VoL.23 No.1 闫晓强等：中板轧制过程板坯弯曲生成与抑制之三 ·77· 3闫晓强.中板轧制过程板坯弯曲生成与抑制之一，轧 用上压法抑制板坯弯曲.北京科技大学学报，2000,22 制参数特征.北京科技大学学报，2000,22(5)：475 (6):547 4闫晓强.中板轧制过程板坯弯曲生成与抑制之二，采 Forming and Curbing of Plate Bending in Jobbing Sheet Rolling Process(3) -Pass reduction and temperature difference effecting plate bending YAN Xiaoqiang,LI Yuqing,REN Tianbao,LIANG Yongxiang, ZHANG Hong 1)Mechanical Engineering School,UST Beijing,Beijing 100083,China 2)Maanshan Iron and Steel Co,Ltd,Maanshan,243000,China 3)Handan Iron and Steel Company,Handan,056000,China ABSTRACT One of the method of curbing plate bending in jobbing sheet rolling process was researched. The relationship between plate bending curvature and pass reduction and temperature difference of plate sec- tion is analyzed.The optimum value of pass reduction can be decided.The theory has been adopted in practical production and is proved to be correct. KEY WORDS jobbing sheet;rolling process:plate bending;pass reduction;temperature difference of plate section (上接第54页) 参考文献 3 Dayananda M A,Kin C W.Zero-Flux Planes and Flux Re- 】阎来成，孙家华，燕平，等.双合金热等静压扩散连接 versals Cu-Ni-Zn Diffusion Couple.Metall Trans A,1979, 的组织和性能的研究.金属学报，1999,35（增刊2）：227 10A(9):1111 2毛健，汪武祥，呼和，等.双合金热等静压工艺的研究. 4阁来成.热等静压扩散连接DD402单晶与FGH95粉 航空材料学报，1996,16(4)：7 末合金的组织性能研究博士学位论文]北京：北京 科技大学，1999.79 Rafting of y'Phase and Diffusion of y'Forming Elements in Single Crystal for DD402/FGH95 of Diffusion Couple YAN Laicheng",SUN Jiahua,DONG Dejun",ZHAO Jingchen,YAN Ping 1)Advanced Technology Materials Co,Ltd,Beijing 100081,China 2)Central Iron Steel Research Institute.Beijing 100081,China ABSTRACT Regularities of interdiffusion of Al,Ti and Ta for DD402/FGH95 couple during HIP at different temperatures were studied.The up-hill diffusion flux of Al and Ta in single crystal DD402 was found.As a re- sult,a rich zone ofy'phase forming elements and raftedy'phase were developed in single crystal DD402 close to the bonded interface.The diffusion fluxes and diffusion depths of Al and Ta were calculated.The calculated results were corresponding to those the experiments. KEY WORDS diffusion;single crystal superalloy;P/M superalloy;rafting3 o L V b2 N . 1 闰晓 强等 : 中板 轧制 过程 板 坯弯 曲生 成与 抑制 之三 . , , . 闰 晓强 . 中板 轧制过 程板 坯 弯曲生成 与抑 制之 一 , 轧 制 参数特 征 . 北 京科技 大 学学 报 , 2 0 0 , 2 (5 :) 4 75 闰 晓强 . 中板 轧制过 程板 坯 弯 曲生成 与抑 制之 二 , 采 用上 压法抑 制板坯弯 曲 . 北京 科技 大学学 报 , 2 0 0 , 2 ( 6 ) : 54 7 F o mr i n g an d C u r b l n g o f P l aet B e n d i n g i n J o b b i n g S h e e t R o lli n g P r o e e s s ( 3 ) — P a s s r e du e it o n an d et m Per a t ir e d i fl 免r e n e e e fe ct i n g P l aet b e n d i n g YA N 诵“ 。 