{"?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-1LUCK0FN/1a39c399-50dc-4b39-9441-21116e870773/PDF","dcterms:extent":"1082 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-1LUCK0FN/47aecd07-8b9f-4535-bc35-7692a7783ba5/TEXT","dcterms:extent":"19 KB"}],"edm:TimeSpan":{"@rdf:about":"1999-2025","edm:begin":{"@xml:lang":"en","#text":"1999"},"edm:end":{"@xml:lang":"en","#text":"2025"}},"edm:ProvidedCHO":{"@rdf:about":"URN:NBN:SI:DOC-1LUCK0FN","edm:isNextInSequence":{"@rdf:resource":"https://www.dlib.si/details/URN:NBN:SI:doc-4FFGKPN8"},"dcterms:isPartOf":[{"@rdf:resource":"https://www.dlib.si/details/URN:NBN:SI:spr-6QOUKQ9A"},{"@xml:lang":"sl","#text":"Strojniški vestnik"}],"dcterms:issued":"2015","dc:creator":"Giuliano, Gillo","dc:format":[{"@xml:lang":"sl","#text":"številka:12"},{"@xml:lang":"sl","#text":"letnik:61"},{"@xml:lang":"sl","#text":"str. 709-713, SI 129"}],"dc:identifier":["ISSN:0039-2480","COBISSID:14390811","URN:URN:NBN:SI:doc-1LUCK0FN"],"dc:language":"en","dc:publisher":{"@xml:lang":"sl","#text":"Zveza strojnih inženirjev in tehnikov Slovenije et al."},"dc:subject":[{"@xml:lang":"sl","#text":"Erichsenov test"},{"@xml:lang":"en","#text":"finite element method"},{"@xml:lang":"sl","#text":"koeficient Coulombovega trenja"},{"@xml:lang":"sl","#text":"metoda končnih elementov"},{"@xml:lang":"sl","#text":"pločevina DC05"},{"@xml:lang":"sl","#text":"preoblikovanje pločevine"},{"@xml:lang":"sl","#text":"togo-plastično vedenje"}],"dcterms:temporal":{"@rdf:resource":"1999-2025"},"dc:title":{"@xml:lang":"sl","#text":"Evaluation of the Coulomb friction coefficient in DC05 sheet metal forming|"},"dc:description":[{"@xml:lang":"sl","#text":"This paper describes the identification of the Coulomb friction coefficient for sheet metal forming using a comparison between numerical and experimental results. Using finite element method, the work examines some aspects of the Erichsen test in order to measure the interfacial friction. Preliminary results on the evaluation of a typical tool-workpiece interface are shown for a stainless steel punch vs. a DC05 sheet metal"},{"@xml:lang":"sl","#text":"Članek predstavlja analizo koeficienta Coulombovega trenja pri preoblikovanju pločevine po metodi končnih elementov in na podlagi eksperimentalnih rezultatov Erichsenovega testa. Kadarkoli je orodje med preoblikovanjem v stiku z obdelovancem, se med pločevino in orodjem pojavijo tangencialne torne sile. Trenje vpliva na tok kovine, na stroške in kakovost izdelkov ter na obrabo orodja, zato ga zmanjšujemo z uporabo maziv. Za natančno analizo procesov preoblikovanja pločevine se najpogosteje uporablja metoda končnih elementov. Analiza po metodi končnih elementov zahteva modeliranje mehanskih lastnosti kovinske pločevine ter trenja med pločevino in orodji, ki se uporabljajo v procesu preoblikovanja. V eksperimentalno-numeričnem pristopu je bil uporabljen standardni Erichsenov test za določitev koeficienta Coulombovega trenja na stiku med orodjem za prebijanje in pločevino. Nekateri vidiki Erichsenovega testa za merjenje trenja na stiku so bili preučeni po metodi končnih elementov. Med različnimi modeli trenja, ki so opisani v literaturi, je Coulombov model najprimernejši za postopek hladnega preoblikovanja, kjer je pločevina v intenzivni interakciji z orodjem. Za izračun koeficienta trenja se uporabi Erichsenov standardni test, ki je v primerjavi z ostalimi bistveno preprostejši in obenem omogoča določitev lastnosti pločevinastega materiala"}],"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-1LUCK0FN","edm:aggregatedCHO":{"@rdf:resource":"URN:NBN:SI:DOC-1LUCK0FN"},"edm:isShownBy":{"@rdf:resource":"http://www.dlib.si/stream/URN:NBN:SI:DOC-1LUCK0FN/1a39c399-50dc-4b39-9441-21116e870773/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":"Univerza v Ljubljani, Fakulteta za strojništvo"},"edm:object":{"@rdf:resource":"http://www.dlib.si/streamdb/URN:NBN:SI:DOC-1LUCK0FN/maxi/edm"},"edm:isShownAt":{"@rdf:resource":"http://www.dlib.si/details/URN:NBN:SI:DOC-1LUCK0FN"}}}}