Study on preparation and properties of molybdenum alloys reinforced by nano-sized ZrO2 particles

被引：0
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作者：
Chaopeng Cui
Yimin Gao
Shizhong Wei
Guoshang Zhang
Yucheng Zhou
Xiangwei Zhu
Songliang Guo
机构：
[1] Xi’an Jiaotong University,State Key Laboratory for Mechanical Behavior of Materials
[2] Henan University of Science and Technology,School of Materials Science and Engineering
[3] Henan University of Science and Technology,Engineering Research Center of Tribology and Materials Protection, Ministry of Education
来源：
Applied Physics A | 2016年 / 122卷
关键词：
MoO3; Recrystallization Temperature; Refinement Effect; Molybdenum Alloy; ZrO2 Particle;
D O I：
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学科分类号：
摘要：
The nano-sized ZrO2-reinforced Mo alloy was prepared by a hydrothermal method and a subsequent powder metallurgy process. During the hydrothermal process, the nano-sized ZrO2 particles were added into the Mo powder via the hydrothermal synthesis. The grain size of Mo powder decreases obviously with the addition of ZrO2 particles, and the fine-grain sintered structure is obtained correspondingly due to hereditation. In addition to a few of nano-sized ZrO2 particles in grain boundaries or sub-boundaries, most are dispersed in grains. The tensile strength and yield strength have been increased by 32.33 and 53.76 %.
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