INVESTIGATION ON MICROSTRUCTURE, MECHANICAL PROPERTIES AND PRESSURELESS SINTERING BEHAVIOR OF ZRB2-SICNANO/MICRON COMPOSITES TOUGHENED BY ALN

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NASIRI ZEYNAB; MASHHADI MEHDI

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Journal: JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES Year:2017 | Volume:6 | Issue:3 Page(s): 41-50

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Information Journal Paper

Title

INVESTIGATION ON MICROSTRUCTURE, MECHANICAL PROPERTIES AND PRESSURELESS SINTERING BEHAVIOR OF ZRB2-SICNANO/MICRON COMPOSITES TOUGHENED BY ALN

Author(s)

NASIRI ZEYNAB | MASHHADI MEHDI | Issue Writer Certificate

Keywords

ULTRA HIGH TEMPERATURE CERAMICSQ2

ZRB2-SICNANO/MICRON COMPOSITESQ1

PRESSURELESS SINTERINGQ2

MECHANICAL PROPERTIESQ2

Abstract

In the present paper, ZrB2-SiC nanocomposite was developed by PRESSURELESS SINTERING method. Micro sized AlN powder and SiC powderes at nano and micro-sized scale were used as additive. In order to produce composite samples, the primary powders were milled and blended in planetary ball mill apparatus with rotational speed of 200rpm and then processed using hot pressing (80oC and 100MPa), cold isostatic press and sintering at 2150oC. The values of relative density and porosity of samples were measured to evaluate the effect of presence of micro-sized SiC and SiC nano particles simultaneously on the PRESSURELESS SINTERING behavior of ZrB2-SiC. In order to compare the microstructure and MECHANICAL PROPERTIES of samples Scanning Electron microscopy (SEM), equipped with EDS spectroscopy, XRD analysis, hardness and toughness tests were used. The results show that as the volume percentage of nano SiC decreases to 15 vol.% and AlN increases to 7.5 vol.% the hardness (17.1 GPa), toughness (5.7 MPa.m1/2) and relative density (98.1%) increase.

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APA: Copy

NASIRI, ZEYNAB, & MASHHADI, MEHDI. (2017). INVESTIGATION ON MICROSTRUCTURE, MECHANICAL PROPERTIES AND PRESSURELESS SINTERING BEHAVIOR OF ZRB₂-SICNANO/MICRON COMPOSITES TOUGHENED BY ALN. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, 6(3 ), 41-50. SID. https://sid.ir/paper/252421/en

Vancouver: Copy

NASIRI ZEYNAB, MASHHADI MEHDI. INVESTIGATION ON MICROSTRUCTURE, MECHANICAL PROPERTIES AND PRESSURELESS SINTERING BEHAVIOR OF ZRB₂-SICNANO/MICRON COMPOSITES TOUGHENED BY ALN. JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES[Internet]. 2017;6(3 ):41-50. Available from: https://sid.ir/paper/252421/en

IEEE: Copy

ZEYNAB NASIRI, and MEHDI MASHHADI, “INVESTIGATION ON MICROSTRUCTURE, MECHANICAL PROPERTIES AND PRESSURELESS SINTERING BEHAVIOR OF ZRB₂-SICNANO/MICRON COMPOSITES TOUGHENED BY ALN,” JOURNAL OF ADVANCED MATERIALS AND TECHNOLOGIES, vol. 6, no. 3 , pp. 41–50, 2017, [Online]. Available: https://sid.ir/paper/252421/en

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