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THE EFFECT OF ADDMIXED AL ON CORROSION RESISTANCE OF HIGH COPPER DENTAL AMALGAM | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 13, Issue 4, 2013, Pages 759-768 | ||
| Author | ||
| Dr. Haydar Hassan Jaber | ||
| Abstract | ||
| The purpose of this study is to investigate the effect of Al additions on corrosion resistance of high copper dental amalgam. Al addition is added in different percentages of ( 0.5, 1, 1.5, 2, 2.5 wt% ). The specimens were prepared according to ADA specification No. 1. The specimens have been stored at 37±1 Cº using glass chamber prepared for this purpose. The corrosion test has been carried out according to ASTM standard ( G5 – 87) and at37±1 Cº. Aluminum addition with mentioned percentages led to form weak passive layer, there is no improvement in corrosion resistance was found. Vickers hardness has been measured after one month from the end of trituration, and it found that the highest hardness value was of the highest aluminum content amalgam | ||
| Keywords | ||
| dental amalgam; corrosion resistance; high copper; addmixed Al | ||
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