高导电率Al-RE-B电工圆铝杆工艺研究

Al2RE2B1,2,3,3,3,3(11,650093;21,650051;31,650502):Al2RE2B,REB:;;;;:TG14612+1:A:1007-7545(2006)02-0048-03StudyonProcessofHighConductivityAl2RE2BElectricalPoleYANGGang1,2,HEZheng2fu3,CHENDe2bin3,DINGJi2lin3,CHENYu3(11KunmingUniversityofScienceandTechnology,Kunming650093,China;21YunnanMetallurgicalGroup,Kunming650051,China;31YunnanAluminiumCo1Ltd1,Kunming650502,China)Abstract:ThetechnologyofhighconductivityAl2RE2Belectricalpolearebrieflyintroduced1Ithasanalyzedtheinfluenceofalloyelements(REandB)andtechnologyofcontinuouscastingandrollingonmicrostructuresandpropertyofelectricalpole1Keywords:Aluminiumelectricalpole;RE;Boron;Purification;Continuouscastingandrollingprocess:(2003GG06):(1959-),,,,,,,,,,,,,REB,,Al2RE2B1FeSiTiVCrMn,,,,w(Si)w(Fe),(Al9Fe2Si2),,,w(Fe)w(Si),(Al3Fe3Si),,,,FeSi[1],Fe/Si115,Si,900,850,,,111,,BAl23B,REAl210RE,Al23B315kg,Al2RE1030kg,B0101%0104%,RE0105%012%,84()20062,Al210REAl23B,,10min2100g0125mL,,,,,,,,,,[2]211760780,N2(011%0115%),,KClNaClNa3AlF6,,50mm,N2,2530min,N2,H2,35min,,60%,212,,,,[3]213,,730760,,30min214,,,,,,,[4]3040ppi,011mm3N2,,N2,,H2,7207303,115m,311,,,,,,312,,;,,,,,,,730750,,,,690720,[5]31394()20062,REB,,,,[6]AlB2TiB2,,11REBFig11EffectofRE&Bonstructureofindustrialpurealuminum:90m3/h,21,0130135MPa,20254,,,,411,,;,,,,,,,,,,412,,,[7],:470520,3045,100m3/h,6m/s,28032051)REB;2),,Al2RE2B,(21722176)10-8m[1],.[J].,2002(1):39-40.[2],,,.[J].,2002(2):24-27.[3].[J].,2005(2):21-23.[4],,,.[J].,2001(1):11-13.[5],,,.300kA[J].,2005(1):21-27.[6],,,.[J].,2001(6):53-66.[7].[J].,2001(10):53-55.05()20062