阐述了超高碳钢组织超细化工艺及其机理.这些工艺包括:二阶段热形变处理技术、热形变+离异共析转变处理技术、热形变+DET+形变处理技术、循环热处理技术及复合热处理技术.该超细化组织由极细的铁素体晶粒以及在其中均匀分布的渗碳体颗粒组成.此外,分析了硅、铝、铬等合金元素对相变温度的影响及其对网状碳化物和石墨化的抑制作用,讨论了合金化对超高碳钢的组织超细化的影响.
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