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New powder port holder geometry to avoid lump formation in APS
University West, Department of Engineering Science, Division of Manufacturing Processes.ORCID iD: 0000-0003-2535-8132
University West, Department of Engineering Science, Division of Manufacturing Processes.ORCID iD: 0000-0003-1181-0415
2005 (English)In: 17th international symposium on plasma chemistry (ISPC 17) :: Toronto, Canada, August 7th – 12th, 2005, 2005, OP7. 1-6 p.Conference paper, Published paper (Other academic)
Abstract [en]

A new geometry of the powder port ring holder used in atmospheric plasma spraying has recently been designed to avoid lump formation, and successfully tested for a set of process parameters associated with Ni-5Al powder used in production to form bond coat [1]. But with ZrO 2 powder used to made top coat, improvements were not enough satisfactory. Here, we investigate numerically the cause of the remaining defects, and further improve the ring geometry to prevent lump from forming in any part of the coating.

Place, publisher, year, edition, pages
2005. OP7. 1-6 p.
Keyword [en]
Atmospheric plasma spraying, spraying process, coating
National Category
Materials Engineering Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering; Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-1880OAI: oai:DiVA.org:hv-1880DiVA: diva2:275200
Conference
IPSC 17
Available from: 2009-11-04 Created: 2009-11-04 Last updated: 2016-02-11Bibliographically approved

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