【摘要】 依据百分因子(APF)法,参考现今先进耐蚀合金,预设计了6种APF介于2.5~3.3的通用性镍基耐蚀合金成分.应用真空感应炉和手工电弧炉熔炼合金获得了良好的效果.在氧化性酸和还原性酸进行化学腐蚀,与1Cr18Ni9Ti的耐蚀性能对比.研究结果表明,设计合金具有优异的耐蚀性及良好的通用性,并对设计合金进行了评价;合金在固溶处理后耐蚀性能有所提高;随着APF的增大合金的抗氧化性介质的耐蚀性能提高,抗还原性介质的耐蚀性能降低.更多还原

【Abstract】 Based on the APF method and advanced corrosion resistant alloys available now,six schemes(APF from 2.5 to 3.3)were designed for versatile Ni-base corrosion resistant alloys,which were prepared by using vacuum induction melting and manual electro-arc furnace,with a good result.Alloys designed and 1Cr18Ni9Ti are dipped into the reducing and oxidizing acid medium,and their corrosion resistance was compared.Experimental results show that alloys(APF from 2.5 to 3.3) have excellent corrosion resistance and catholicity. After solid-solution treatment,the corrosion resistance is improved.As APF increases,the corrosion resistance in oxidizing medium is improved and that in the reducing medium is decreased.更多还原