Article(id=1221425785433407717, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221425781750808678, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202205092, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1653321600000, receivedDateStr=2022-05-24, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1769140200241, onlineDateStr=2026-01-23, pubDate=1674576000000, pubDateStr=2023-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769140200241, onlineIssueDateStr=2026-01-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769140200241, creator=13701087609, updateTime=1769140200241, updator=13701087609, issue=Issue{id=1221425781750808678, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='1', pageStart='1', pageEnd='182', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769140199363, creator=13701087609, updateTime=1769145231708, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1221446888994292213, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221425781750808678, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1221446888994292214, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1221425781750808678, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=98, endPage=104, ext={EN=ArticleExt(id=1221425786372931830, articleId=1221425785433407717, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Surface property of Incoloy 800H alloy in alkaline high-temperature and high-pressure water, columnId=1211002409397129992, journalTitle=Thermal Power Generation, columnName=Power generation technology forum, runingTitle=null, highlight=null, articleAbstract=

The high-temperature and high-pressure (300 ℃/10 MPa) corrosion electrochemical behavior and oxide film microscopic features of Incoloy 800H alloy aged at 675 ℃ for 0~10 000 h in alkaline environament were investigated systematically. By means of electrochemical test, long-term immersion test, scanning electron microscope/transmission electron microscope observation, Raman spectroscopy/fast Fourier transform analysis and other methods, the electrochemical activity, evolution of oxide film morphology and composition characteristics of the 800H alloy with extension of aging time were systematically studied. The results show that, the value of open circuit potential and self-corrosion potential Ecorr of the 800H alloy in high-temperature and high-pressure water can be slightly increased by aging treatment, but the effect of aging time extension on the electrochemical behavior was not significant. A passive to trans-passive process was depicted. The oxide film of the 800H alloy formed in high-temperature and high-pressure water had a multilayer structure: the most outer layer was the dispersed large particle oxides composed of Fe2O3 or NiFe2O4; the middle layer was relatively compact small size oxides, mostly NiFe2O4 or FeCr2O4; while the inner layer was dense and continuous oxides, amorphous or nanocrystalline oxide containing Cr and a small amount of Fe. The 800H alloy has good corrosion resistance and surface stability in alkaline high temperature and high pressure water of 300 ℃/10 MPa.

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对675 ℃时效0~10 000 h的Incoloy 800H合金(800H合金)在300 ℃/10 MPa的碱性高温高压水化学环境中的腐蚀电化学行为和氧化膜显微特征进行了系统研究。通过腐蚀电化学测试、长期浸泡、扫描电镜/透射电镜观察、拉曼光谱/快速傅里叶变化分析等方法,掌握了800H合金腐蚀电化学行为、表面膜形态成分特征随时效时间的变化规律。研究结果表明:时效处理可使800H合金传热管在高温高压水中的开路电位和自腐蚀电位Ecorr小幅升高,但时效时间延长对电化学行为影响不显著;800H合金在高温高压水中呈现钝化过钝化转变,生成的氧化膜呈多层结构,最外层为弥散分布的大颗粒氧化物,组成为Fe2O3或NiFe2O4;中间层为较为致密的小尺寸氧化物,多为NiFe2O4或FeCr2O4;内层则是致密且连续的氧化物,为含Cr和少量Fe的非晶或纳米晶氧化物。800H合金在300 ℃/10 MPa的碱性高温高压水中具有较好的抗腐蚀性和表面稳定性。

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李季(1985),女,博士,高级工程师,主要研究方向为火电、核电用金属材料性能,

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Incoloy 800H合金在碱性高温高压水中的表面特性研究
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李季 1 , 詹英杰 2 , 唐丽英 1 , 徐安 2 , 李江 1 , 周荣灿 1 , 王庆武 2 , 龚兵 2
热力发电 | 发电技术论坛 2023,52(1): 98-104
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热力发电 | 发电技术论坛 2023, 52(1): 98-104
Incoloy 800H合金在碱性高温高压水中的表面特性研究
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李季1 , 詹英杰2, 唐丽英1, 徐安2, 李江1, 周荣灿1, 王庆武2, 龚兵2
作者信息
  • 1.西安热工研究院有限公司,陕西 西安 710054
  • 2.华能山东石岛湾核电有限公司,山东 荣成 264399
  • 李季(1985),女,博士,高级工程师,主要研究方向为火电、核电用金属材料性能,

