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Effect of Compacting Pressure on Fracture Strength in Advanced Ceramics | ||
| Engineering and Technology Journal | ||
| Volume 24, Issue 4, April 2005, Pages 171-182 PDF (1.67 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.30684/etj.24.4.12 | ||
| Author | ||
| Jinan Satar khashan | ||
| Department of Production and Metallurgical Engineering University of Technology | ||
| Abstract | ||
| Abstract Zirconia ceramics are considered one of the most important types of advanced ceramics because of their good mechanical properties caused by toughening mechanisms that happened in this ceramics materials . This work include the studying of the effect of addition 60wt % Al , 0 , to the 5.4wt % Y₂Or - ZrO₂ system . Powder technology were used to present the samples by using compacting pressures 190 , 255 , 318 , 381 and 466MPa and sintering temperature of 1350 , 1450 , 1550 , and 1650 ° C . The addition of Al - 03 caused an enhancing the fracture strength . The increasing in compacting pressure leads to enhanced fracture strength and then it began to decrease the same effect happened with increasing the sintering temperature . For density values , increasing sintering temperature lead to increasing in density value , but when the compacting pressure increasethat leads to increase the density and then the value decrease because of lamination effect . | ||
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