Anisotropy and its Influence on a Metal Deposition Structure

Examensarbete för masterexamen

Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12380/152934
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dc.contributor.authorBriland, Anders
dc.contributor.departmentChalmers tekniska högskola / Institutionen för material- och tillverkningstekniksv
dc.contributor.departmentChalmers University of Technology / Department of Materials and Manufacturing Technologyen
dc.date.accessioned2019-07-03T12:46:02Z-
dc.date.available2019-07-03T12:46:02Z-
dc.date.issued2009
dc.identifier.urihttps://hdl.handle.net/20.500.12380/152934-
dc.description.abstractMetal deposition is an additive manufacturing technique with many similarities to multilayer laser welding. Volvo Aero is interested in using the method in a future rocket exhaust nozzle structure. It is then important to understand what type of material characteristics the process produces and how this will influence the mechanical response of the structure. The present work consists of two parts: (i)a material investigation including optical microscopy, x-ray and electron backscatter diffraction of laser deposited Inconel 625 and (ii) a mechanical analysis of a rocket exhaust nozzle reinforcement including design of experiments to study the influence of anisotropy on elastic deformation and structural stability. The material investigations revealed dendritic solidified columnar grains orientated in the build direction, along with evidence that the material has a texture. The mechanical analysis indicate that the stiffness in tangential direction largely controls elastic deformation and that yield strength in the same direction controls margins to structural stability. For estimated levels of material properties, the influence of anisotropy created by metal deposition is expected to decrease the level of elastic deformation and structural stability margins with 1–5 %.
dc.language.isoeng
dc.relation.ispartofseriesDiploma work - Department of Materials and Manufacturing Technology, Chalmers University of Technology : 2009 03
dc.setspec.uppsokTechnology
dc.subjectMaterialvetenskap
dc.subjectKonstruktionsmaterial
dc.subjectMaterials Science
dc.subjectConstruction materials
dc.titleAnisotropy and its Influence on a Metal Deposition Structure
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster Thesisen
dc.type.uppsokH
Collection:Examensarbeten för masterexamen // Master Theses (IMS)



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