镍中间层增强Stellite堆焊层力学性能研究
Study on Mechanical Properties of Stellite Surfacing Layer Reinforced by Nickel Intermediate Layer
- 2024年54卷第1期 页码:69-74
DOI: 10.7512/j.issn.1001-2303.2024.01.12
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王东,蒋寸才,王从亦,等.镍中间层增强Stellite堆焊层力学性能研究[J].电焊机,2024,54(1):69-74.
WANG Dong, JIANG Cuncai, WANG Congyi, et al.Study on Mechanical Properties of Stellite Surfacing Layer Reinforced by Nickel Intermediate Layer[J].Electric Welding Machine, 2024, 54(1): 69-74.
采用焊条电弧焊,在COSTE耐热钢和Stellite6合金之间堆焊ENiCrFe-3镍中间层,COSTE钢/Stellite6合金堆焊板作为对比试样,利用扫描电镜、X射线衍射仪、冲击试验机和有限元软件等表征手段,研究ENiCrFe-3中间层对COSTE钢/Stellite6合金堆焊板的成分、组织和冲击性能的影响。结果显示:ENiCrFe-3中间层与COSTE钢和Stellite6合金之间冶金结合良好,在堆焊试样中并没有引入新的脆性相;COSTE/Stellite6堆焊板的冲击功为28 J,加入ENiCrFe-3中间层后,堆焊板的冲击功提高到55 J;ENiCrFe-3中间层的断裂模式为韧性断裂,Stellite6合金的断裂模式为脆性断裂,ENiCrFe-3中间层能够减少堆焊板界面处的残余内应力值。
The manual arc welding method is used to overlay the ENiCrFe-3 nickel interlayer between COSTE heat resistant steel and Stellite6 alloy, and the COSTE steel/Stellite6 alloy surfacing plate is used as the comparison sample. The effect of ENiCrFe-3 intermediate layer on the composition, microstructure and impact properties of COSTE steel/Stellite6 alloy surfacing plate was studied by means of scanning electron microscope, X-ray diffractometer, impact testing machine and finite element software. The results show that the intermediate layer of ENiCrFe-3 has a good metallurgical bonding with COSTE steel and Stellite6 alloy, and no new brittle phases are introduced in the surfacing samples; The impact energy of the COSTE/Stellite6 surfacing plate is 28 J, and after adding the ENiCrFe-3 intermediate layer, the impact energy of the surfacing plate increased to 55 J. The fracture mode of the ENiCrFe-3 intermediate layer is ductile fracture, while that of the Stellite6 alloy is brittle fracture. The ENiCrFe-3 nickel intermediate layer can reduce the residual internal stress value at the interface of the surfacing plate.
Stellite6合金ENiCrFe-3合金微观组织冲击功
Stellite6 alloyENiCrFe-3 alloymicrostructureimpact energy
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