Effect of annealing environment on the crack healing and mechanical properties of (Mo0.97Nb0.03)(Si0.97Al0.03)2
Effect of annealing environment on the crack healing and mechanical properties of (Mo0.97Nb0.03)(Si0.97Al0.03)2
复制标题
退火环境对(Mo0.97Nb0.03)(Si0.97Al0.03)2裂纹愈合及力学性能的影响
DOI:
10.1016/j.jallcom.2015.02.072
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发表时间:
2015-06
影响因子:
6.2
通讯作者:
Farid Akhtar
中科院分区:
文献类型:
--
作者:
Xiaohong Wang;Zhi Sun;Peizhong Feng;Farid Akhtar
Crack healing of Nb and Al alloyed MoSi2notched ceramics had been investigated during thermal treatment from 900 to 1500 °C in air, vacuum, argon and nitrogen environments. Notched (Mo0.97Nb0.03)(Si0.97Al0.03)2ceramics showed significant recovery of bending strength after heat treatment in air. Bending strength recovery of 250% was found after heat treatment in air at 1200 °C. Oxide layer formation healed the cracks during annealing in air. Re-sintering was found dominant mechanism of crack healing during annealing in vacuum, argon and nitrogen atmosphere. Bending strength recovery of 208% was found after heat treatment in vacuum at 1200 °C.
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DOI:
10.1016/s0955-2219(03)00221-8
发表时间:
2004
期刊:
--
影响因子:
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作者:
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通讯作者:
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DOI:
10.1111/j.1460-2695.2004.00785.x
发表时间:
2004-07-01
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