简介：ＧｅｏｃｈｅｍｉｃａｌＢｅｈａｖｉｏｕｒｏｆＲａｒｅＥａｒｔｈＥｌｅｍｅｎｔｓｉｎｔｈｅＥｒｄａｏｇｏｕＧｏｌｄＤｅｐｏｓｉｔＰａｎｇＪｉａｎｇｌｉ（庞奖励）（ＤｅｐａｒｔｍｅｎｔｏｆＧｅｏｇｒａｐｈｙ，ＳｈａｎｘｉＮｏｒｍａｌＵｎｉｖｅｒｓｉｔｙ，...

简介：ThemorphologyandcorrosionbehaviorofNi/Al2O3compositecoatingspreparedusingdouble-pulsedelectrodepositingtechniqueafteroxidizedunder800℃NaCldepositinairenvironmentwereanalyzedbyscanningelectricalmicroscope(SEM),X-raydiffraction(XRD)andenergydispersivespectrum(EDS).TheresultsshowedthatthecorrosionofallcompositecoatingswasacceleratedunderNaCldeposits,andthecorrosionproductswereratherporouswithpooradherencetothematrix.Al2O3particlesinthecoatingscanrefinethegrainsizeandimprovethehightemperaturecorrosionresistanceofthecoatings.Withinthetestscope,themoreAl2O3particlesinthecoatings,thelowercorrosionratescouldbeobtained,andthecorrosionmechanismwasalsodiscussed.

简介：