[PDF] Top 20 Dynamic Microstructural Characterization of High Strength Aluminum Alloys

... There were distinct deformation and damage modes associated with the high strain rate behavior of the Al 2139 plate. Petalling was noted near the impact area. A shear- cracking mode was also evident throughout the ... See full document

... the microstructural control of fine inclusions improves punching-ability and ...steels, aluminum and brass, because lead is the most effective element for improving the machinability of these materials by ... See full document

... implies high energy retained in the material in the form of crystalline ...achieve high values of deformation, for example, 90% of reduc- tion in area, is generated an enormous density of crystal- line ... See full document

... of aluminum alloys as material application in the aeronautics and automotive industries is due to its high electrical and thermal conductivities, high corrosion resistance, ease of fabrication ... See full document

... Dissimilar aluminum alloys AA2024-T365 and AA5083-H111 were welded by friction stir ...processed alloys was carried out using optical ...and microstructural properties of the ...higher ... See full document

... aluminum alloy were combined with the high strength 2195 aluminum alloy, to obtain a high strength and tough damage tolerant system. The predictions indicated that there are ... See full document

... Aluminum alloys of the system Al-Mg (magnalia) combine good strength and high plasticity, have high processibility, are well distorted, have satisfactory corro- sion resistance and good ... See full document

... as high as ...under high strain rate ...two alloys, and thus it can be inferred that the addition of Sc to the Al alloy yields a significant improvement in its mechanical ... See full document

... Al–Sc alloys are used to fabricate numerous structural components for applications in the aircraft, automobile, transportation, sporting goods, and recreation ...to dynamic impact loading during the course ... See full document

... very high stacking fault energy in high purity aluminum and the consequent rapid microstructural recovery that was documented in an earlier ... See full document

... copper alloys are widely used in many different areas of industries because of their outstanding properties, ...good strength and fatigue ...for high speed electrified trains, panels for solar energy ... See full document

... For aluminum alloys, this is normally done to increase strength and hardness of precipitation-hardenable ...Certain alloys will not gain significant benefits from this process and are ... See full document

... magnesium alloys cast by die casting or permanent mold casting [160, 166-168] typically show these diverse microstructures, ...Mg-Al alloys, the significant grain refining effect of Ca is clearly evident ... See full document

... of alloys Wiron 99 as-cast and Wironia as-cast are characterized by a solid solution array in dendritic disposition of as-cast state (primary phase), Figures 1(a,b) and an interdendritic phase (secondary) ... See full document

... Pure aluminum samples were prepared by three methods: casting, cold pressing and BMA for 1000 ...Cast aluminum samples were cut to a disk shape with the thickness of 8 mm and the diameter of 15 ...from ... See full document

... of strength and ductility/fracture toughness was obtained by eliminating micro ...The high temperature ductility was also remarkably enhanced at the same ...the high micro pore ... See full document

... micro-alloyed high-strength fine grained steel EN S700MC ...At high yield strength it has good resist- ance to fatigue crack growth (Hidvéghy et ... See full document

... The data obtained from the General Full Factorial Design experiment were brought to repeatedly test for the tensile strength for three times. The results were statistically analysed and must be checked for ... See full document

... Based on the consideration of the rheological behaviors of semi-solid slurries, microstructural evolution in regards to solid fraction can be schematically illustrated as Fig. 4(b). In semi-solid forging, when the ... See full document

... Moving downward to the vicinity of the interface between the oxidized region and metallic substrate, ML-SP2 and ML- SP2A exhibited different microstructures (Fig. 6), and the chemical composition of different phases in ... See full document