堆焊制备碳钢-高铬耐磨双金属板用药芯焊丝的研制  

Preparation of Cored Wire for Carbon Steel-high Chromium Wear Resistant Bimetallic Plate by Surfacing

作　　者：马朝 李蕾蕾[2,3] 史可 符少龙 钟黎声 Ma Chao;Li Leilei;Shi Ke;Fu Shaolong;Zhong Lisheng(Shaanxi Yanchang Yulin Kaiyue Coal Chemical Co.,Ltd.,Shaanxi,719100;PowerChina Northwest Engineering Co.,Ltd.,Shaanxi,710065;Shaanxi International Joint Research Center of Composites and Intelligent Manufac tory,Xi'an University of Technology,Shaanxi,710048)

机构地区：[1]陕西延长石油榆林凯越煤化有限责任公司,陕西719100 [2]中国电建集团西北勘测设计研究院有限公司,陕西710065 [3]西安理工大学陕西省复合材料及其产品智能制造技术国际联合研究中心,陕西710048

出　　处：《当代化工研究》2025年第2期182-184,共3页Modern Chemical Research

基　　金：陕西省创新能力支撑计划-国际科技合作基地“复合材料及其产品智能制造技术国际联合研究中心”(项目编号:2023GHJD-18);西安市科技计划项目“钛合金表面梯度TiC/Fe涂层制备关键技术研究”(项目编号:22GXFU0069);榆林市科技计划项目“纤维-多孔核壳结构柔性催化剂制备与光解水制氢装置研发”(项目编号:2023-CXY-205)。

摘　　要：碳钢-高铬耐磨双金属板是广泛应用于化工、电力、建材等领域的常备易耗产品,从Fe-Cr-C三元系相图分析出发,根据耐磨层化学成分和耐磨性要求,设计并试制出适用于碳钢表面高铬耐磨层堆焊制造的药芯焊丝,并分析了其微观组织和硬度。结果表明,通过调整药芯成分可使碳钢表面高铬耐磨层的微观组织中分布大量垂直于基材的柱状(Cr,Fe)7C3碳化物,配合以基体中的过共晶组织,使其洛氏硬度达到57.7HRC以上。Carbon steel-high chromium wear-resistant bimetallic plate is widely used in chemical industry,electric power,mining and other fields.Based on the analysis of Fe-Cr-C ternary phase diagram,according to the requirements of the chemical composition and mechanical properties of the wear-resistant layer,the flux-cored wire suitable for the surfacing of the high chromium wear-resistant layer was designed and trial-produced.The microstructure and anti-wear properties were analyzed.The results show that by adjusting the core composition,a large number of columnar(Cr,Fe)7C3 carbides are distributed in the microstructure of the high chromium wear-resistant layer,which is perpendicular to the substrate.Combined with the eutectic structure in the substrate,the average rockwell hardness of the surfacing layer reaches more than 57.7HRC.

关 键 词：双金属板 堆焊 药芯焊丝 磨粒磨损 

分 类 号：TF125[冶金工程—粉末冶金]