Surface property of Incoloy 800H alloy in alkaline high-temperature and high-pressure water
Ji LI1 , Yingjie ZHAN2, Liying TANG1, An XU2, Jiang LI1, Rongcan ZHOU1, Qingwu WANG2, Bing GONG2
Affiliations
  • 1.Xi'an Thermal Power Research Institute Co. Ltd., Xi'an 710054, China
  • 2.Huaneng Shandong Shidao Bay Nuclear Power Co., Ltd., Rongcheng 264399, China
出版时间: 2023-01-25 doi: 10.19666/j.rlfd.202205092
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对675 ℃时效0~10 000 h的Incoloy 800H合金(800H合金)在300 ℃/10 MPa的碱性高温高压水化学环境中的腐蚀电化学行为和氧化膜显微特征进行了系统研究。通过腐蚀电化学测试、长期浸泡、扫描电镜/透射电镜观察、拉曼光谱/快速傅里叶变化分析等方法,掌握了800H合金腐蚀电化学行为、表面膜形态成分特征随时效时间的变化规律。研究结果表明:时效处理可使800H合金传热管在高温高压水中的开路电位和自腐蚀电位Ecorr小幅升高,但时效时间延长对电化学行为影响不显著;800H合金在高温高压水中呈现钝化过钝化转变,生成的氧化膜呈多层结构,最外层为弥散分布的大颗粒氧化物,组成为Fe2O3或NiFe2O4;中间层为较为致密的小尺寸氧化物,多为NiFe2O4或FeCr2O4;内层则是致密且连续的氧化物,为含Cr和少量Fe的非晶或纳米晶氧化物。800H合金在300 ℃/10 MPa的碱性高温高压水中具有较好的抗腐蚀性和表面稳定性。

Incoloy 800H合金  /  高温气冷堆  /  表面特性  /  碱性高温高压水

The high-temperature and high-pressure (300 ℃/10 MPa) corrosion electrochemical behavior and oxide film microscopic features of Incoloy 800H alloy aged at 675 ℃ for 0~10 000 h in alkaline environament were investigated systematically. By means of electrochemical test, long-term immersion test, scanning electron microscope/transmission electron microscope observation, Raman spectroscopy/fast Fourier transform analysis and other methods, the electrochemical activity, evolution of oxide film morphology and composition characteristics of the 800H alloy with extension of aging time were systematically studied. The results show that, the value of open circuit potential and self-corrosion potential Ecorr of the 800H alloy in high-temperature and high-pressure water can be slightly increased by aging treatment, but the effect of aging time extension on the electrochemical behavior was not significant. A passive to trans-passive process was depicted. The oxide film of the 800H alloy formed in high-temperature and high-pressure water had a multilayer structure: the most outer layer was the dispersed large particle oxides composed of Fe2O3 or NiFe2O4; the middle layer was relatively compact small size oxides, mostly NiFe2O4 or FeCr2O4; while the inner layer was dense and continuous oxides, amorphous or nanocrystalline oxide containing Cr and a small amount of Fe. The 800H alloy has good corrosion resistance and surface stability in alkaline high temperature and high pressure water of 300 ℃/10 MPa.

Incoloy 800H alloy  /  high temperature gas cooled reactor  /  surface property  /  alkaline high-temperature high-pressure alkaline water
李季, 詹英杰, 唐丽英, 徐安, 李江, 周荣灿, 王庆武, 龚兵. Incoloy 800H合金在碱性高温高压水中的表面特性研究. 热力发电, 2023 , 52 (1) : 98 -104 . DOI: 10.19666/j.rlfd.202205092
Ji LI, Yingjie ZHAN, Liying TANG, An XU, Jiang LI, Rongcan ZHOU, Qingwu WANG, Bing GONG. Surface property of Incoloy 800H alloy in alkaline high-temperature and high-pressure water[J]. Thermal Power Generation, 2023 , 52 (1) : 98 -104 . DOI: 10.19666/j.rlfd.202205092
  • 国家科技重大专项(2017ZX06906009)
  • 中国华能集团有限公司总部科技项目(HNKJ18-H41)
2023年第52卷第1期
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doi: 10.19666/j.rlfd.202205092
  • 接收时间:2022-05-24
  • 首发时间:2026-01-23
  • 出版时间:2023-01-25
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  • 收稿日期:2022-05-24
基金
National Science and Technology Major Project(2017ZX06906009)
国家科技重大专项(2017ZX06906009)
Science and Technology Project of China Huaneng Group Co., Ltd.(HNKJ18-H41)
中国华能集团有限公司总部科技项目(HNKJ18-H41)
作者信息
    1.西安热工研究院有限公司,陕西 西安 710054
    2.华能山东石岛湾核电有限公司,山东 荣成 264399
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https://castjournals.cast.org.cn/joweb/rlfd/CN/10.19666/j.rlfd.202205092
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2种不同金属材料的力学参数

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Genus
种数
Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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