粉末涂料涂層附著力檢測(cè)方法與裝置研究.pdf

1、分類號(hào)：M／7干弓叩密級(jí)：Y870755單位代碼：學(xué)號(hào)：10422jDD】tt；t3山東歲，孳碩士學(xué)位論文ShandongUnivcrsityMaster’sThesls論文題目：粉采溶料涂屬橢勿檢測(cè)易竣夸艇愛研覽作者姓名趙盤趁專業(yè)盤呈壘蕉地扭指導(dǎo)教師姓名專業(yè)技術(shù)職務(wù)垂蚴。邊鎏講姊劭囀年≯月／o日山東大學(xué)碩士學(xué)位論文ABSTRACTAtpresent，themaincoatinglestmethodsaretensiletest，she

2、artest，indentationtest，scratchtestandSOon，butduetotheirlimits，thesemethodsarenotsuitablefortheevaluationofthebondingstrengthbetweenthethickcoatinglayerandthesubstrateSofar，thereisn’tanauthoritystandardtoevaluatethethickc

3、oatinglayers’bondingstrengthTherearethreenecessaryqualificationstoestimateanefficienttestnOWHavingresearchedcurrenttestmethods，thefourthqualificationwasbroughtforwardinthispaper，thatis，thetestsampleshouldbedesignedtOsati

4、sfythepracticalboundaryconditions(namely，thereisafreesurfaceonthetestsample)Otherwise，notonlywastheveracityofthemeasureaffected，butalsothedestroymodeinthepracticewouldbechangedAimingatthecharacteristicofthepowdercoatinga

5、ndthefailureformbulge—peelform，whichusuallyhappensinthepractice，asortofnewtestmethodbulge—peeltestandthecorrespondingequipmentweredevelopedinthispaperTheentirestructureofthetestequipmentwasmainlydesignedThefunctionsofeac

6、hcomposingsystemandtheselectedprinciplesoftheapparatuswereintroducedindetail，andthekeypartsweredesignedthroughcalculatingstrictlyEspecially，thedimensionoftheholeinthesamplewascalculatedapproximatelythroughthesmallstrainf

7、lattheorywhichissimpleanddirect，andcanmeetthetestrequirementTheprinciple，characteristic，functionandthedataprocessingmethodofthebulge—peeltestwereexplainedentirely，andtwonewparametersthelinepeeloffintensityandtheplanepeel

8、offintensitywerefirstlyintroducedtoestimatethebondingstrengthbetweenthethickcoatingandthesubstrateBymodeling，theformulasforcalculatingthelinepeeloffintensityandtheplanepeeloffintensitywerededuced，andthestandardtOestimate