泡沫鋁用AlPO-,4--TiH-,2-包覆工藝研究.pdf

1、大連理工大學碩士學位論文泡沫鋁用AlPOTiH包覆工藝研究姓名：劉宇申請學位級別：碩士專業(yè)：材料學指導教師：劉順華高洪吾20051201劉宇：泡沫鋁用AIPO。／TiHz包覆工藝研究TechnicResearchonMassFoamAluminumbycoatingAIPO。／Till。AbstractAsanewfunctionalandstructLtralmatedal，Foamedaluminumiswidelyusedinae

2、rospace、auto、andarchitectureindustry，etc，owingtoitslightweight，fireretardancy，amortization，hi醉energyabsorbingandotheroutstandingphysicalpropertiesSynthesisoffoamingaluminumbyFusedmassfoamingmethodisattachedmoreandmoreimp

3、ortancetolargescienceandtechnologystaffwiththefollowingadvantagesofitssimpletechnics，possibilityofproducingmassivefoamingaluminumanditssimplemannfacturingfacilityoverothertechnicsThekeytechnologyofsynfllcsizingfoamingalu

4、minumwithfusedmassfoamingmethodishowtoputoffthereleasinggasspeedofTill2inhi班temperatureSoitisverymeaningfultostudy011theTit。f2一coatedtreatmentandthefrothingbehaviorduringthefrothingprocess，whichcallresultinthetechnicalim

5、provementonthesynthesisoffoamedaluminum。controllingthesizeofairbubbleandgettingfoamingalurrfinumwithhi曲porosityThekeypointofsynthesizingfoamingaluminumbyfusedmassfrothmethodistomaketheTiH2releasinggasreleaseslowlyAtprese

6、nt，tocoatTiH2iswidelyusedasaconventionalmethodManymethodsareapplied，generallyc／ⅢssifledintophysicalandchemicalmethodsInthisexpefimcnt，TiH2coatedbyselfmadeagglomerantAIPOissynthesized，thencoatedTiH2isputintofusingviscosit

7、yincreaseraluminumliquid，stir，heatpreservation刪1ThisexperimentationmakescoatedTiH2byA1P04，Orthogonalexperimentisusedtodeterminetheproperparametersofthecoatingtechnology，microstructureofcoatedTiHzisevaduatedbySEM；thehydro

8、genreleasingpropertyofcoatedTiI12powderismeasuredbyreleasinggasdevice，ItCanbeconcludedfromthoseteststhatthemostinfluencingparametertoTiH2coveredisPHandthefollowingordinalonesaretemperature、time、stirspeednlereleasinggasti

9、meofTiH2isonly60sintheexperimentThebestcoatingconditionisPH=8andtheproperparametersshouldbeasfollows：stirtimewith300s，stirspeedwith300r／rain，temperaturefrom100℃forsynthesisofcoveragentThebestweightratioofcoatedTiH2toalum