Institute of Metals and Technology, Ljubljana (IMTLJ)
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Razvoj visokotrdnih jekel = The development of high strength steelsKmetič, Dimitrij ...Na področju uporabe konstrukcijskih jekel se zahteva vedno višja trdnost jekla. Visokotrdna jekla imajo majhno vsebnost legirnih elementov, pri višjih mehanskih lastnostih pa se dobro hladno ... preoblikujejo in dobro varijo. Vzrok za njihovo uporabnost je zmanjšanje stroškov zaradi boljših mehanskih lastnosti in zmanjšanje teže konstrukcij. Pločevine in profili se termomehansko valjajo, za višje natezne trdnosti (nad 900 N/mm[sup]2) pa se kalijo in popuščajo (samopopuščajo). Namen raziskav je bil z eno toplotno obdelavo doseči čim višjo napetost tečenja in natezno trdnost jekla pri dobri žilavosti. Preiskave smo naredili na jeklu MICRAL 690. Mehanske lastnosti jekla so odvisne od mikrostrukturnih značilnosti. Z dilatometrskimi preiskavami smo za različne ohlajevalne hitrosti opredelili premenske temperature. Na osnovi teh preiskav smo pri različnih pogojih kaljenja in popuščanja opredelili mikrostrukturne značilnosti in mehanske lastnosti jekla. Parametre varjenja smo opredelili za dodajni material varilno žico MIG 75 v zaščitnem plinu M21 za varjenje brez predgrevanja. Merili smo temperaturo t[sub]8/5 in na zvarjenih spojih opravili neporušitvene, metalografske in mehanske preiskave.Source: Program in knjiga povzetkov = Program and book of abstracts (Str. 107)Type of material - conference contributionPublish date - 2007Language - slovenian, englishCOBISS.SI-ID - 34768
Author
Kmetič, Dimitrij |
Celin, Roman |
Vojvodič-Tuma, Jelena |
Arzenšek, Boris |
Bricelj, Erika |
Ažman, Slavko |
Kunšič, Marjan |
Kosec, Gorazd |
Šolar, Mojca
Topics
varjenje |
konstrukcijska jekla
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Kmetič, Dimitrij | 04982 |
Celin, Roman | 17161 |
Vojvodič-Tuma, Jelena | 09788 |
Arzenšek, Boris | 08236 |
Bricelj, Erika | 04394 |
Ažman, Slavko | 01439 |
Kunšič, Marjan | 13191 |
Kosec, Gorazd | 23593 |
Šolar, Mojca | 11990 |
Source: Personal bibliographies
and: SICRIS
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