High-strength Al-Cu-Mg-Ag-Sm alloy was fabricated and subjected to single-stage aging and pre-aging (two-stage aging).Effect of pre-aging on microstructure and
Zr-based bulk metallic glass and copper with different surface roughness were soldered using low temperature eutectic Au-12Ge (wt%) solder on a thermomechanical
Ni(Co/Zn/Cu)Fe2O4/SiC@SiO2,a microwave absorber,was prepared by the sol-gel method.The phase structure and the morphology of the microwave absorbers were charac