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Corrosion characterization and ion release in SLM-manufactured and wrought Ti6Al4V alloy in an oral environment
Mirjam Bajt Leban, Tadeja Kosec, Matjaž Finšgar, 2022, izvirni znanstveni članek

Povzetek: As-produced and heat-treated TiAlV samples were prepared by selective laser melting and compared to wrought samples of identical chemical composition. Microstructural, corrosion, and spectroscopic studies of additively manufactured samples in artificial saliva at 37 °C, with NaF and at pH 2.3 were as a novelty combined with metal ion release during 42 days immersion. In artificial saliva higher amount of ions was released on SLM specimen when compared to wrought alloy. The total amount of ions released from SLM specimen in AS containing NaF was 10-times higher than in AS, while in AS with lactic acid it was 100-times higher.
Ključne besede: Ti6Al4V, SLM, corrosion, ion release, XPS, ToF-SIMS
Objavljeno v DiRROS: 31.05.2023; Ogledov: 17; Prenosov: 17
.pdf Celotno besedilo (15,86 MB)
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Influence of drying temperature on properties of wood surfaces
Milan Šernek, 2002, izvirni znanstveni članek

Povzetek: This article deals with modifications of wood surface properties induced by different drying temperatures. The aim of the study was chemical and physical characterization of a wood surface concerning low and high temperature exposure. Additionally, the correlation between the chemical composition of a wood surface and its wetting capacity were investigated. X-ray photoelectron spectroscopy and contact angle measurements were conducted. Two wood species, yellow poplar (Liriodendron tulipifera) and southern pine (Pinus taeda) were studied. The results showed that the percentage of carbon increased with drying temperature, and consequently, the percentage of oxygen decreased. The samples exposed to high drying temperatures indicated a higher content of extractives on the wood surface. These samples exhibited the highest contact angle and the lowest wettability
Ključne besede: površina lesa, sušenje, kontaktni kot, rentgenska fotoelektronska spektroskopija, omočitev, ekstraktivne snovi, wood surface, drying, contact angle, XPS, wettability, extractives
Objavljeno v DiRROS: 12.07.2017; Ogledov: 4125; Prenosov: 1831
.pdf Celotno besedilo (932,44 KB)

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