The results show that these carburized gears by using BH energizing reagent get finer microstructure,lower heat distortion,deeper carburizing layer,b.

• 实验结果表明使用BH催渗剂后的渗碳齿轮轮齿组织得到细化,热畸变减小,渗碳层深度增加,渗碳层碳化物分布形态得到改善,渗碳层硬度梯度趋于平缓。