Volume 39 Issue 6
Dec.  2024
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ZHANG Mingyang, LI Guanghui, SONG Meijing. Study on Application of High Titanium Slag in T492T1-1C1A Flux Cored Welding Wire[J]. Development and Application of Materials, 2024, 39(6): 60-66.
Citation: ZHANG Mingyang, LI Guanghui, SONG Meijing. Study on Application of High Titanium Slag in T492T1-1C1A Flux Cored Welding Wire[J]. Development and Application of Materials, 2024, 39(6): 60-66.
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Study on Application of High Titanium Slag in T492T1-1C1A Flux Cored Welding Wire

  • 1. Tianjin Sainteagle Welding Co., Ltd., Advanced Technology & Materials Co., Ltd., Beijing 100081, China;

  • 2. Dalian Shipbuilding Industry Co., Ltd., Dalian 116083, China

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  • Received Date: March 20, 2024
    Graphical Abstract
    • Abstract
  • High titanium slag is used to replace the rutile in T492T1-1C1A flux-cored welding wire for the purpose of cost reduction. The effects of high titanium slag addition (mass fraction) on the weldability of T492T1-1C1A flux-cored welding wire, mechanical property and chemical compositions of weld metal, hot cracking rate of ceramic liner priming weld surface, and oxides in slag are studied. Results show that with the increase of high titanium slag addition, the weldability of T492T1-1C1A flu-xcored welding wire decreases, the tensile property and lower yield strength of the weld metal decrease slowly, the impact energy at -40 ℃ and -60 ℃ decrease obviously, the mass fractions of Mn, Si and diffusible hydrogen decrease and that of O rises, the surface hot cracking rate decreases to the lowest when the addition of high titanium slag is 20.0%-30.0%, and then rises. Besides, with the increase of the high titanium slag addition, the mass fractions of MgO, MnO, SiO2 and Fe2O3 in the slag shell demonstrate a rising trend.
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    • References (16)
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