利用SQ-2型强化器,分别采用石墨、硬质合金YG-8、CoCrMo合金和硅青铜作为电极,用瞬态电能表面强化技术在钛合金Ti17表面形成强化层.用SEM观察强化层的组织和形貌,用XRD分析强化层的物相组成,在MM-200磨损试验机上考察强化层的耐磨性.结果表明,四种电极强化钛合金后,强化层与基体为冶金结合,但强化层较薄,并不同程度的存在微裂纹和微孔;强化层主要由电极材料和基体材料反应生成的化合物组成;硅青铜作为电极所获得的强化层耐磨性最好,在相同磨损时间内其磨损质量只有无强化层试样的2.5%.
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