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Effect of HIP temperature and cooling rate on microstructure and hardness of joints for ODS-RAFM steels and JLF-1 steel
http://hdl.handle.net/10655/00012681
http://hdl.handle.net/10655/0001268101251ccf-a282-4f8e-bfff-1c6c636574e2
名前 / ファイル | ライセンス | アクション |
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pfr2016_11-2405039 (1.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-11-29 | |||||
タイトル | ||||||
タイトル | Effect of HIP temperature and cooling rate on microstructure and hardness of joints for ODS-RAFM steels and JLF-1 steel | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ODS-RAFM | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | hot isostatic pressing | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | coarse precipitate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cooling rate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | post-weld heat treatment | |||||
キーワード | ||||||
主題Scheme | Other | |||||
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 | journal article | |||||
著者 |
FU, Haiying
× FU, Haiying× NAGASAKA, Takuya× MUROGA, Takeo× KIMURA, Akihiro× UKAI, Shigeharu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Dissimilar-metal joints between ODS-RAFM (oxide-dispersion-strengthened reduced activation ferritic/ martensitic) steels and JLF-1 steel were fabricated by hot isostatic pressing (HIP) at 1000 - 1100 °C with a cooling rate of 5 °C/min. After the HIP, it was always quenched martensite for JLF-1 steel. However, coarse precipitates were found in 9Cr-ODS. Additional annealing experiments to simulate HIP conditions were conducted for 9Cr-ODS with cooling rate ranged from 0.5 to 36 °C/min at 800 - 1100 °C. The results showed that, to form quenched martensite for 9Cr-ODS, the HIP temperature should be above 1000 °C with cooling rate no less than 25 °C/min. When the cooling rate is increased to 36 °C/min, the microstructure of 9Cr-ODS is quenched martensite with precipitate size similar as that before HIP. If the limitation of precipitate size in 9Cr-ODS is 0.2 μm, HIP temperature above 1050 °C with cooling rate no less than 30 °C/min is needed. In this case, post-weld heat treatment (PWHT) with only tempering is necessary to recover the microstructure of 9Cr-ODS to tempered martensite. For 12Cr-ODS, the HIP temperature and cooling rate has no effect on hardness and precipitate size. PWHT is not necessary for the single-metal joint of 12Cr-ODS from the view point of precipitation control. However, for the dissimilar-metal joints between ODS-RAFM steels and JLF-1 steel, the PWHT condition should be comprehensively determined by considering microstructural evolution of each part in the joints after HIP. | |||||
書誌情報 |
Plasma and Fusion Research 巻 11, 号 Special Issue1_ITC25, p. 2405039, 発行日 2016-04-15 |
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出版者 | ||||||
出版者 | Publisher The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18806821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.11.2405039 | |||||
権利 | ||||||
権利情報 | (c) 2016 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.11.2405039 | |||||
関連名称 | Published version | |||||
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 | |||||
NAIS | ||||||
10352 |