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Xia Tiandong, Chen Xueding, Yang Guangqi, Zhao Feng. On impact and cold bend properties of 1Cr17Ni13Mo2Ti steel weld metal[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1993, (2): 69-76.
Citation: Xia Tiandong, Chen Xueding, Yang Guangqi, Zhao Feng. On impact and cold bend properties of 1Cr17Ni13Mo2Ti steel weld metal[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 1993, (2): 69-76.

On impact and cold bend properties of 1Cr17Ni13Mo2Ti steel weld metal

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  • Received Date: January 19, 1993
  • The impact and cold bend tests of 1Cr17Ni13Mo2Ti steel weld metals welded with A212, A207 coated electrodes and TIG process have been carried out. The microstructures of the weld metals and the appearances of the fractured specimens have been investigated. The δ-fcrritc content and oxygen in the weld metals have been measured. In the weld metals welded with the low-hydrogen type A207 covered electrode and TIG process, there arc less oxygen and δ-ferritc than that in the weld metal welded with the A212 coated electrode. The morphology and distribution of δ-ferrite in the former arc improved, and the inclusion particles decrease. As a result, when the former fractures, there is few microcrack originated site and the size of the dimples increase, the weld metal has a strong ability for plastic deformation. So the absorbed energy in fracturing raises and the impact toughness and cold bend property of the weld metal are obviously improved.
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