Abstract：
:The application of a lattice structure in the lightweight design of compressor impellers can reduce their mass and moment of inertia, hence improving the effective carrying of aircraft and reducing the start and braking moments of the impeller. The feasibility of a processing-lattice compressor impeller is the prerequisite for its application. To control the residual deformation and residual stress effectively, a computer-aided design technique is used to simulate the manufacturing process of a compressor impeller. The residual deformation and stress of the compressor impeller during the additive manufacturing process is calculated. The material-stacking process and base-plate- and support-removal process of a TiAl6V4 impeller printed by an SLM280 metal 3D printer are simulated by the finite-element method. The results show that some change in the laser printing parameters leads to a significant impact on the residual stress and deformation amplitude of the impeller. The residual deformation and residual stress of the lattice compressor impeller with the same geometrical appearance after processing are less than the corresponding amplitude of the solid compressor impeller, which also shows that the printed lattice compressor impeller can more easily achieve the design requirements.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Jia D,Li F,Zhang Ydoi
10.1038/s41598-019-57131-1subject
Has Abstractpub_date
2020-01-17 00:00:00pages
600issue
1issn
2045-2322pii
10.1038/s41598-019-57131-1journal_volume
10pub_type
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journal_title：Scientific reports
pub_type： 杂志文章
doi：10.1038/s41598-018-26364-x
更新日期：2018-05-31 00:00:00
abstract：:Sesame is prized for its oil. Genetic improvement of sesame can be enhanced through marker-assisted breeding. However, few simple sequence repeat (SSR) markers and SSR-based genetic maps were available in sesame. In this study, 7,357 SSR markers were developed from the sesame genome and transcriptomes, and a genetic m...
journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2017-08-21 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2019-09-13 00:00:00
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pub_type： 已发布勘误
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更新日期：2020-06-30 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章,多中心研究,随机对照试验
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pub_type： 临床试验,杂志文章
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pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-10-13 00:00:00
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pub_type： 杂志文章
doi：10.1038/srep05449
更新日期：2014-06-26 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
doi：10.1038/srep30896
更新日期：2016-08-03 00:00:00
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更新日期：2016-02-10 00:00:00
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