电镀黑铬太阳能选择性吸收器的热稳定性及耐蚀性

《电镀黑铬太阳能选择性吸收器的热稳定性及耐蚀性》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、VIoI．28No．8【电镀】Thermalstabiliandc0rr0si0nresistance0felectr0platedblackchr0miums0larselectiveabs0IIberM．R．Bayati，一，K．Janghorban，M．H．Sh撕at(1．D印amnentofMetallu唱icalandMaterialsEngiIleeg，IranUniVers时ofScienceandTechnology，Tehran，Iran；2．D印artrI1emofMateria1sScienceandEngi

2、neering，Schoo1ofEngeering，ShzuniVersit)r，Shiraz，I啪)Abstract：BlackchromiumisoneOfthemostat仃activesolaf黑铬镀层作为对比。根据lSo／CDl2592．2标准，评价了热处理selectiveabsorberspassed12lboratOIyexperimentsandhas循环前后镀层的太阳能吸收／发射性能和热稳定性。分别采用扫practicallybeenusedsOlarmemalcollectOrs．TheaimOf描电镜和x射

3、线衍射，表征了镀层的微观结构和化学组成。采tl1isresearchistoevaluatememenTlalst￡lbilitVandconl0siOn用分光光度法测量了镀层的吸收率和发射率。结果表明，镀液resistanceOfblackchr0miumsOlarselectiveabsOrbers．Black中的配位剂对镀层的热稳定性有显著影响。与六价铬镀层相比，chr0miumlayerswereelec仃oplatedoncoppersubs仃ates三价铬镀层具有更优异的热稳定性和耐蚀性。Omabathcontaini

4、ngtrivalentandhexavalentchr0mium关键词：黑铬；电镀；太阳能吸收器；选择性；耐久性ions，respectively．Solarabsor1)tiOnandemissionweremeasuredbyspectrophotom咖rbefl0reandafterheatlIntr0ductiOn仃eatn1entcyclesandtllethe咖als切bilityofthedepOsitedlayerswasevaIuatedaccOrdingt0ISO／CD12592．2standard．Inph0

5、t0memalsOlarenergyconVersion，themostScanningelec仃onmicroscopy(SEM)andX-raydi衢actionimportantaIldcriticalpartoftheso1arco1lectoristhe(×RI))tec}u1iqueswereemp1oyedtocharacterize￡lbsOrbersumcewhichshOuldabsOrbmaximumsOlarmicr0stn1ctureandchemicalcompositionofthelavers，ra

6、diationandconvertitintoheat【¨．ThecostandeffectiverespectiVely．Itwasf0undtl1atcomplexingagentintheutilizatiOnofsOlarenergyrequiresane佑cientabsorber．electr0platingbathhasasig皿ificanteff-ectonthennals切bi1ityOfmedepOsitedabsOrberlaVers．nwaSalsorevealedmatmeAne伍cients0lars

7、ulceisdef，medashaVingahitrivalentchmmiumcoatinghassuperiorthem1alstabi1ityaⅡdabsOI1)tiOncOe伍cientOVerthewaVelengthrangeofsO1arcOrrosionresistancet0thehexavalentchromiumcoatin2．mdiations(0．3～2．0m)andlowemissioncoe衔cientforKeywOrds：blackchmmium；elec仃oplating；so1arabsorb

8、er；lOngwaVelengthradiatiOns．ThisprOpertyisnamedasselectivity：durabilitvselectivit)r[．ThoughrecentresearchesmainlyvisualizeCL