Effect of Cr on the microstructure and oxidation properties of Co-Al-W superalloys studied by in situ environmental TEM - 文章详情页

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摘要：

Modern　in　situ　oxidation　processes　can　be　observed　down　to　the　nanoscale　using　environmental　transmission　electron　microscope　(TEM),　and　this　technology　has　been　applied　to　conventional　corrosion　science　to　provide　more　detailed　intrinsic　information　on　the　oxidation　properties　of　materials.　The　influence　of　chromium　(0-10　at.%)　addition　on　the　microstructure　and　oxidation　properties　of　a　gamma/gamma＇　two-phase　Co82Al9W9-based　superalloy　was　systematically　investigated.　The　in　situ　oxidation　behaviour　of　Cr-containing　alloys　was　studied　using　environmental　TEM,　and　the　addition　of　moderate　Cr　amounts　is　suggested　for　the　alloy　design.

关键词：

Cr addition Microstructure In situ oxidation Co-Al-W superalloy ETEM

作者机构：

[ 1 ] [Chen, Yanhui]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 2 ] [Wang, Chunhui]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 3 ] [Li, Xueqiao]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 4 ] [Deng, Qingsong]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 5 ] [Yang, Xiaomeng]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 6 ] [Long, Haibo]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 7 ] [Li, Wei]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 8 ] [Yang, Luyan]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 9 ] [Li, Ang]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
[ 10 ] [Xue, Fei]Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
[ 11 ] [Yang, Xiaomeng]Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

通讯作者信息：

李昂
[Li, Ang]Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China

电子邮件地址：

ang.li@bjut.edu.cn

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