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Comparison of the mechanical properties of hardfacings made by standard coated stick electrodes and a newly developed rectangular stick electrode [Elektronski vir]Bjelajac, Edvard ...Cladding with a stick electrode is one of the oldest arc processes for adding a deposit on a base material. The process is suitable for outdoor working, but the disadvantages are low productivity and ... large dilution rates. In this work, a simple solution is proposed, which would enable cladding of a larger area with one pass and decrease the dilution rate at the same time—a new type of electrode was developed, exhibiting a rectangular cross-section instead of a round one. Hardfacings, welded with E Fe8 electrodes according to EN 14 700 Standard were welded on mild steel S355 J2 base material with three different coated stick electrodes. The first one was a commercially available, standard, round hardfacing electrode, the second was the same, but with a thinner coating, and the third one was a newly developed rectangular electrode. All three types had equal cross-sections of the metallic core and the same type of coating. Manufacturing of the rectangular electrodes in the laboratory is explained briefly. One- and multi-layer deposits were welded with all three types. Differences were observed in the arc behavior between the round and rectangular electrodes. With the rectangular electrode, the microstructure of the deposit was finer, penetration was shallower, and dilution rates were lower, while the hardness was higher, residual stresses predominantly compressive, and the results of instrumented Charpy impact tests and fracture mechanics tests were better.Vir: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 17, iss. 9, [article no.] 2051, April 2024, 22 str.)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2024Jezik - angleškiCOBISS.SI-ID - 195422979
Avtor
Bjelajac, Edvard |
Skumavc, Andrej |
Lojen, Gorazd |
Manjgo, Mirza |
Vuherer, Tomaž
Teme
navarjanje |
hitrost redčenja |
trdota |
udarna žilavost po Charpyju |
zaostale napetosti |
lomna žilavost |
hardfacing |
dilution rate |
hardness |
Charpy impact toughness |
residual stress |
fracture toughness
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Avtor | Bjelajac, Edvard ... |
Naslov | Comparison of the mechanical properties of hardfacings made by standard coated stick electrodes and a newly developed rectangular stick electrode [Elektronski vir] |
Datum objave | 2024-04-27 |
COBISS.SI-ID | 195422979 |
Verzija objave v repozitoriju | Založnikova različica |
Licenca objave v repozitoriju | Creative Commons Priznanje avtorstva 4.0 Mednarodna |
Embargo | Takojšnja javna objava |
Projekti, iz katerih je bila financirana objava
Naziv | Akronim | Številka projekta | Financer |
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Tehnologije metastabilnih materialov | P2-0120-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Stroški objave
Vrsta stroška | Skupni stroški | Plačila |
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APC – strošek objave članka | 2678.02 € |
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Bjelajac, Edvard | 39454 |
Skumavc, Andrej | 34420 |
Lojen, Gorazd | 11951 |
Manjgo, Mirza | 40891 |
Vuherer, Tomaž | 15682 |
Vir: Osebne bibliografije
in: SICRIS
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