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Characteristics and printability of K417G nickel-base alloy powder prepared by VIGA method
Jia, Wuming; Chen, Suiyuan; Wei, Mingwei; Liang, Jing; Liu, Changsheng; Li, Jinguo
2019
Source PublicationPOWDER METALLURGY
ISSN0032-5899
Volume62Issue:1Pages:30-37
AbstractNickel-based K417G superalloy powder is the main material used in laser additive manufacturing (LAM) of aerospace engine turbine blades. In this study, K417G powder was prepared by the vacuum induction melting gas atomisation method (VIGA). Powder characteristics and microstructure were measured, and the properties of fabricated samples were studied. The results show that the powder mean particle size D-50 was 74 mu m, flowability was 16.6 s/50 g, apparent density was 4.78 g cm(-3), and the oxygen content of the powder was 0.015%. Powder and LAM sample microstructure consisted of gamma, gamma ', and carbide. The average microhardness was 410 HV, tensile strength was 1080 MPa, yield strength was 828 MPa and elongation was 13.52%. K417G superalloy powder prepared by VIGA method has potential for application in laser additive manufacturing.
KeywordLAM blades K417G powder VIGA method powder characteristics
Indexed BySCI
Language英语
WOS IDWOS:000458410800004
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81484
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Jia, Wuming,Chen, Suiyuan,Wei, Mingwei,et al. Characteristics and printability of K417G nickel-base alloy powder prepared by VIGA method[J]. POWDER METALLURGY,2019,62(1):30-37.
APA Jia, Wuming,Chen, Suiyuan,Wei, Mingwei,Liang, Jing,Liu, Changsheng,&Li, Jinguo.(2019).Characteristics and printability of K417G nickel-base alloy powder prepared by VIGA method.POWDER METALLURGY,62(1),30-37.
MLA Jia, Wuming,et al."Characteristics and printability of K417G nickel-base alloy powder prepared by VIGA method".POWDER METALLURGY 62.1(2019):30-37.
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