30CrMnSiA钢封头QPQ处理后的组织和性能
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摘要
对30CrMnSiA钢封头进行了QPQ处理,并对其组织和性能进行了研究。结果表明:经QPQ处理后,封头基体硬度及力学性能变化不大;渗层深度约为200μm,表面硬度达到840 HV0. 1;表层组织为Fe_3O_4氧化膜和Fe_(2-3)CN或Fe_3CN组织,心部组织为回火索氏体;封头中性盐雾腐蚀时间达到200 h。
The microstructure and corrosion resistance of 30CrMnSiA steel seal head treated by QPQ were investigated. The results show that the hardness and mechanical properties of the head matrix after QPQ treatment do not change significantly. The QPQ treated depth is about 200 μm,the surface hardness reaches 840HV0. 1. The surface structure is Fe_3O_4 oxidation and a special organization Fe_(2-3)CN or Fe_3CN,and the center structure is tempered sorbite. The neutral salt spray trial of the head reaches 200 h.
The microstructure and corrosion resistance of 30CrMnSiA steel seal head treated by QPQ were investigated. The results show that the hardness and mechanical properties of the head matrix after QPQ treatment do not change significantly. The QPQ treated depth is about 200 μm,the surface hardness reaches 840HV0. 1. The surface structure is Fe_3O_4 oxidation and a special organization Fe_(2-3)CN or Fe_3CN,and the center structure is tempered sorbite. The neutral salt spray trial of the head reaches 200 h.
引文
[1]罗德福,李惠友.QPQ技术的现状和展望[J].金属热处理,2004,29(1):39-44.Luo Defu,Li Huiyou.Current situation and prospect of QPQTechnology[J].Heat Treatment of Metals,2004,29(1):39-44.
[2]黎桂江,彭倩,李聪,等.QPQ盐浴氮化17-4PH不锈钢的显微组织分析[J].核动力工程,2007,28(5):59-62.Li Guijiang,Peng Qian,Li Cong,et al.Study on micro-structure of a QPQ complex salt bath heat-treated 17-4 PH stainless steel[J].Nuclear Power Engineering,2007,28(5):59-62.
[3]师蔷,王群,曹宏哲.QPQ盐浴复合处理对35钢组织和性能的影响[J].热加工工艺,2008,37(20):84-89.Shi Qiang,Wang Qun,Cao Hongzhe.Effect of QPQ complex salt bath treatment on microstructure and properties of 35 steel[J].Hot Working Technology,2008,37(20):84-89.
[4]吴少旭,谢明强,汪辉,等.钢件经QPQ处理后的抗蚀性[J].金属热处理,2011,36(7):64-67.Wu Shaoxu,Xie Mingqiang,Wang Hui,et al.Corrosion resistance of steel parts after QPQ treatment[J].Heat Treatment of Metals,2011,36(7):64-67.
[2]黎桂江,彭倩,李聪,等.QPQ盐浴氮化17-4PH不锈钢的显微组织分析[J].核动力工程,2007,28(5):59-62.Li Guijiang,Peng Qian,Li Cong,et al.Study on micro-structure of a QPQ complex salt bath heat-treated 17-4 PH stainless steel[J].Nuclear Power Engineering,2007,28(5):59-62.
[3]师蔷,王群,曹宏哲.QPQ盐浴复合处理对35钢组织和性能的影响[J].热加工工艺,2008,37(20):84-89.Shi Qiang,Wang Qun,Cao Hongzhe.Effect of QPQ complex salt bath treatment on microstructure and properties of 35 steel[J].Hot Working Technology,2008,37(20):84-89.
[4]吴少旭,谢明强,汪辉,等.钢件经QPQ处理后的抗蚀性[J].金属热处理,2011,36(7):64-67.Wu Shaoxu,Xie Mingqiang,Wang Hui,et al.Corrosion resistance of steel parts after QPQ treatment[J].Heat Treatment of Metals,2011,36(7):64-67.