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采用轧制辅助双轴织构技术(RABi TS)制备了无磁性强立方织构的Cu60Ni40合金基带。对Cu60Ni40合金基带冷轧及再结晶退火后的织构进行分析。结果表明:轧制总变形量及再结晶退火工艺是影响Cu60Ni40合金基带再结晶晶粒取向的主要因素。经过大变形量冷轧,Cu60Ni40合金基带表面可以得到典型的铜型轧制织构。通过优化的冷轧及两步再结晶退火工艺获得了立方织构含量高达99.7%(≤10°)、小角度晶界含量高达95.1%的Cu60Ni40合金基带,Σ3孪晶界含量为0.1%。
A non-magnetic, cubic texture Cu60Ni40 alloy tape was prepared by rolling assisted biaxial texturing (RABi TS). The texture of Cu60Ni40 alloy base strip after cold rolling and recrystallization annealing was analyzed. The results show that the total rolling deformation and recrystallization annealing process are the main factors affecting the recrystallization grain orientation of Cu60Ni40 alloy. After a large amount of cold deformation, Cu60Ni40 alloy substrate surface can be a typical copper rolling texture. The Cu60Ni40 alloy base band with the cubic texture content up to 99.7% (≤10 °) and the low angle grain boundary content up to 95.1% was obtained by the optimized cold rolling and two-step recrystallization annealing process. The content of Σ3 twins was 0.1%.