简介:1IntroductionSomeorganiccompoundscantransferenergyabsorbedinUVregiontorareearthionswhiletheycoordinatedwiththeionsandthentherareearthionsemitcharacteristicfluoresence.Theluminousintensityandlifetimeofthecoordinatedrareearthionsismuchmorethanthoseofthefreeions.Soscientiststakeaninterestinthesecomplexes[1,2].Inthispaper,inordertoseeknewluminousmaterialexitedwithlowerenergy,EightcomplexesofEu3+withpyridine2,6dicarboxylicacid(H2DPC)、1,10phenanthroline(phen)andmethylbenzoicacid(MBA),including...
简介:ZM5镁合金上的preplacedAl+红外粉末的激光cladding被执行提高ZM5镁合金的腐蚀抵抗。一冶金契约在涂层/底层接口被获得。激光cladded样品的腐蚀潜力(Ecorr)是对未经治疗的ZM5底层的积极的169mV,当腐蚀电流(Icorr)低大约一个数量级时。激光cladded样品不同于未经治疗的ZM5底层,在极化阴谋显示出一个被动区域。沉浸测试证实激光claddedZM5样品的腐蚀电阻显著地在3.5wt.%NaCl答案被提高。在cladding层和快速的稳固的特征形成的AlIr,Mg17Al12,和艾尔的Al富有的阶段被贡献涂层的改进腐蚀行为。