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PREPARED THIXOFOROMED ALUMINUM ALLOYS BY HIGH-PRESSURE CAST AND STUDY THEIR WEAR PROPERTIE | ||
| DIYALA JOURNAL OF ENGINEERING SCIENCES | ||
| Article 5, Volume 3, Issue 2, 2010, Pages 25-38 PDF (0 K) | ||
| Author | ||
| Aqeel Ali Kadhim AL-Attar | ||
| Abstract | ||
| Hypereutectic Al-Si casting alloys are attractive candidates for connecting rod applications in compressors. Several hypo- and hypereutectic Al-Si alloys were produced by pressure die casting and thixoforming in this search. Hypereutectic Al—Si alloys were less than the near-eutectic and hypoeutectic alloys under the sever were conditions encountered in compressors, confirming the impact of Si on were resistance. Cu also improves were properties. The thixoformed alloys were at comparable rates with pressure die cast alloys at lower Si levels, implying that the lower Si content of the former is compensated for by the thixoforming processing route. Hypereutectic composition, uniform dispersion of fine Si particles and thixoforming as the production route are all good for a superior wear performance, However, does not translate into a sizable improvement in wear resistance of the thixoformed alloys. | ||
| Keywords | ||
| Thixoforming; Aluminum alloys casting; Sliding wear | ||
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