oq j a n g l ), lL uY q ign l), R E N 刀 a n b a O Z ), L IA N G oY 尹毯沐 ia 心气 Z月% N G oH心 , l ) M e hc an i e ia E n g ine e ir gn Shc o l , U S T B e ij ign , B e ij ing 10 0 0 8 3 , C h l n a 2 ) M a a n s h an I onr an d S et e l C o , tL 氏 M an s h叽 2 4 3 0 0 0 , C h in a 3 ) Han d an I onr an d S et l C o m P an y ) H an d an , 0 5 6 0 0 , C h i n a A B S T R A C T o n e o f ht e m e ht o d o f e u r b ing Pl aet b en d l n g in j ob b ing hs e et or ll ing Pr o e e s s w a s er s e acr h e d . Th e r e l at ion s h iP b e wt e e n P lat e b e nd in g e vur a t ir e an d Pa s s er du e t ion a n d t e m Pe r a n 江 e id fe er n e e o f P l aet s e e - t ion 1 5 an aly ez d . hT e o Pt l mu v al u e o f Pa s s er d u c t i o n e an b e de e id e d . hT e het o yr h a s b e e n a d o Pt e d i n P ar ct i c al p r o d u e it on an d 1 5 P r o v e d t o b e e o r e e t . K E Y W O R D S j o b b i n g s h e et ; or lli n g Pr o e e s s ; Pl aet b en d l n g ; Pa s s er d u c it on ; t e m pe r a n 址e id fl 笼r e n c e o f lP aet S e ct i o n (上接第 54 页 ) 参 考 文 献 l 阎 来成 , 孙家华 , 燕平 , 等 . 双 合金 热等 静压扩 散连接 的组织和 性能 的研 究 . 金属 学报 , 19 9 , 35( 增 刊 2) : 2 27 2 毛 健 , 汪武样 , 呼和 , 等 . 双 合金 热等静 压工 艺的研 究 . 航 空材料 学报 , 19 9 6 , 1 6 ( 4 ) : 7 D ay an an d a M A , K i n C .W Z e or 一 F l ux P lan e s an d F lux 助 · v e sr al s C u 一i 一 nZ D i月七s i on C o uP l e · M e at ll rT a n s A , 197 9 , 10 A ( 9 ) : 1 1 1 1 阎来成 . 热 等静 压扩 散连 接 D D 4 02 单 晶与 F G H 95 粉 末 合金 的组织 性 能研究:[ 博 士学 位论 文 ] . 北 京: 北京 科技 大学 , 199 9 . 7 9 R a ft i n g o f 少 ` P h a s e an d D i肋 s i o n o f 夕` F o n n in g E l e m e nt s i n S i n g l e C yr s t a l fo r D D 4 OZ用G H 9 5 o f D i肋 s i o n C o uP l e YA N L 口 ich e心气 s U N iaJ 加a)Z , D O N G D ej un ,) 乙队 4 0 涌加罗 he n)z, 上河 N p i n罗 l ) Avd an ce d eT c hn o l o gy & M at e ir al s C o , L t成 B e ij in g 10 0 0 8 1 , Ch in a 2 ) C e n tr a l l r o n & S et e l R es e 别rC h I nst i t u t e . B e ij l n g l 0 0() 8 l , C h in a A B S T R A C T 只e gu l iar it e s o f l n t e r id 而 s ion o f A I , iT an d aT for D D 4 0 2压G H 9 5 e o u P l e d iur n g H IP at id fe r e n t t e m Pe r a 奴理 e s w e er s ut id e d . hT e uP 一 hi ll d i而 s ion if ux o f A I an d 几 in s ign l e e yr s at l D D 4 0 2 w as fo u n d . A s a er - s u lt , a ir hc oz n e o f y ` hP a s e fo n n ign e l em e snt an d r a ft e d y ` p h a s e w er de v e lop e d in s ign l e e yr s at l D D 4() 2 c l o s e ot ht e b on de d I n t e r fa e e . hT e id fl 七s l o n fl ux e s an d id 而 s i o n d e Pht s o f A I an d aT w er e e al e ul aet d . hT e e al e u l aet d r e s ult s w er e o r e sP on d ign t o ht o s e ht e e xP e ir m e nt s . K E v w 0 R D S d i而 s i o n : s in g l e e yr sat l s uP e ar lloy : P迎以 s uP ear lloy : r a ft ign