CO2 laser quick assembly technology is adopted on the surface of cast aluminum ZL104 to form a dense ceramic coating containing a great deal of nanometer Al2O3/
In order to remove hydrogen and inclusions from A356 alloy melt,a low melting-point glass flux,JDN-Ⅱ,was developed.The results indicated that JDN-Ⅱ flux has d
By the NSS test and the test in SO2 gas atmosphere and detecting the corr-t curves, Rp-t curves and the cyclic voltammogram curves, the corrosion resistance o