diplomsko delo Visokošolskega strokovnega študijskega programa I. stopnje Strojništvo
Bojan Tomšič (Author), Damjan Klobčar (Mentor)

Abstract

Dodajalne tehnologije so vse bolj razširjene zaradi svojih prednosti, saj omogočajo izdelavo kompleksnih oblik izdelkov. Postopek je v veliko primerih hitrejši od konvencionalnih postopkov obdelave izdelkov ter z njim zmanjšamo stroške odpadnega materiala. Aluminijeve zlitine so začele zaradi svojih mehanskih lastnosti vse bolj nadomeščati jeklo in ostale materiale, saj omogočajo dobro razmerje med trdnostjo in težo. V diplomski nalogi je predstavljena raziskava navarjanja aluminijeve zlitine AlSi5 s postopkom navarjanja MIG. Preučeni so varilni parametri, ki najbolj vplivajo na kakovost navarjenega izdelka pri navarjanju v obliki sten in zaključenih navarov. Prav tako so preučeni tudi vplivi prvega navara, začetkov navarjanja in prehodov navarov na višjo plast izdelka. Na podlagi ugotovljenih optimalnih parametrov je bil navarjen končni izdelek. Kot rezultat dela je dokazano, da je neprekinjeno navarjanje aluminijeve zlitine AlSi5 po postopku MIG uspešno, ob tem pa so z vzorci potrjeni izbrani optimalni parametri navarjanja. Dokazan je tudi vpliv visoke toplotne prevodnosti AlSi5. Preizkušene so delne rešitve za zmanjšanje vpliva te lastnosti materiala na navarjanje.

Keywords

diplomske naloge;dodajalne tehnologije;aluminijeve zlitine;AlSi5;WAAM;aluminij;MIG;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FS - Faculty of Mechanical Engineering
Publisher: [B.Tomšič]
UDC: 621.791.75:669.715(043.2)
COBISS: 16329755 Link will open in a new window
Views: 777
Downloads: 248
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Other data

Secondary language: English
Secondary title: Wire and arc additive manufacturing of aluminium alloys AlSi5
Secondary abstract: Additve manufacturing technologies are becoming increasingly widespread due to their advantages, as they enable the production of complex forms of products and in many cases the process is faster than conventional processes. They also reduce the cost of material waste. Aluminum alloys are increasingy replacing steel and other materials due to their mechanical properties as they have good strenght to weight ratio. In this diploma thesis the development of additive manufacturing of aluminium alloy AlSi5 with the MIG process is presented. This thesis is a study of welding parameters, which have the greatest influence on the quality of the manufactured walls and circle closed shapes. It also contain the research of influences of the first layer, the beginnings of weld and shifts on higher layer level. Result of this research is the final product, which is made with the most suitable welding parameters. This research confirms possibility of continuous additive manufacturing of aluminium alloy AlSi5 with MIG welding technology and also the selected optimal parameters. The influence of high thermal conductivity of AlSi5 for additive manufacturing was also proven and partial solutions to resolve this issue were tested.
Secondary keywords: additive manufacturing;aluminium alloys;AlSi5;WAAM;aluminium;MIG;
Type (COBISS): Bachelor thesis/paper
Study programme: 0
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za strojništvo
Pages: XXII, 56 str.
ID: 10956714
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