钢芯铝绞线表面硬化处理工艺

• Format: Patent
• Language: Chinese
• Published: 24.04.2020
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

本发明公开了一种钢芯铝绞线表面硬化处理工艺，主要通过化学处理的方式增强铝绞线表面的硬度，解决了现有铝绞线表面易断裂的问题。其技术方案要点包括如下的生产及组装工艺：首先采用强腐蚀性溶液去除表面氧化膜，氧化膜除去后再进行钝化处理；然后再采用离子渗氮法对钢芯铝绞线进行氮化处理，使得铝绞线表面形成硬度较大且吸附性高的氮化层；最后对钢芯铝绞线进行表面改性，包括无机物表民包覆改性和疏水化处理。采用本发明的钢芯铝绞线表面硬化处理工艺，可以使铝绞线得到较高的表面硬度、耐磨性、抗疲劳强度、抗咬合性以及抗腐蚀能力，还可以避免水以及溶解在水中的杂质对铝绞线的腐蚀和破坏。