Primjena niskotemperaturnog aluminiziranja kod čelika za topli rad

Matijević, Božidar (2012) Primjena niskotemperaturnog aluminiziranja kod čelika za topli rad. = Application of low temperature aluminizing on hot work tool steels. In: Međunarodno savjetovanje Toplinska obrada i inženjerstvo površina - europske mogućnosti hrvatskog gospodarstva, 11.05.2012., Rijeka, Republika Hrvatska.

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During die-casting of aluminium components, tool parts are exposed to a complex combination of different wear mechanisms, such as thermal fatigue, erosion and reactive soldering of the die surfaces. As a result, this causes damage and severely reduces the durability of tools, thus increasing tools maintenance costs. For increased resistance to reaction soldering, different methods of thermo-chemical surface modification techniques (such as nitriding or vanadising) or different processes of coatings may be applied. In this paper, the possibility of using low-temperature, low-potential aluminizing with subsequent oxidation of aluminized hot work tool steel surface has been explored. In this case, formation of stable and compact aluminium oixide (Al2O3) layer is what prevents direct contact of molten metal with the base die alloy, making it resistant (to some extent) to reaction soldering.

Item Type: Conference or Workshop Item (Lecture)
Uncontrolled Keywords: aluminiziranje, reaktivno nataljenje, erosija, tlačni lijev
Keywords (Croatian): aluminising, reactive soldering, erosion, die casting
Subjects: TECHNICAL SCIENCE > Chemical engineering
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1020 Chair of Heat Treatment and Surface Engineering
Date Deposited: 21 Sep 2016 06:51
Last Modified: 21 Sep 2016 06:51

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