High-temperature oxidation behavior of the Co-base superalloy DZ40M in air
Liu, PS; Liang, KM
Corresponding AuthorLiu, PS()
AbstractThe oxidation behavior of the Go-base superalloy DZ40M was studied in air at 900-1100 degrees C for times of up to 2000 hr. The results indicated that this alloy can grow a protective oxide scale at 900 and 1000 degrees C during isothermal oxidation, but not at 1100 degrees C because of serious cracking cmd spalling of the oxide scales. Moreover, an internal-precipitate zone formed in the subsurface region of the alloy at all temperatures and times. The precipitates, were rich in Cr in the vicinity of the ahoy-scale interface and rich in Al deep in the alloy. The internal-precipitate morphology changed from a granular to needlelike shape with increasing oxidation temperature.
KeywordCo-base superalloy high-temperature oxidation kinetics structure
Indexed BySCI
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000085772400008
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Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiu, PS
Affiliation1.Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Met Res Inst, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Liu, PS,Liang, KM. High-temperature oxidation behavior of the Co-base superalloy DZ40M in air[J]. OXIDATION OF METALS,2000,53(3-4):351-360.
APA Liu, PS,&Liang, KM.(2000).High-temperature oxidation behavior of the Co-base superalloy DZ40M in air.OXIDATION OF METALS,53(3-4),351-360.
MLA Liu, PS,et al."High-temperature oxidation behavior of the Co-base superalloy DZ40M in air".OXIDATION OF METALS 53.3-4(2000):351-360.
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