采用超声波辅助电沉积法在A3钢表面制备了Ni-Al2O3镀层,通过BP神经网络对不同工艺参数下制备镀层的Al2O3粒子复合量进行预测,最后利用透射电镜(TEM)观察镀层结构组织.结果表明,该BP神经网络结构为3×8×1时,其预测值与真实值的拟合度R=0.9991,相对误差的最大值与最小值分别为1.71％与0.74％.TEM分析表明,当Al2O3粒子浓度9 g/L,电流密度3 A/dm2,温度40℃时,Ni-Al2O3镀层组织较为紧密,其平均粒径约为20 nm.
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