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  1. 福井工業大学研究紀要

Estimation of 2nd Phase Particle Size on Hot Crack of High Cr-Ni Steel Weld Heat Affected Zone Caused by Constitutional Liquation

https://doi.org/10.57375/00000851
https://doi.org/10.57375/00000851
25133cb0-c58a-442b-af5f-f18facea7017
名前 / ファイル ライセンス アクション
KJ00000201755.pdf KJ00000201755.pdf (478.7 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2009-04-10
タイトル
タイトル Estimation of 2nd Phase Particle Size on Hot Crack of High Cr-Ni Steel Weld Heat Affected Zone Caused by Constitutional Liquation
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
ID登録
ID登録 10.57375/00000851
ID登録タイプ JaLC
著者 SAITO, Kiichi

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SAITO, Kiichi

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内容記述タイプ Abstract
内容記述 Hot crack of high Cr-Ni stainless steel weld heat affected zone (HAZ) caused by liquationis closely related with constitutional liquation of 2nd phase particles in base metal . If particle size can be reduced In such degree that 2nd phase particles. Are decomposed during weld thermal cycle due t.o welding before constitutional liquation occurs and diffused into base metal matrix and are turned to sol id sol it ion, hot crack sensitivity of HAZ may be immunized. In the prsent study, we obtained critical particle size of such 2nd phase particles using the solution of the case where the particles were brought into contact with semi-infinite solid (base. Metal) according to the Second Low of Fick in diffusion, and HAZ hot crack sensitivity estimated from the theoretical critical particle size determined by this method was compared with the value obtained by hot. Ductility test. As a result, very good correlation was found between these two values, and it has become clear that constitutional liquation vas a principal cause of HAZ hot crack in this type of material. At the same time, it was demonstrated that the estimation hased on critical particle size of 2nd phase in t.he present study is practical ly suitable. As a method to assess hot crack sensitivity caused by liquation of high Cr-Ni steel weld HAZ.
書誌情報 福井工業大学研究紀要. 第一部

号 26, p. 85-92, 発行日 1996-03-20
出版者
出版者 福井工業大学
ISSN
収録物識別子タイプ ISSN
収録物識別子 2868571
書誌レコードID
識別子タイプ NCID
関連識別子 TF00009310
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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