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首页> 外文期刊>International Journal of Modern Physics, B. Condensed Matter Physics, Statistical Physics, Applied Physics >Rare earth elements in self-shielded flux-cored wires and their effect on the weld toughing of U75V rail steel
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Rare earth elements in self-shielded flux-cored wires and their effect on the weld toughing of U75V rail steel

机译：自屏磁通电线中的稀土元素及其对U75V轨钢焊接韧性的影响

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摘要

Self-shielded flux-cored wire is a new type of welding material that has the advantages of outdoor and high-efficiency application, and it has been used widely for rail repair. A self-shielded flux-cored wire with high alkalinity and rare earth elements was taken for research, and the microstructure, inclusions, hardness and the impact toughness were studied. Rare earth elements could eliminate the oxygen and sulfur when they were added into the molten pool. The addition amount has been optimized to the range of 4% in the self-shielded flux-cored wire when used for rail repairing.
机译：自屏蔽芯片芯线是一种新型的焊接材料，具有户外和高效应用的优点，并已广泛用于铁路修复。 采用高碱度和稀土元素的自屏助焊丝丝进行研究，研究了微观结构，夹杂物，硬度和冲击韧性。 稀土元素可以在加入熔池时消除氧气和硫。 当用于轨道修复时，添加量已被优化至自屏磁通管中的4％的范围。

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