选用乌洛托品作为酸洗缓蚀剂,改进酸洗液的配方,通过正交试验优选出最佳酸洗工艺参数。结果表明,44660超纯铁素体不锈钢经最佳酸洗工艺酸洗后,表面形成了完整、致密的钝化膜,其外观质量良好,耐腐蚀性能大幅提升。该工艺成功解决了超纯铁素体不锈钢在实际生产中欠酸洗和过酸洗的技术难题,对制定各类超纯铁素体不锈钢的酸洗工艺具有一定参考意义。
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