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  1. 40 大学院工学研究科・工学部
  2. 40C 紀要
  3. Research reports of the Faculty of Engineering, Mie University
  4. 23 (1998)

Effect of stress-relief annealing ofr preventing low-ductilitu creep-fracture of HAZ of Cr-Mo steel

http://hdl.handle.net/10076/4068
http://hdl.handle.net/10076/4068
51131e95-c0e2-48a0-8cf7-4f888b261c87
名前 / ファイル ライセンス アクション
AA008163410230003.PDF AA008163410230003.PDF (1.5 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2007-07-02
タイトル
タイトル Effect of stress-relief annealing ofr preventing low-ductilitu creep-fracture of HAZ of Cr-Mo steel
言語
言語 eng
キーワード
主題Scheme Other
主題 Cr-Mo steels
キーワード
主題Scheme Other
主題 low-ductility creep fracture
キーワード
主題Scheme Other
主題 heat affected zone
キーワード
主題Scheme Other
主題 synthetic HAZ specimen
キーワード
主題Scheme Other
主題 SR treatment
キーワード
主題Scheme Other
主題 segregation of impurity
キーワード
主題Scheme Other
主題 intergranular fracture
キーワード
主題Scheme Other
主題 secondary hardening
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
著者 Kawakami, Hiroshi

× Kawakami, Hiroshi

WEKO 10817

Kawakami, Hiroshi

Search repository
Tamaki, Koreaki

× Tamaki, Koreaki

WEKO 10818

Tamaki, Koreaki

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Suzuki, Jippei

× Suzuki, Jippei

WEKO 10819

Suzuki, Jippei

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Akao, Nobuhiro

× Akao, Nobuhiro

WEKO 10820

Akao, Nobuhiro

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Morisawa, Shiro

× Morisawa, Shiro

WEKO 10821

Morisawa, Shiro

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著者別名 川上, 博士

× 川上, 博士

WEKO 10822

川上, 博士

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玉置, 維昭

× 玉置, 維昭

WEKO 10823

玉置, 維昭

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鈴木, 実平

× 鈴木, 実平

WEKO 10824

鈴木, 実平

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赤尾, 信広

× 赤尾, 信広

WEKO 10825

赤尾, 信広

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森澤, 史郎

× 森澤, 史郎

WEKO 10826

森澤, 史郎

Search repository
抄録
内容記述タイプ Abstract
内容記述 Low-ductility creep-fracture (LDCF) occured occasionally in heat affected zone (HAZ) of Cr-Mo steels under long-time service. Effect of SR treatment for LDCF of 2 1/4Cr-1Mo and 1 1/4Cr-1/2Mo steel was investigated from the view point of improving ductility of specimen. LDCF was reproduced in laboratory by using synthetic HAZ specimen and creep-rupture test. Two types of intergranular fracture (Type I and Type Ⅱ) were observed in fracture surfaces of specimens. SR treatment was carried out at 975K and 925K for 2 1/4Cr-1Mo and for 1 1/4Cr-1/2Mo steels, respectively. The time for SR treatment ranges from 2 to 200hr. Duvtility of HAZ specimen was improved very much by SR treatment producing the ductile fracture of type Ⅲ when the treating time was long enough. When the treating time was short, the ductility in short time range was large but it decreased in long time range producing the fracture of type Ⅱ. The optimum condition of SR treatment is 20hr at 975K abd 200hr at 925K for 2 1/4Cr-1Mo steel and for 1 1/4Cr-1/2Mo steel, respectively.
書誌情報 Research reports of the Faculty of Engineering, Mie University

巻 23, p. 1-12, 発行日 1998-12-25
ISSN
収録物識別子タイプ ISSN
収録物識別子 0385-6208
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00816341
フォーマット
内容記述タイプ Other
内容記述 application/pdf
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
その他のタイトル
Cr-Mo鋼HAZの低延性クリープ破壊の防止における応力除去焼なましの効果
出版者
出版者 Faculty of Engineering, Mie University
資源タイプ(三重大)
Departmental Bulletin Paper / 紀要論文
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