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Formation of Sliver Defect in Ni-Based Single Crystal Superalloy
Huang, Yaqi; Shen, Jian; Wang, Dong; Xie, Guang; Lu, Yuzhang; Lou, Langhong; Zhang, Jian
2019-11-02
Source PublicationMETALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
ISSN1073-5623
AbstractThe formation mechanism of sliver defect in Ni-based single crystal superalloy was investigated by X-ray computed tomography and electron backscattered diffraction. The origin of sliver due to the localized deformation of 1-2 dendrites near the mold wall was experimentally observed. The diverging boundary was the favorite position for sliver initiation. It was found that the deformation that induced sliver occurred in the mushy zone and was limited in the lower part of the dendrite. Thermal contraction forces played an important role in the formation of sliver. The dendrite deformation was attributed to the imbalanced force loaded on the dendrite.
Indexed BySCI
Language英语
WOS IDWOS:000493647500007
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80668
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Huang, Yaqi,Shen, Jian,Wang, Dong,et al. Formation of Sliver Defect in Ni-Based Single Crystal Superalloy[J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,2019.
APA Huang, Yaqi.,Shen, Jian.,Wang, Dong.,Xie, Guang.,Lu, Yuzhang.,...&Zhang, Jian.(2019).Formation of Sliver Defect in Ni-Based Single Crystal Superalloy.METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE.
MLA Huang, Yaqi,et al."Formation of Sliver Defect in Ni-Based Single Crystal Superalloy".METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE (2019).
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