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Existence Form and Distribution of Mn and the Effect of Mn Content on High-Temperature Stress Rupture Properties of K417G Superalloy
Yang Yaqian1; Xing Weiwei1; Chen Weiliang2; Chen Bo1; Ma Yingche1; Liu Kui1
Corresponding AuthorChen Bo(bchen@imr.ac.cn)
2021-10-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume50Issue:10Pages:3470-3476
AbstractThe high-temperature stress rupture properties of K417G superalloy with various Mn contents (0.09wt%similar to 0.35wt%) were studied and the existence form and distribution of Mn were evaluated as well. The results show that Mn is solid-dissolved in gamma matrix and enriched in gamma'-depleted matrix in front of gamma+gamma' eutectic cap. Mn elements promote the segregation of Al and Ti to interdendrite zone, thus increasing the volume fraction of gamma+gamma' eutectic in interdendrite zone and decreasing the size of gamma' phase in dendrite core. With the increase of Mn content, the stress rupture life and the plasticity decrease greatly under the condition of 950 degrees C/235 MPa. The alloy with the minimal Mn content shows the optimal high-temperature stress rupture properties.
KeywordMn content microsegregation stress rupture properties existence form K417G
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000715969500006
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167299
Collection中国科学院金属研究所
Corresponding AuthorChen Bo
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Northeastern Univ, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Yang Yaqian,Xing Weiwei,Chen Weiliang,et al. Existence Form and Distribution of Mn and the Effect of Mn Content on High-Temperature Stress Rupture Properties of K417G Superalloy[J]. RARE METAL MATERIALS AND ENGINEERING,2021,50(10):3470-3476.
APA Yang Yaqian,Xing Weiwei,Chen Weiliang,Chen Bo,Ma Yingche,&Liu Kui.(2021).Existence Form and Distribution of Mn and the Effect of Mn Content on High-Temperature Stress Rupture Properties of K417G Superalloy.RARE METAL MATERIALS AND ENGINEERING,50(10),3470-3476.
MLA Yang Yaqian,et al."Existence Form and Distribution of Mn and the Effect of Mn Content on High-Temperature Stress Rupture Properties of K417G Superalloy".RARE METAL MATERIALS AND ENGINEERING 50.10(2021):3470-3476.
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