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Microstructure and mechanical behavior of Cast Ti-6Al-4V with addition of boron
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-7675-7152
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-6613-7876
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-3661-9262
2012 (English)In: Central European Journal of Engineering, ISSN 1896-1541, E-ISSN 2081-9927, Vol. 2, no 3, p. 347-357Article in journal (Refereed) Published
Abstract [en]

The effect of boron (between 0.06 and 0.11 wt%) on the microstructure, hardness and compression properties of cast Ti-6Al-4V was investigated. Compression properties were examined in the temperature range from room temperature to 1000ºC. It was found that the addition of boron refines the as-cast microstructure in terms of prior beta grain size and alpha colony size. This microstructural refinement led to an increase in compressive yield strength from room temperature up to 700ºC. Three different strain rates (0.001, 0.1 and 1 s-1) were evaluated during compression testing from which it was found that the compressive yield strength decreased with decreasing strain rate from 600ºC up to the beta transus temperature.

Place, publisher, year, edition, pages
2012. Vol. 2, no 3, p. 347-357
Keywords [en]
Boron, Microstructure, Hardness, Ti-6Al-4V, Quantitative Metallography, Hot compression testing, Materials science - Construction materials
Keywords [sv]
Teknisk materialvetenskap - Konstruktionsmaterial
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-11194DOI: 10.2478/s13531-012-0004-6Scopus ID: 2-s2.0-84921474070Local ID: a1abad63-92c4-4f4a-8e2c-246cd3a12af9OAI: oai:DiVA.org:ltu-11194DiVA, id: diva2:984143
Note
Validerad; 2012; 20120314 (raggad)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Pederson, RobertGaddam, RaghuveerAntti, Marta-Lena

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