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Določitev primerne metode za preverjanje kakovosti zvarnih spojev pri laserskem varjenju električnih kontaktov : magistrsko delo magistrskega študijskega programa II. stopnje StrojništvoČotar, RobiZaključna naloga obravnava določevanje najprimernejše metode za preverjanje kakovosti zvarnih spojev električnih kontaktov iz bakrove zlitine CuCrSiTi. Medsebojno jih spajamo s postopkom laserskega ... varjenja. Pogoj pri določanju preizkuševalne metode je enostavnost, izvedljivost v čimkrajšem času, poleg tega pa mora dajati zanesljive rezultate. V eksperimentalnem delu smo opravili preizkuse kakovosti zvarnih spojev z različnimi metodami, primernimi za uporabo v proizvodnem procesu. Preverjanje kakovosti smo najprej izvedli z vizualno kamero takoj po operaciji varjenja. Sledil je natančnejši vizualni pregled z digitalnim mikroskopom in programsko opremo na osebnem računalniku. Na vizualno preverjenih vzorcih smo nato z izvlečnim preizkusom merili izvlečno silo, ki je potrebna za porušitev zvarnega spoja. Nazadnje pa smo na podlagi metalografskih prerezov merili potek mikrotrdote vzdolž zavarjenih kontaktov. Ugotovili smo, da z uporabo digitalnega mikroskopa za vizualno kontrolo povečamo zanesljivost preverjanja kakovosti v primerjavi z uporabo vizualne kamere, kar so potrdile meritve mikrotrdote. Izvlečni preizkus pa se je za preizkušanje kakovosti izkazal kot neprimeren, saj vizualna ustreznost zvarnih spojev ne vpliva na velikost izmerjene izvlečne sile.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [R. Čotar], 2019Language - slovenianCOBISS.SI-ID - 16967195
Author
Čotar, Robi
Other authors
Klobčar, Damjan
Topics
magistrske naloge |
lasersko varjenje |
bakrove zlitine |
vizualna kontrola |
izvlečni preizkus |
mikrotrdota |
laser beam welding |
copper alloys |
visual testing |
wire pull test |
microhardness
Library | Call number – location, accession no. ... | Copy status |
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Faculty of Mechanical Engineering, Lj. | MAG 704 IN: 70000704 |
available - reading room |
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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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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Čotar, Robi | |
Klobčar, Damjan | 20441 |
Source: Personal bibliographies
and: SICRIS
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