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Lasersko varjenje bakra in bakrovih zlitin
ID Novak, Blaž (Avtor), ID Klobčar, Damjan (Mentor) Več o mentorju... Povezava se odpre v novem oknu, ID Tušek, Janez (Komentor)

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Izvleček
Baker in njegove zlitine so v industriji, predvsem avtomobilski, ene izmed najbolj uporabljenih elementov. Njegovo pomembnost nam pove že dejstvo, da se po njem imenuje obdobje prazgodovine. Izziv pri varjenju bakra (npr. pri varjenju z IR ali zeleno svetlobo) je v tem, da ima visoko reflektivnost, visoko termično prevodnost, ter nizko prevodnost. Zaradi tega ga je izredno težko variti že z laserji, saj baker potrebuje močan vir toplote. V zaključni nalogi smo pregledati najnovejšo znanstveno literaturo na področju varjenja in varivosti bakra in njegovih zlitin. Opisani so vplivi laserske svetlobe na varivost in njeno absorptivnost, vpliv zaščitnih plinov na varivost in metalurške lastnosti zvarnega spoja. Ugotovili smo, da je za varjenje bakra in bakrovih zlitin primerno variti z kombinacijo IR in zelene svetlobe ali preprosto kar z zeleno svetlobo. Najprimernejša svetloba za varjenje bakra je modra, saj z njo dosežemo največjo absorpcijo energije

Jezik:Slovenski jezik
Ključne besede:baker, varjenje, laserji, bakrove zlitine, absorpcija, Nd:YAG, IR, zelena svetloba, modra svetloba, zvar, reflektivnost
Vrsta gradiva:Diplomsko delo/naloga
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2018
PID:20.500.12556/RUL-100778 Povezava se odpre v novem oknu
Datum objave v RUL:14.04.2018
Število ogledov:3769
Število prenosov:999
Metapodatki:XML DC-XML DC-RDF
:
NOVAK, Blaž, 2018, Lasersko varjenje bakra in bakrovih zlitin [na spletu]. Diplomsko delo. [Dostopano 31 marec 2025]. Pridobljeno s: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=slv&id=100778
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Sekundarni jezik

Jezik:Angleški jezik
Naslov:Laser welding of copper and copper alloys
Izvleček:
Copper and its alloys are in industry, especially automotive, one of the most used elements. The fact that we have called a period of prehistory after it, points its importance. The problems of copper welding are their high reflectivity, high thermal conductivity, and low absorptivity. This makes it extremely difficult to weld even with lasers, as copper needs a more powerful heat source. The purpose of this research is to review the latest scientific literature on copper. A review of laser light on the weldability of copper and copper alloy is done, as well as the influence of shielding gases on copper welding, and metallurgical effects of the weld is discussed. We found that welding copper and copper alloys is appropriate to be welded with a combination of IR and green light or simply with green light. The most appropriate light for copper welding is blue. It has the highest level of absorptivity.

Ključne besede:copper, welding, lasers, copper alloys, absorption, Nd:YAG, IR, green light, blue light, weld, reflectivity

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