SHS-離心法制備陶瓷內(nèi)襯金屬管的研究.pdf

1、河北科技大學(xué)碩士學(xué)位論文SHS離心法制備陶瓷內(nèi)襯金屬管的研究姓名：楊增朝申請學(xué)位級別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：孫世清20090501AbstractAbstractSelf二PropagatingHigh—temperatureSynthesis(becalledSHSforshort)isanewtechnologywhichisusedforsynthesizingmaterialsbythecalefactionreleased

2、bythereactantsthemselvesandselftransportprocessThetechniqueandprinciplesoftheselfpropagatinghigh—temperaturesynthesiswasdiscussedThedevelopmentoftheactualityanddeveloptrendathomeandabroadwascomprehensivelyintroducedThece

3、ramiclinedsteelpipesandstainlesssteelpipeswerepreparedbycentrifugalSHStechnologyandaddednewadditionandimprovethetechnologyTheSHScombustionmechanismmechanicsandsolidphasetransmissionmechanicswasystematicallyresearchedThea

4、ffecttotheorganizationalstructureandtheperformanceoftheceramiclinedpipeswasanalyzedThemicrostructureandtheinterfaceconnectmechanismoftheceramic—linedpipeswasanalyzedandtheperformanceofthecompositepipeswastestedThekeyprob

5、leminceramiclinedpipesproducedbycentrifugalSHSishowteducethecrackandairholeintheceramiclayerThemainresearchaspectofimprovingthesynthesisperformanceishoweliminatorreducethecracksandairholesintheceramiclayerOnthebaseofthee

6、arlyresearch，thepresscrackscanbeeliminatedbyimprovetheequipmentandoperationprocessIftheadditivebetestedseparatelytheadditive’SoptimallydosageofthepracticalapplicationcannotbefoundSoanorthogonalexperimentwasdesignedtosynt

7、heticallyconcederthemutualinterferenceoftheadditiveTheinfluenceoftheadditivetotheceramiclayerwasanalyzedThemainstructureoftheceramiclayerwasanalyzedbythemicrostuctureobservation，theA1203dendriticstructuremakeupoftheceram

8、icbase，thentheglassphasemadeupbySi02，Na20，B203andZnOfiledbetweenthedendriticstructureTheconcretingmechanismofceramiclayerandtheprocessofcrackformingwasparticularlyanalyzed；Thetypicaladditiveandtheiroptimizemechanismwasan

9、alyzed，newadditiveZnOwasexperimented，WhennewadditiveZnOwasadded，thecrystalphaseintheceramiclayerincreased，thenumberofairholesandcracksdecreased，butthenumberofmicrocracksincreased，thebestproportionis45％inthisexperiment；Th

10、eceramiclayersamplewasprepared；Thefinetextureoftheceramiclayersamplewasobservedwithlightmicroscope；Theairholes、cracksandcrystalpatternwasobservedwithscanningelectronicmicroscope；Thecausesofcracksandthecorrespondingcontro