研究了不同成分的冷堆焊高碳Nb-Ti-V系堆焊金属中碳化物的分布、形态,分析了碳化物在冷焊条件下的形成过程.Nb、Ti可以形成颗粒碳化物,但单独加入且含量较高时,碳化物尺寸过大,对基体固溶强化较弱,堆焊金属硬度过低;单独加入V时则形成了网状碳化物;适量Nb、Ti、V同时加入,获得了均匀分布的颗粒碳化物及强韧的基体,堆焊金属耐磨性优于D317的堆焊金属.
参考文献
| [1] | Murphy Jim .Welding repairs on tool and die steels[J].Canadian Welder Fabrication,1987,5(01):18. |
| [2] | 任登义.稀土对高碳钢焊缝中碳化物的变质作用[J].中国稀土学报,1998(02):154. |
| [3] | Sun Daqian;Gong Hui;Zhou Zhenfeng;Ren Zhenan .Effects of alloying elements on the microstructures and mechanical properties of Ni-Fe weld metals[J].Welding Research Abroad,2000(10):33-38. |
| [4] | Arnoldo Bedolla-Jacuinde .Microstructure of vanadium-, niobium-and titanium-alloyed high-chromium white cast irons[J].International Journal Cast Metals Research,2001(6):343-361. |
| [5] | Jian Chen;Baiyun Huang;J.H.Lee .Carbide formation process in directionally solidified MAR-M247 LC superalloy[J].Journal of Materials Science & Technology,1999(1):48-52. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%