{"?xml":{"@version":"1.0"},"edm:RDF":{"@xmlns:dc":"http://purl.org/dc/elements/1.1/","@xmlns:edm":"http://www.europeana.eu/schemas/edm/","@xmlns:wgs84_pos":"http://www.w3.org/2003/01/geo/wgs84_pos","@xmlns:foaf":"http://xmlns.com/foaf/0.1/","@xmlns:rdaGr2":"http://rdvocab.info/ElementsGr2","@xmlns:oai":"http://www.openarchives.org/OAI/2.0/","@xmlns:owl":"http://www.w3.org/2002/07/owl#","@xmlns:rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#","@xmlns:ore":"http://www.openarchives.org/ore/terms/","@xmlns:skos":"http://www.w3.org/2004/02/skos/core#","@xmlns:dcterms":"http://purl.org/dc/terms/","edm:WebResource":[{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-DMMY3YFN/f7fb83bd-5938-4530-82d3-19d728b9b060/HTML","dcterms:extent":"27 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-DMMY3YFN/6f8cbafc-8589-4fd6-a6bd-085fdcd8e4b7/PDF","dcterms:extent":"778 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-DMMY3YFN/dac33983-e8cb-4da2-a833-a6e704d72d95/TEXT","dcterms:extent":"20 KB"}],"edm:TimeSpan":{"@rdf:about":"2000-2024","edm:begin":{"@xml:lang":"en","#text":"2000"},"edm:end":{"@xml:lang":"en","#text":"2024"}},"edm:ProvidedCHO":{"@rdf:about":"URN:NBN:SI:DOC-DMMY3YFN","dcterms:isPartOf":[{"@rdf:resource":"https://www.dlib.si/details/urn:nbn:si:spr-ihg6vo21"},{"@xml:lang":"sl","#text":"Materiali in tehnologije"}],"dcterms:issued":"2011","dc:creator":"Donik, Črtomir","dc:format":[{"@xml:lang":"sl","#text":"številka:4"},{"@xml:lang":"sl","#text":"letnik:45"},{"@xml:lang":"sl","#text":"str. 329-333"}],"dc:identifier":["ISSN:1580-2949","COBISSID:866218","URN:URN:NBN:SI:doc-DMMY3YFN"],"dc:language":"en","dc:publisher":{"@xml:lang":"sl","#text":"Inštitut za kovinske materiale in tehnologije"},"dc:subject":[{"@xml:lang":"sl","#text":"dupleksno nerjavno jeklo"},{"@xml:lang":"sl","#text":"dušikova kislina"},{"@xml:lang":"sl","#text":"fluorovodikova kislina"},{"@xml:lang":"sl","#text":"luženje"},{"@xml:lang":"sl","#text":"oksidne plasti"},{"@rdf:resource":"http://www.wikidata.org/entity/Q83320"}],"dcterms:temporal":{"@rdf:resource":"2000-2024"},"dc:title":{"@xml:lang":"sl","#text":"Surface characterization and pickling characteristics of the oxide scale on duplex stainless steel| Površinska karakterizacija in lastnosti luženja oksidne plasti na dupleksnem nerjavnem jeklu|"},"dc:description":[{"@xml:lang":"sl","#text":"Mixtures of hydrofluoric (HFsub(aq)) and nitric acids (HNOsub3) used for the pickling of stainless steels to remove thick oxide scale generate waste liquids with a high HF concentration. The oxide formation during production annealing and the subsequent pickling response in mixed acids have been studied. A cost reduction and a procedure optimization can be achieved by the use of the proper concentration of mixed acids and a low pickling temperature. In this work, new mixtures of both with a high pickling efficiency for solutions designed for duplex stainless steel are checked. The experiments were carried with mixtures consisting of mass fractions 0.5-4.0 % HFsub(aq) and 12.5-22.0 % HNOsub3 at room and elevated temperatures. The goal of the presented work was to determine the optimal pickling time with respect to the temperature and the acid mixture concentration"},{"@xml:lang":"sl","#text":"Mešanice fluorovodikove in dušikove(V) kisline z visoko koncentracijo fluorovodikove kisline se uporablja za luženje nerjavnega jekla, ko po žarjenju ostanejo na površini visokotemperaturni oksidi. Raziskovali smo tvorjenje visokotemperaturnih oksidov pri žarjenju in posledično vpliv kislinskih mešanic pri odstranjevanju le-teh. Z optimizacijo postopkov uporabe kislinskih mešanic in procesov, povezanih s tem, ter uporabo najprimernejše mešanice pri najnižji temperaturi lahko zelo zmanjšamo stroške, povezane s končno pripravo nerjavnih jekel. V predstavljenem delu smo preiskovali, kako in katere kislinske mešanice fluorovodikove (HFspodaj(aq)) in dušikove(V) kisline (HNOspodaj3) so najugodnejše za luženje dupleksnih nerjavnih jekel. Preiskave smo naredili pri mešanicah 0.5-4.0 % HFspodaj(aq) in 12.5-22.0 % HNOspodaj3 pri sobni in povišanih temperaturah. Cilj predstavljenega dela je bila povezava med sestavo oksidne plasti na površini DSS 2205 in hitrostjo odstranjevanja le-te v povezavi s temperaturo in sestavo kislinske mešanice za optimalno dekapirno raztopino"}],"edm:type":"TEXT","dc:type":[{"@xml:lang":"sl","#text":"znanstveno časopisje"},{"@xml:lang":"en","#text":"journals"},{"@rdf:resource":"http://www.wikidata.org/entity/Q361785"}]},"ore:Aggregation":{"@rdf:about":"http://www.dlib.si/?URN=URN:NBN:SI:DOC-DMMY3YFN","edm:aggregatedCHO":{"@rdf:resource":"URN:NBN:SI:DOC-DMMY3YFN"},"edm:isShownBy":{"@rdf:resource":"http://www.dlib.si/stream/URN:NBN:SI:DOC-DMMY3YFN/6f8cbafc-8589-4fd6-a6bd-085fdcd8e4b7/PDF"},"edm:rights":{"@rdf:resource":"http://rightsstatements.org/vocab/InC/1.0/"},"edm:provider":"Slovenian National E-content Aggregator","edm:intermediateProvider":{"@xml:lang":"en","#text":"National and University Library of Slovenia"},"edm:dataProvider":{"@xml:lang":"sl","#text":"Inštitut za kovinske materiale in tehnologije"},"edm:object":{"@rdf:resource":"http://www.dlib.si/streamdb/URN:NBN:SI:DOC-DMMY3YFN/maxi/edm"},"edm:isShownAt":{"@rdf:resource":"http://www.dlib.si/details/URN:NBN:SI:DOC-DMMY3YFN"}}}}