3D-printing process design of lattice compressor impeller based on residual stress and deformation

Jia, Dejun; Li, Fanchun; Zhang, Yuan

doi:10.1038/s41598-019-57131-1

Cited by 46 publications

(15 citation statements)

References 40 publications

(40 reference statements)

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“…This combination has also been proposed by Quail et al [39], in the development of an impeller with complex blade profiles, using the FDM technique, verifying how it could represent an excellent alternative to conventional numerical control milling processes which are difficult and expensive for complex geometries. The application of RE techniques for the design of high efficiency impellers, manufactured using SLM, was successfully verified by Jia et al [40] who fabricated a TiAl6V4 lattice structure, to reduce the mass and the moment of inertia, verifying an increase in mechanical and structural performance. Elizondo and Reinert [41] reproduced the spare part of an aircraft's wing holder, made of Inconel 718 alloy, in order to ensure a more efficient, simpler and lightweight design.…”

Section: Introductionmentioning

confidence: 94%

Re-Engineering of an Impeller for Submersible Electric Pump to Be Produced by Selective Laser Melting

et al. 2021

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The subject of the present study is the reproduction of a submersible electric pump impeller through reverse engineering and additive manufacturing. All of the phases commonly envisaged in the reproduction of an existing piece were carried out. The aim of the study is to show how the chosen pump component can be effectively re-engineered and produced with the selective laser melting technique, obtaining a final product that is comparable if not even better than the starting one. To achieve this goal, the original piece was redesigned and a new model was created and analyzed. The whole process has been split into three main phases: (i) realization of the three-dimensional model from an existing piece using reverse engineering techniques; (ii) finite element analysis for the optimization of the use of the material; and (iii) 3D printing of a concept model in polyethylene terephthalate by using the fused deposition modeling technology and of the functional model in AISI 316 stainless steel with selective laser melting technology.

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Section: Introductionmentioning

confidence: 94%

Re-Engineering of an Impeller for Submersible Electric Pump to Be Produced by Selective Laser Melting

et al. 2021

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“…In some research papers, it was observed that the honeycomb structures are characterized by brittle fracture in dynamic tests, which resulted in significantly worse energy-consuming parameters for that kind of structure [ 13 ]. Different material behavior after the L-PBF processing of thin-walled parts has to be taken into account by designers, especially when constructing parts dedicated to military, aircraft, and medical applications [ 14 , 15 , 16 , 17 , 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting

et al. 2020

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Additive manufacturing is one of the most popular technological processes and is being considered in many research works, a lot of which are related to thin-walled parts analysis. There are many cases where different part geometries were manufactured using the same process parameters. That kind of approach often causes different porosity and surface roughness values in the geometry of each produced part. In this work, the porosity of thin-walled and monolithic parts was compared. To analyze additively manufactured samples, porosity and microstructural analyses were done. Additionally, to check the influence of process parameter modification on the manufactured parts’ properties, hardness and roughness measurements were made. Surface roughness and the influence of surface treatment were also taken into account. Porosity reduction of thin-walled parts with energy density growth was observed. Additionally, a positive influence of slight energy density growth on the surface roughness of produced parts was registered. Comparing two extreme-parameter groups, it was observed that a 56% energy density increase caused an almost 85% decrease in porosity and a 45% increase in surface roughness. Additional surface treatment of the material allowed for a 70–90% roughness reduction.

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“…Therefore, in our previous research 20 , a lattice based on conventional cubic lattice structure and rotating array lattice structure is proposed for the first time. Under the same load condition, the stress and deformation of rotating lattice filling and conventional lattice filling disk models are compared and verified, and the advantages and disadvantages of two lattice filling models are given in this paper.…”

Section: Introductionmentioning

confidence: 99%

Lightweight design and static analysis of lattice compressor impeller

Zhang

Jia

2020

Sci Rep

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Taking the compressor impeller as the research object and the lightweight design as the research goal, a lattice filled lattice cell suitable for the application of rotating periodic symmetric structure is designed. Its purpose is to make the rigidity and strength of impeller adjustable and reduce the mass of impeller on the premise of meeting the design requirements. The analysis and comparison of unfilled impeller, solid impeller and lattice filled impeller with different diameters were carried out under the limit condition of 80,000 r/min. The results showed that the average circumferential deformation of lattice impeller tip with beam diameter of 0.2 mm, 0.4 mm and 1 mm was 4.84%, 3.49% and 3.71% lower than that of solid impeller. For the impeller with a lattice beam diameter of 0.4 mm, its weight can be reduced by 22.68% compared with the solid impeller. The average circumferential deformation of the tip of the lattice impeller lies between the unfilled impeller and the solid impeller. The results show that the impeller with lattice filling hub can not only reduce the weight effectively, but also improve the efficiency of the compressor.

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3D-printing process design of lattice compressor impeller based on residual stress and deformation

Cited by 46 publications

References 40 publications

Re-Engineering of an Impeller for Submersible Electric Pump to Be Produced by Selective Laser Melting

Re-Engineering of an Impeller for Submersible Electric Pump to Be Produced by Selective Laser Melting

Modification of Structural Properties Using Process Parameters and Surface Treatment of Monolithic and Thin-Walled Parts Obtained by Selective Laser Melting

Lightweight design and static analysis of lattice compressor impeller

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