鋯合金A-TIG焊法的研究.pdf

1、西安理工大學(xué)碩士學(xué)位論文鋯合金ATIG焊法的研究姓名：侯亞芳申請學(xué)位級(jí)別：碩士專業(yè)：材料科學(xué)與工程指導(dǎo)教師：牛銳鋒201109西安理工大學(xué)工程碩士學(xué)位論文TⅢe：THERESEARCHONZIRCONIUMALLOYSATIGWELDINGMajor：MateraIsscienceandEngineeringName：YAFANGHoUSignatu愴：SuperVisor：AssociatePrOfRUIFENGNIUSignatur

2、e：AbstraCtATIGweldingh勰outstaIldingadVantagesofincreaSing、velddepmandiml”0vingthee伍cienCy，soitishaSbeen晰delyuSediIlsteelweldingZircorliumalloyshaVecompreheIlsiVeperf6maIlceofhi曲temperaturestrength，goodcorrosionresistarlc

3、e，goodp∞cessingperf0marlce齜ldlow印itllemala_bsorptionsectionperfIomancenisaIl呻ort趾t蛐nlcturematerialofmlcle盯reactor砒ldgailllotsofapplicationin廿1eindu蛐哆Recentlybecallseofitsexcellentcorrosionresistance，its印plicationiIlmeche

4、micalindu鯽叮alsoincreaSesSoit、衍ll11aveapositiVeimpactonthesocialproduction鋤dnle1ife姍peoplestudyapplicalionforATIGweldingofzirConiuma110ysOnnlistopic，expectedt0meATIGweldinge疏CtonmebaSisof也erese砌of恤Steelwelding，“isprelimin

5、arily柵iednlatATIGwelding盤ctthewelddepnlof出oIli啪alloysweldingFirstly；accordingtoknowledgeoft11e、Ⅳeldingm刪lurgy；、ⅣeldingpoⅥ，ersource鋤dtllepropeIrtiesofzirConi啪alloys，zirconiumalloysweldingparametersis西VenbymeexperiInentSec

6、ondly，usingTIG、Ⅳeldingmethodandtllematerialsuch雒A1203，Mn02，Si02，Ti02，MgCl2，Bacl2，ZnCl2，MgF2，NaF，BaF2alldsoon，wel剛estlJdiednlatttleaggregateo瑪觚i11fluencezirconi啪alloyswelmgAccordingt0讎aboVemat麗alt0di毹rente虢ctsofweld，wepr印

7、ared廿let、ⅣocoInpoIlentsbyllsiIlgmememodoformogonalsuperiorlyAndtllen、№lla_vestudiedthatthetwoco瑚舯nentsiIlfluencemeweldzirConi啪alloysTestresultsshow也atpartoftheabovematerialcallirlCreausezirconiumalloyswelddepthTheresultS

8、showtllat：Monop附pellalltactiveagents徹t11epenenationdepmofzircolliuma110ysiIlsequencefollowedbyBacl2，CaF2，NaCl，B203，NaFCr203，KCl，LiCl，BaF2Bipropell觚tactiveagentpenetrationof赦oIli啪alloysfollowedindecreasing0rderofB203／Bacl