An Analysis of Intermetallic Bonding between a Ring Carrier and an Aluminum Piston Alloy |
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Authors: | Sre?ko Manasijevi? Natalija Doli? Zdenka Zovko Brodarac Mile Djurdjevi? Radomir Radi?a |
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Affiliation: | 1. LOLA Institute, Belgrade, Serbia 2. Faculty of Metallurgy, University of Zagreb, Sisak, Croatia 3. Nemak Europe, Linz, Austria
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Abstract: | This paper presents the results of an analysis of the formation of an intermetallic bond between a ring carrier and an aluminum piston alloy. The ring carrier is made of austenitic cast iron (Ni-Resist) to increase the wear resistance of the first ring groove and is applied in highly loaded diesel engines. The most important thing is that the Ni-Resist (ferrous) must be bonded with a non-ferrous piston material during the casting of the piston. A metallographic investigation using an optical microscope in combination with the SEM/EDS analysis of the quality of the intermetallic bonding layer was done. The test results show that if the proper conditions are met, then the preparation of the ring carrier can be made successfully, as can the formation of the metal connection between the two materials of different qualities. |
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