织构镍基合金复合基带的研究  

Study on Textured Nickel Based Composite Tape

作　　者：王金华[1] 

机构地区：[1]北京北冶功能材料有限公司,北京100192

出　　处：《金属材料研究》2013年第3期6-11,共6页Research on Metallic Materials

摘　　要：采用“复合坯锭法”结合传统的RABiTS技术成功获得了低磁性、高强度、强立方织构的Ni7w／Nil2W／Ni7W层状复合基带。研究了再结晶退火工艺对Ni7W／Nil2W／Ni7W复合基带再结晶立方织构形成的影响，发现升高再结晶温度有利于形成强立方织构，并能有效降低孪晶界的含量。通过优化的再结晶退火工艺获得了立方织构含量为97．4％（〈10°），小角度晶界含量为83．9％的Ni7W／Ni12W／Ni7W复合基带，该复合基带室温下的屈服强度为206MPa，饱和磁化强度为2．6emu／g，与商业化Ni7．5W合金基带相比，其屈服强度和磁性能都得到了明显的改善。The low-magnetic highly reinforced and strongly cube textured Ni7W/Ni12W/ NiTW composite substrates was successfully fabricated by the ＂composite ingot＂ combined RABiTS processing. The influence of the recrystallization annealing processes on the formation of cube texture was investigated. It was found that recrystallization annealing at higher temperatures is beneficial for the formation of sharp cube texture and that twin boundaries can be effectively reduced during grain growth. The content of cube texture （〈10°） was 97. 4% and the fraction of small angle （〈10°） grain boundaries of 83.9% was measured for the Ni7W/Ni12W/Ni7W composite substrate produced by means of the optimized recrystallization annealing procedure. Moreover, the yield strength σ0.2 of the composite substrates approaches 206 MPa at room temperature, and the saturation magnetization at 77 K is 2. 6 emu/g. The mechanical strength and saturation magnetization were improved obviously compared to that of commercial Ni7.5W substrate.

关 键 词：低磁性 高强度 复合基带 立方织构 

分 类 号：TG146.15[一般工业技术—材料科学与工程]