B6O materials with Al2O3/Y2O3 additives densified by FAST/SPS and HIP
B6O materials with Al2O3/Y2O3 additives densified by FAST/SPS and HIP
复制标题
通过 FAST/SPS 和 HIP 致密化的含有 Al2O3/Y2O3 添加剂的 B6O 材料
DOI:
10.1016/j.jeurceramsoc.2013.05.002
复制
发表时间:
2013
影响因子:
5.7
通讯作者:
Michaelis
中科院分区:
文献类型:
--
作者:
Thiele;Herrmann;Michaelis
Fully densified B6O materials with Al2O3/Y2O3sintering additives amounts systematically varied between 0 and 15vol.% and Al2O3/(Al2O3+Y2O3) molar ratios of 0.05–1 were prepared by FAST/SPS and HIP at sintering temperatures between 1725°C and 1900°C. Their densification and microstructure were correlated with measured mechanical properties. The addition of low additive amounts in the range of 2–3vol.% was found to increase the fracture toughness and strength from 2.0MPam1/2(SEVNB) and 420MPa for pure B6O to about 3.0MPam1/2and 540MPa, but it had no effect on the hardness, which remained at a high level of 30–36GPa (HV0.4). Higher additive contents did not yield a further improvement in the toughness but resulted in a reduction in hardness and strength.
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DOI:
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发表时间:
1996
期刊:
影响因子:
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作者:
G. S. Oleinik;T. Ostapchuk
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DOI:
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2011
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1997
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1976
期刊:
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H. Iwahara