銅、黃銅基體化學鍍Ni-P合金及Ni-Cu-P合金的研究.pdf

1、重慶大學碩士學位論文銅、黃銅基體化學鍍NiP合金及NiCuP合金的研究姓名：張朝陽申請學位級別：碩士專業(yè)：物理化學指導教師：魏錫文2001.3.1^、重鏖查蘭堡主堂垡笙塞—————————型塑翌!壘!工ABSTRACTElectrolessnickleplatingtechnologyhasbecomeanimportantoneanditISmeaningfultostudyanddevelopelectrolessnicklepla

2、tingtechnologyTIlispapertookcopperandbrassmaterialsasmatrixeswhichneedtobeplated，studiedthetechnologyofNiPalloyandNiCuPthreememberalloyplatinglayeronthesematrixes，optimizedtherelevantformulations，discussedtheeffectsonpla

3、tingvelocitybyeverytechnicalparameterandcomparedthepropertiesandconfigurationsbetweenNiPalloyandNiCuPthreememberalloyplatinglayerTostudythemechanismofrelevantreactionmoredemiledlythepaperadoptedsomepropermodelsofatomclus

4、terexploredtheruleofelectrondistributionandelectronegativeofcopperandzincinthebrassn嵋resultshowedtherewereatrendofelectron‘‘share”andcertainbondedfunctionbetweencopperandzincatomsinbrassmatrixes，andWecouldexpandtllbSande

5、rson“electronegativeequilibriumprinciple”toalloysystemssuchasbrasseonditionallyItWasexactlyelectronegativeequilibriumgeneratedbycopperzincalloythatchangedthechemicalcharacterofcopperandzincinbrasss仃engthenedstabilityofbr

6、assandrestrictedzinceffusionfrombrassintheplatingsolutionElectrolessplatingreactionoccurredontheactivesurfaceTheactivationofmetallicsurfaceliedonthreefactors：thepropertyofmetallicsurface，reducerandthefunctionalmannerbetw

7、eenreducerandmetallicsurfaceCombinedtheprevalenttheoriesonelectrolessplating，thepaperfoundedaMH一R(M—metallicsurfacesuchasnicheandcopperHactivehydrogenatomjflreducer’RatomconnectedwitIlactivehydrogenatominreducer)modeland

8、discussedtheumasitionalstategeneratedbythereciprocitybetweenreducerandmetallicsurfaceBym既ln8ofthismodel，thepapercalculatedandanalyzedtheprocessoflectmlessnicheplating(reducerWaSsodiumhypophosphite)andelect∞lesscopperplat

9、ing(reducerw∞formaldehyde)11beresultaccordedwimthefactsfairlygoodMeanwhilethepapertookatheoreticalexplanationonthedifferenceofcatalyticactivationofcopperandnicklewhentheywereindifferentplatingsolutionsystemsFinallycombin

10、edthefactsofexpeHment，thepaperdeemedthatitoccurredelectrothemicalprocessintheinducingreactionandposeda“hydridelectrochemistrymechanism’’intheprocessofelectrolessNiCuPalloyplatingKeywordscopper／brassmatrixesquantumchemist