production of al2o3–sic nano-composites by spark plasma sintering

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ID: 178967
2017
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Abstract
In this paper, Al2O3–SiC composites were produced by SPS at temperatures of 1600 °C for 10 min under vacuum atmosphere. For preparing samples, Al2O3 with the second phase including of micro and nano-sized SiC powder were milled for 5 h. The milled powders were sintered in a SPS machine. After sintering process, phase studies, densification and mechanical properties of Al2O3–SiC composites were examined. Results showed that the specimens containing micro-sized SiC have an important effect on bulk density, hardness and strength. The highest relative density, hardness and strength were 99.7%, 324.6 HV and 2329 MPa, respectively, in Al2O3–20 wt% SiCmicro composite. Due to short time sintering, the growth was limited and grains still remained in nano-meter scale.
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razavi2017boletnproduction Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mansour Razavi, Ali Reza Farajipour, Mohammad Zakeri, Mohammad Reza Rahimipour, Ali Reza Firouzbakht
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Journal medicinal chemistry (shariqah (united arab emirates))
Year 2017
DOI
10.1016/j.bsecv.2017.01.002
URL
http://www.sciencedirect.com/science/article/pii/S0366317517300171
Keywords
hardness xrd strength density sps sintering glass Ceramics

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