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Microstructure Evolution during High Temperature of a lOCr Heat-Resistant Steel Creep
  • ISSN号:1005-0302
  • 期刊名称:《材料科学技术学报:英文版》
  • 时间:0
  • 分类:TG457.11[金属学及工艺—焊接] TB302.3[一般工业技术—材料科学与工程]
  • 作者机构:[1]Institute ofMetal Research, Chinese Academy of Sciences, Shenyang 110016, China, [2]Graduate School of Chinese Academy of Sciences, Beijing 100049, China, [3]School of Planning, Architecture and Civil Engineering, Queen's University of Belfast, Belfast BT71NN, UK, [4]Electric Power Research Institute of Guangdong Power Grid Corporation, Guangzhou 510080, China
  • 相关基金:Acknowledgements This work was supported by the National 863 HighTech Project (No. 2006AA03Z530) and tile National 973 Program (No. 2010CB630800).
中文摘要:

10Cr ferritic/martensitic 的微观结构进化耐热的钢在期间在 600 爬

英文摘要:

The microstructure evolution of a 10Cr ferritic/martensitic heat-resistant steel during creep at 600℃ was investigated in this work. Creep tests demonstrated that the 10Cr steel had higher creep strength than conventional ASME-P92 steel at 600℃. The rnicrostructure after creep was studied by transmission electron microscopy, scanning electron microscopy and electron probe microanalysis. It was revealed that the martensitic laths were coarsened with time and eventually developed into subgrains after 8354 h. Laves phase was observed to grow and cluster along the prior austenite grain boundaries during creep and caused the fluctuation of solution and precipitation strengthening effects, which was responsible for the two slope changes on the creep rupture strength vs rupture time curve. It was also revealed that the microstructure evolution could be accelerated by stress, which resulted in the lower hardness in the deformed part of the creep specimen, compared with the aging part.

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期刊信息
  • 《材料科学技术学报:英文版》
  • 中国科技核心期刊
  • 主管单位:中国科协
  • 主办单位:中国金属学会
  • 主编:
  • 地址:中国沈阳文化路72号
  • 邮编:110016
  • 邮箱:
  • 电话:024-83978208
  • 国际标准刊号:ISSN:1005-0302
  • 国内统一刊号:ISSN:21-1315/TG
  • 邮发代号:
  • 获奖情况:
  • 国家“双百”期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘(网络版),荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,美国科学引文索引(扩展库),日本日本科学技术振兴机构数据库,中国中国科技核心期刊
  • 被引量:474