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Analysis of Powder-Gas Flow in Nozzles of Spray-Based Additive Manufacturing Technologies.
Analysis of Powder-Gas Flow in Nozzles of Spray-Based Additive Manufacturing Technologies.
상세정보
- 자료유형
- 학위논문
- Control Number
- 0017164312
- International Standard Book Number
- 9798342144582
- Dewey Decimal Classification Number
- 660
- Main Entry-Personal Name
- Gabor, Theodore T.
- Publication, Distribution, etc. (Imprint
- [S.l.] : Purdue University., 2024
- Publication, Distribution, etc. (Imprint
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- Physical Description
- 211 p.
- General Note
- Source: Dissertations Abstracts International, Volume: 86-04, Section: A.
- General Note
- Advisor: Jun, Martin Byung-Guk;Wu, Benxin;Chen, Jun;Lee, Chi Hwan.
- Dissertation Note
- Thesis (Ph.D.)--Purdue University, 2024.
- Summary, Etc.
- 요약Powder Sprays such as Direct Energy Deposition and Cold Spray are rapidly growing and promising manufacturing methods in the Additive Manufacturing field, as they allow easy and localized delivery of powder to be fused to a substrate and consecutive layers. The relatively small size of nozzles allows for these methods to be mounted on CNC machines and Robotic Arms for the creation of complex shapes. However, these manufacturing methods are inherently stochastic, and therefore differences in powder size, shape, trajectory, and velocity can drastically affect whether they will deposit on a substrate. This variation results in an inherent reduction of deposition efficiency, leading to waste and the need for powder collection or recycling systems. The design of the nozzles can drastically affect the variation of powder trajectory and velocity on a holistic level, and thus understanding the gas-powder flow of these nozzles in respect to the features of said nozzles is crucial. This paper proposes and examines how changes in the nozzle geometry affect gas-powder flow and powder focusing for Direct Energy Deposition and Cold Spray. In addition, a new Pulsed Cold Spray nozzle design is proposed that will control the amount of gas and powder used by the nozzle via solenoid actuation. By making these changes to the nozzle, it is possible to improve deposition efficiency and reduce powder/gas waste in these processes, while also allowing for improved coating density. Furthermore, the research done in this thesis will also focus on novel applications to powder spray manufacturing methods, focusing on polymer metallization and part identification.
- Subject Added Entry-Topical Term
- Cold.
- Subject Added Entry-Topical Term
- Random access memory.
- Subject Added Entry-Topical Term
- Metal forming.
- Subject Added Entry-Topical Term
- Printed circuit boards.
- Subject Added Entry-Topical Term
- Protective coatings.
- Subject Added Entry-Topical Term
- Aluminum.
- Subject Added Entry-Topical Term
- Energy.
- Subject Added Entry-Topical Term
- Scanning electron microscopy.
- Subject Added Entry-Topical Term
- Robotics.
- Subject Added Entry-Topical Term
- Polymers.
- Subject Added Entry-Topical Term
- Raw materials.
- Subject Added Entry-Topical Term
- Viscosity.
- Subject Added Entry-Topical Term
- Fourier transforms.
- Subject Added Entry-Topical Term
- Power.
- Subject Added Entry-Topical Term
- Computer aided design--CAD.
- Subject Added Entry-Topical Term
- Spray painting.
- Subject Added Entry-Topical Term
- Analytical chemistry.
- Subject Added Entry-Topical Term
- Design.
- Subject Added Entry-Topical Term
- Electrical engineering.
- Subject Added Entry-Topical Term
- Industrial engineering.
- Subject Added Entry-Topical Term
- Materials science.
- Subject Added Entry-Topical Term
- Mathematics.
- Subject Added Entry-Topical Term
- Polymer chemistry.
- Added Entry-Corporate Name
- Purdue University.
- Host Item Entry
- Dissertations Abstracts International. 86-04A.
- Electronic Location and Access
- 로그인을 한후 보실 수 있는 자료입니다.
- Control Number
- joongbu:657642
MARC
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■020 ▼a9798342144582
■035 ▼a(MiAaPQ)AAI31606920
■035 ▼a(MiAaPQ)Purdue26504236
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a660
■1001 ▼aGabor, Theodore T.
■24510▼aAnalysis of Powder-Gas Flow in Nozzles of Spray-Based Additive Manufacturing Technologies.
■260 ▼a[S.l.]▼bPurdue University. ▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a211 p.
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-04, Section: A.
■500 ▼aAdvisor: Jun, Martin Byung-Guk;Wu, Benxin;Chen, Jun;Lee, Chi Hwan.
■5021 ▼aThesis (Ph.D.)--Purdue University, 2024.
■520 ▼aPowder Sprays such as Direct Energy Deposition and Cold Spray are rapidly growing and promising manufacturing methods in the Additive Manufacturing field, as they allow easy and localized delivery of powder to be fused to a substrate and consecutive layers. The relatively small size of nozzles allows for these methods to be mounted on CNC machines and Robotic Arms for the creation of complex shapes. However, these manufacturing methods are inherently stochastic, and therefore differences in powder size, shape, trajectory, and velocity can drastically affect whether they will deposit on a substrate. This variation results in an inherent reduction of deposition efficiency, leading to waste and the need for powder collection or recycling systems. The design of the nozzles can drastically affect the variation of powder trajectory and velocity on a holistic level, and thus understanding the gas-powder flow of these nozzles in respect to the features of said nozzles is crucial. This paper proposes and examines how changes in the nozzle geometry affect gas-powder flow and powder focusing for Direct Energy Deposition and Cold Spray. In addition, a new Pulsed Cold Spray nozzle design is proposed that will control the amount of gas and powder used by the nozzle via solenoid actuation. By making these changes to the nozzle, it is possible to improve deposition efficiency and reduce powder/gas waste in these processes, while also allowing for improved coating density. Furthermore, the research done in this thesis will also focus on novel applications to powder spray manufacturing methods, focusing on polymer metallization and part identification.
■590 ▼aSchool code: 0183.
■650 4▼aCold.
■650 4▼aRandom access memory.
■650 4▼aMetal forming.
■650 4▼aPrinted circuit boards.
■650 4▼aProtective coatings.
■650 4▼aAluminum.
■650 4▼aEnergy.
■650 4▼aScanning electron microscopy.
■650 4▼aRobotics.
■650 4▼aPolymers.
■650 4▼aRaw materials.
■650 4▼aViscosity.
■650 4▼aFourier transforms.
■650 4▼aPower.
■650 4▼aComputer aided design--CAD.
■650 4▼aSpray painting.
■650 4▼aAnalytical chemistry.
■650 4▼aDesign.
■650 4▼aElectrical engineering.
■650 4▼aIndustrial engineering.
■650 4▼aMaterials science.
■650 4▼aMathematics.
■650 4▼aPolymer chemistry.
■690 ▼a0771
■690 ▼a0791
■690 ▼a0486
■690 ▼a0389
■690 ▼a0544
■690 ▼a0546
■690 ▼a0794
■690 ▼a0405
■690 ▼a0495
■71020▼aPurdue University.
■7730 ▼tDissertations Abstracts International▼g86-04A.
■790 ▼a0183
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164312▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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