钛合金

　60焊　接　学　报第31卷

更好的焊接顺序以前,应采用顺序依次焊接的方法

来代替180°焊接排列顺序.

[3]　KohlM,DhondtG,BroedeJ.Axisymmetricsubstitutestructures

forcirculardiskswithnoncentralholes[J].Computer&Struc2tures,1996,60(6):1047-1065.

[4]　BerglundD,AlbergH,RunnemalmH.Simulationofweldingand

stressreliefheattreatmentofanaeroenginecomponent[J].FiniteElementsinAnalysisandDesign,2003,39(9):865-881.[5]　于开平,周传月,谭惠丰.Hypermesh从入门到精通[M].北

4　结　　论

(1)采用Hypermesh平面修补技术和网格重划

分技术完成了整体叶盘有限元建模,保证了计算精度,节约了计算时间.

(2)在三种典型焊接顺序对圆度影响的有限元分析中,顺时针依次顺序焊接时的圆度为0.09%,90°排列和180°排接所得整体叶盘圆度的结果分别为0.107%和0.108%.顺时针依次焊接对圆度的影响相对较小.参考文献:

[1]　BaytRobertL,SahmMichaelK,LentsCharlesE.Collaborative

engineeringinintegratedaircraftpowersystemdesign[C]∥In:ASME2002DesignEngineeringTechnicalConferencesandCom2putersandInformationinEngineeringConference.Montreal,2ada,2002:1-5.

[2]　DuttaA,VenugopalRA.Simulationofpressordiscby2niques[Jogy,1997,72(3):392京:科学出版社,2005.

[6]　陈火红,尹伟奇,薛小香.MSC.Marc二次开发指南[M].北

京:科学出版社,2004.

[7]　许鸿吉,尹丽香,李晋炜,等.TC4钛合金电子束焊接接头组

织和性能[J].焊接学报,2005,26(11):43-46.

XuHongji,Yinlixiang,LiJinwei,etal.MicrostructuresandpropertiesofTC4alloyjointsweldedbytheelectronbeamwelding[J].TransactionsoftheChinaWeldingInstitution,2005,26(11):43-46.

[8]　Pavelic.V,TanbakuchiR,AuyeharaO.Experimentalandcom2

putedtemperaturehistoriesingastungstenarcweldingofthinplates[J].WeldingJournalResearchlement,1969,48(7):295-305.

[9]　Goldakfinitemodelforweld2

ingheatsJ].1984,B15:299:张学秋,男,1973年出生,博士研究生.

模拟方面的研究.发表论文10篇.

主要从事数值

Email:

jackeee90@

[上接第56页]

　　　WangZhechang.Discussiononprincipleofweldingstressand

distortion(I)[J].TransactionsoftheChinaWeldingInstitu2tion,2008,29(6):73-76.

[12]　王者昌.焊接应力变形原理若干问题的探讨(二)[J].焊接

[14]　方鸿渊,张学秋,杨建国,等.关于焊接塑性应变的计算与

讨论[J].焊接学报,2008,29(7):60-63.

FangHongyuan,ZhangXueqiu,YangJianguo,etal.Calcula2tionanddiscussionofweldingplasticstrain[J].TransactionsoftheChinaWeldingInstitution,2008,29(7):60-63.

[15]　方鸿渊,张学秋,杨建国,等.焊接应力场与应变场的计算

学报,2008,29(7):69-72.

WangZhechang.Discussiononprincipleofweldingstressanddistortion(II)[J].TransactionsoftheChinaWeldingInstitu2tion,2008,29(7):69-72.

[13]　汪建华,陆　皓,魏良武.固有应变有限元法预测焊接变形

与讨论[J].焊接学报,2008,29(3):129-132.

FangHongyuan,ZhangXueqiu,YangJianguo,etal.Calcula2tionanddiscussionofweldingstressandstrainfield[J].Trans2actionsoftheChinaWeldingInstitution,2008,29(3):129-132.

理论及其应用[J].焊接学报,2002,23(6):36-40.

WangJianhua,LuHao,WeiLiangwu.Predictionofweldingdis2tortionsbasedontheoryofinherentstrainbyFEManditsapplica2tion[J].TransactionsoftheChinaWeldingInstitution,2002,23(6):36-40.

作者简介:李　菊,女,1970年出生,博士,高级工程师.

事焊接应力与变形的控制研究工作.发表论文10余篇.

主要从

Email:

lijuxin@