JP級鋼管磷化的研究.pdf

1、東北大學(xué)碩士學(xué)位論文JP級鋼管磷化的研究姓名：何翊申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：孫挺2002.12.1東北大學(xué)碩士學(xué)位論文ABSTRACTTheStudyofPhosphationForJPGradeSteelTubeAbstractForallmethodsofpretreatmentofmetal，phosphationisawayintroducedfarandwideItisachemicinverttechnolo

2、gyincommonusestodealwithsteel，zinc，magnesium，aluminumanditsalloyFilmformedbyphosphatingnotonlycanadvancebyalongwaytheperformancesoforganiccoatandmetalincombininganddefending，butalsoisagoodcarrieroflubricantsFurthermore，i

3、talsohaswearablefunctionIfthecoatisemployedtogetherwithantirust，itcanincreasegreatlythelifeofworkpiecesIncommonandtraditionalsense，phosphationisthewaythatwedipmetalsintothephosphatingsolutionatacertaintemperatureafterits

4、surfacewastreatedwithdegreasedandphytocidalsolutionThephosphoricliquidiscomposedofMe(H2POD2andmeasurableH3P04，thereintoM=Zn，Mn，Ca，Na，KandsoonAndbecausethephosphationsofheavymetalhaveaparticularnature，thatis，itssolubility

5、decreaseswhentemperatureincreases，atpresent；thetechniquesusedpartlyarehightemperaturephosphation(above900Ctoboilingpoint)Accordingtothesituationthatresourcesarelackgoesfrombadtoworse，itisatrendforusteducewastageandbetter

6、menttechniquesInthiscase，wearelookingforaconditiontorealizemiddletemperature(6080”C)phosphation，butunmovingprimaryfilm’snatureandrelativeparametersInthebaseofabundantexperimentandoptimization，thispaperdiscussestheconditi

7、onofmiddletemperaturephosphationAtfirst，weimprovephosphatingsolution’sconstitutions，whichmadeupofmainlyZnO，HN03，H3P04andmeasurablecatalyzeAtthessaHletime，duringthepretreatmentofphosphation，wedisposethemetal’ssurfacewiths

8、omeconcentrationHN03，whichcanmakemetalphosphatedeffectivelyinashortertimeAtlast，weexperimentwithdifferentsteelssuchasQ235，Q345，j55，N一80，andP110，inaddition，wedeterminethesedifferentfilms’naturesandrelativeparametersInconc