采用先进的放电等离子烧结技术(SPS)制备Ni-7W(at%,下同)(Ni7W)合金初始锭,通过高能球磨使Ni、W粉末充分混合,优化冷轧和热处理工艺制备出高立方织构的Ni7W合金基带.基带晶粒大小均匀,电子背散射衍射技术(EBSD)测试结果显示:该Ni7W基带表面10°以内立方织构晶粒含量高达99.4%,10°以内晶界长度含量为93.6%;XRD测得的基带(111)Phi扫描和(200)摇摆曲线表明:基带的面内和面外半高宽分别是6.32°和5.4°,表明基带具有锐利的立方织构.在该基带上制备的La2Zr2O7(LZO)过渡层显示,LZO很好地外延生长了基底的织构,LZO薄膜(222)面φ扫描和(400)面摇摆曲线的半高宽值分别为7.57°和5.73°.
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