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盐浴软氮化用的盐浴的热传递大,因而被处理工件加热速度快,且处理炉内温度均布,能使工件处理质量稳定。最近开发的低氰化的盐浴软氮化处理更有利环保。本处理工艺广泛应用于要求耐摩擦磨损、耐热胶黏性优异的机械零件的处理。介绍了盐浴软氮化处理的原理、特征、应用效果,评价了新型盐浴软氮化工艺及氮化处理与高频淬火的复合热处理等新技术动向。
Salt bath with soft nitriding salt bath heat transfer, so the workpiece is heated fast, and the furnace temperature uniformity, the workpiece processing quality and stability. Recently developed low cyanide salt bath soft nitriding is more environmentally friendly. The treatment process is widely used in the processing of mechanical parts that require excellent abrasion resistance and heat resistance. The principle, characteristics and application effect of soft nitriding of salt bath are introduced, and the new technology trends of new salt bath nitrocarburizing process and compound heat treatment of nitriding and induction hardening are evaluated.