Volume 34 Issue 5
Oct.  2019
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WANG Qingyun, YE Fan, KANG Tianyou, NIE Jianhang. Study on Eliminating Ferrite Band in Heat-resistant Steel Welds[J]. Development and Application of Materials, 2019, 34(5): 66-71. DOI: 10.19515/j.cnki.1003-1545.2019.05.014
Citation: WANG Qingyun, YE Fan, KANG Tianyou, NIE Jianhang. Study on Eliminating Ferrite Band in Heat-resistant Steel Welds[J]. Development and Application of Materials, 2019, 34(5): 66-71. DOI: 10.19515/j.cnki.1003-1545.2019.05.014
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Study on Eliminating Ferrite Band in Heat-resistant Steel Welds

  • Luoyang Sunrui Special Alloy Materials Co., Ltd., Luoyang 471023, China

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  • Received Date: April 10, 2019
  • Available Online: March 15, 2024
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  • The ferritic bands in the welds of heat-resistant steels were eliminated by reducing annealing parameters, carbon sequestrating, and promoting the average phase transition point A1 to optimize the weld properties of heat-resistant steel. The test results show that lowering the annealing temperature can effectively eliminate the ferrite band, reducing the annealing time can refine the ferrite band grain; Introducing strong carbonization forming elements can eliminate the ferrite band, but has complicated impact on weld strength and toughness; Promoting the temperature of the phase transition point A1 can inhibit the generation of ferrite bands and improve the mechanical properties of the weld.
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