: Introductionmentioning
confidence: 99%