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| 基于TiC-VC耐磨堆焊的硬度与合金过渡的试验研究 | |
| 引用本文： | 杨尚磊,吕学勤,邹增大,楼松年. 基于TiC-VC耐磨堆焊的硬度与合金过渡的试验研究[J]. 中国机械工程, 2004, 15(15): 1329-1332 |
| 作者姓名： | 杨尚磊 吕学勤 邹增大 楼松年 |
| 作者单位： | 1. 上海交通大学材料科学与工程学院,上海,200030;青岛科技大学高分子工程材料研究所,青岛,266042 2. 上海交通大学材料科学与工程学院,上海,200030 3. 山东大学材料科学与工程学院,济南,250061 |
| 基金项目： | 山东省自然科学基金资助项目 ( 2 2 0 0 0F0 2 ) |
| 摘 要： | 基于TiC、VC的高显微硬度，利用药皮中钛铁、钒铁、石墨等组分的高温电弧冶金反应在堆焊层中生成碳化物硬质相。系统研究了药皮组分对堆焊层硬度和合金元素过渡系数的影响，利用扫描电镜(SEM)、电子探针(EMPA)观察和分析了堆焊层中碳化物的分布、形貌和成分。结果表明：随着药皮中钛铁、钒铁、石墨组分的增加，堆焊层硬度提高，但当石墨组分超过12％时，堆焊层硬度下降。随着药皮中钛铁、钒铁、石墨组分增加，熔敷金属中Ti、V、C元素含量不断提高，Ti、V、C元素过渡系数提高，但V、C元素过渡系数分别在钒铁12％、石墨14％时达到最大。 |
| 关 键 词： | 堆焊层硬度 过渡系数 碳化物 电弧冶金反应 |
| 文章编号： | 1004-132X(2004)15-1329-04 |
| 修稿时间： | 2003-09-27 |
Research on the Hardness and Alloy Element Transition of Hardfacing Welding Based on TiC-VC |
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| Yang Shanglei , Lu Xueqin Zou Zengda Lou Songnian. Research on the Hardness and Alloy Element Transition of Hardfacing Welding Based on TiC-VC[J]. China Mechanical Engineering, 2004, 15(15): 1329-1332 | |
| Authors: | Yang Shanglei Lu Xueqin Zou Zengda Lou Songnian |
| Affiliation: | Yang Shanglei 1,2 Lu Xueqin 1 Zou Zengda 3 Lou Songnian 1 1.Shanghai Jiaotong University,Shanghai,200030 2.Qingdao University of Science and Technology,Qingdao,266042 3.Shandong University,Jinan,250061 |
| Abstract: | Based on high micro-hardness of TiC and VC, the hardness phases of carbides in welding metal were formed by using arc high temperature metallurgic reaction of Fe-Ti, Fe-V and graphite in the coat. The surfacing metal hardness and alloy element transition coefficients were systematically investigated. By means of SEM and EMPA, the distribution, appearance and ingredient of carbides were observed and analyzed. The results show that hardness of surfacing welding increases with increasing of Fe-Ti, Fe-V and graphite in the coat, however, the hardness decreases when graphite is beyond 12%.Elements Ti, V and C in the deposited metal increase Transition coefficients of Ti, V, C increase with the increasing of Fe-Ti, Fe-V and graphite in the coat, however, the transition coefficients of V and C decrease when the Fe-V is beyond 12% and graphite is beyond 14%. |
| Keywords: | surfacing hardness transition coefficient carbide arc metallurgic reaction |
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