Proceedings CREEP STRENGTH AND MICROSTRUCTURE IN WELDED JOINTS OF ASME GR.91 TYPE 1 AND TYPE 2 STEELS

Masatoshi Mitsuhara (Kyushu University) ; Katsuhiro Sato (IHI Corporation) ; Kyohei Nomura (IHI Corporation) ; Takahiro Kimura (IHI Corporation) ; Yoshiki Shioda (IHI Corporation) ; Kota Sawada SAMURAI ORCID (Research Center for Structural Materials/Materials Evaluation Field/Creep Property Group, National Institute for Materials ScienceROR) ; Kazuhiro Kimura SAMURAI ORCID (Research Center for Structural Materials, National Institute for Materials ScienceROR) ; Hideharu Nakashima (Kyushu University)

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Masatoshi Mitsuhara, Katsuhiro Sato, Kyohei Nomura, Takahiro Kimura, Yoshiki Shioda, Kota Sawada, Kazuhiro Kimura, Hideharu Nakashima. CREEP STRENGTH AND MICROSTRUCTURE IN WELDED JOINTS OF ASME GR.91 TYPE 1 AND TYPE 2 STEELS. https://doi.org/10.31399/asm.cp.am-epri-2024p0760
SAMURAI

Description:

(abstract)

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

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

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

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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

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