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Creep strength of welded joints of Grade 91 Type 1 and Type 2 steels was evaluated; impurity elements in the Type 1 steel reduced the creep strength. This reduction was attributed to an increase in the amount of residual carbides in the fine-grain heat-affected zone during welding.

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  Copyright © 2024 ASM International. All rights reserved.
  
  Copyright ASM International. This paper was published in Advances in Materials for Power Plants, 2024 Conference Proceedings, and is made available as an electronic reprint with the permission of ASM International. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplications of any material in this article for a fee or for commercial purposes, or modification of the content of this article is prohibited.

Keyword: Gr.91 steel, welded joints, creep strength, impurity elements

Date published: 2024-10-15

Publisher: ASM International

Journal:

• Advances in Materials for Power Plants p. 760-765 am-epri-2024p0760

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Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.31399/asm.cp.am-epri-2024p0760

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Updated at: 2024-11-06 16:31:08 +0900

Published on MDR: 2024-11-06 16:31:08 +0900