A Study on Using Hot-Rolled Steel Sheet for Ship Superstructure

Hisao Narimatsu, Masakazu Kuwada, Koji Gotoh

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Application of the hot-rolled steel sheet for the members of superstructure, where the strength requirement of these parts in ships is not severe, is expected as a solution to reduce the hull construction cost. Because the hot-rolled steel sheet is applied after recoiling by cold working to return it to a flat plate, the material properties is deteriorated due to excessive plastic working and the residual stress induced by the plastic work might affect for the thermal cutting and welding. There is a possibility that the hot-rolled steel sheet has poor properties comparing with the flat rolled steels applied for hull parts where the structural integrities are required by the classification societies’ rules. The difference of properties between the hot-rolled steel sheet and the flat rolled steel are investigated in this research. Investigated items are mechanical properties, microstructures, initial residual stress distributions, hardness distributions, distortion after thermal cutting and laser-arc hybrid welding.

本文言語英語
ホスト出版物のタイトルPractical Design of Ships and Other Floating Structures - Proceedings of the 14th International Symposium, PRADS 2019 - Volume 3
編集者Tetsuo Okada, Yasumi Kawamura, Katsuyuki Suzuki
出版社Springer Science and Business Media Deutschland GmbH
ページ243-257
ページ数15
ISBN(印刷版)9789811546792
DOI
出版ステータス出版済み - 2021
イベント14th International Symposium on Practical Design of Ships and Other Floating Structures, PRADS 2019 - Yokohama, 日本
継続期間: 9 22 20199 26 2019

出版物シリーズ

名前Lecture Notes in Civil Engineering
65 LNCE
ISSN(印刷版)2366-2557
ISSN(電子版)2366-2565

会議

会議14th International Symposium on Practical Design of Ships and Other Floating Structures, PRADS 2019
Country日本
CityYokohama
Period9/22/199/26/19

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering

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