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2008, vol. 7, br. 3, str. 3-8
Influence of initial die-casting die temperature to the failures and crack formation
(naslov ne postoji na srpskom)
aFaculty of Natural Sciences and Engineering, University of Ljubljana, Slovenia
bFaculty of Mechanical Engineering, University of Ljubljana, Slovenia
cACRONI d.o.o., Jesenice, Slovenia
Ključne reči: die-casting; temperature field; surface; aluminium alloy; failure analysis
Sažetak
(ne postoji na srpskom)
Die-casting is the most cost efficient and technical easy method of casting sophisticated and accurate aluminium alloys parts in great-scale series. Die-castings require little machining prior the final installation. In engineering praxis die-casting dies for casting of aluminium alloys fail because of a great number of different and simultaneously operating factors. Material selection, die design, and thermal stress fatigue generated by the cyclic working process, as well as to low and inhomogeneous initial die temperature contribute to the failures and cracks formation on/in dies. In the frame of the presented investigation the intensity and homogeneity of the temperature fields on the working surface of the testing die were checked through thermo graphic measurements, and failures and cracks on the working surface of the die were analyzed with non-destructive examination methods.
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jezik rada: engleski
vrsta rada: izvorni naučni članak
objavljen u SCIndeksu: 20.10.2008.

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