Manufacturing of cast-metal sponges from copper alloys

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dc.contributor.authorMerta, Václav
dc.contributor.authorLána, Ivo
dc.date.accessioned2020-06-24T10:57:44Z
dc.date.available2020-06-24T10:57:44Z
dc.date.issued2020
dc.description.abstractThe paper deals with the topic of manufacturing metal sponges from copper alloys using a special foundry technology of "a two-stage investment-casting process using an evaporative polyurethane (PUR) pattern". Particular attention is paid to the study of castability as a technological characteristic, which is a limiting factor for the production of such castings. The castability of the CuSn12 copper alloy was observed in various production-process conditions (pouring temperature, mould temperature) with the aim to find dependence trends and set the optimal conditions of the manufacturing process. From the results, it is obvious that the crucial factor influencing the castability is the mould temperature, although the pouring temperature also has a smallish influence on it.cs
dc.description.abstract-enV članku avtorji opisujejo izdelavo kovinskih pen iz bakrovih zlitin z uporabo posebne livarske tehnologije t.i. dvostopenjskega precizijskega litja, ki uporablja postopek izparevanja poliuretana (PUR). Posebno pozornost so avtorji posvetili študiju livnosti, ki kot tehnološka lastnost omejuje izdelavo takšnih ulitkov. Livnost bakrove zlitine CuSn12 so opazovali pri različnih procesnih pogojih (temperaturi litja, temperaturi modela oz. forme) z namenom, da bi ugotovili odvisnostne tendence in ugotovili optimalne pogoje proizvodnega postopka. Iz rezultatov opazovanj oz. preizkusov je očitno, da je temperatura modela odločilen faktor, ki vpliva na livnost, čeprav ima nanjo določen vendar relativno majhen vpliv tudi temperatura litja.cs
dc.description.firstpage117cs
dc.description.issue1cs
dc.description.lastpage119cs
dc.description.sourceWeb of Sciencecs
dc.description.volume54cs
dc.identifier.citationMateriali in Tehnologije. 2020, vol. 54, issue 1, p. 117-119.cs
dc.identifier.doi10.17222/mit.2019.159
dc.identifier.issn1580-2949
dc.identifier.issn1580-3414
dc.identifier.urihttp://hdl.handle.net/10084/139571
dc.identifier.wos000536656900017
dc.language.isoencs
dc.publisherInštitut za kovinske materiale in tehnologijecs
dc.relation.ispartofseriesMateriali in Tehnologijecs
dc.relation.urihttp://doi.org/10.17222/mit.2019.159cs
dc.rights© MATERIALI IN TEHNOLOGIJEcs
dc.rightsThe journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is an open access journal, this means its free availability on the public internet, permitting any users to read, download, copy, distribute, print, search, or link to the full texts of these articles, crawl them for indexing, pass them as data to software, or use them for any other non-commercial purposes, without financial, legal, or technical barriers other than those inseparable from gaining access to the internet itself.
dc.rights.accessopenAccesscs
dc.subjectmetal spongecs
dc.subjectinvestment castingcs
dc.subjectcastabilitycs
dc.titleManufacturing of cast-metal sponges from copper alloyscs
dc.title.alternativeIzdelava litih kovinskih gobic iz zlitin na osnovi bakracs
dc.typearticlecs
dc.type.statusPeer-reviewedcs
dc.type.versionpublishedVersioncs

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