| Effects of molybdenum on the microstructure and mechanical properties of Ti（C,N）-based cermets with low Ni |
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| 作者姓名： | WANG Saiyu XIONG Weihao YAN Mingshuang FAN Chou |
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| 作者单位： | [1]The Stale Key Laboratory for Die ＆ Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China [2]Huangshi Institute of Technology, Huangshi 435003, China |
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| 基金项目： | 中国科学院资助项目;湖北省自然科学基金 |
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| 摘 要： | The effects of Mo on the microstructure and mechanical properties of Ti（C,N）-based cermets with low Ni have been studied systematically. Different contents of Mo （4-12 wt.%） were added into Tl（C,N）-based cermets. Specimens were fabricated by conventional powder metallurgy and vacuum sintered at temperatures of 1440, 1450, and 1460℃ individually. The microstructure and fracture morphology were investigated by scanning electron microscope, and the mechanical properties such as transverse strength and hardness were measured. The results show that the microstructure is uniform and the thickness of rim phase is moderate when the content of Mo is 8 wt.%; the mechanical properties of the specimens sintered at 1450℃ are better than those sintered at 1440 and 1460℃. The integrated properties of transverse strength and hardness are the best when the content of Mo is 8 wt.% and the sintering temperature is 1450℃.
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| 关 键 词： | 钼 显微结构 机械性质 Ti（C N）基合金陶瓷 钛 镍 |
| 收稿时间： | 2005-08-05 |
Effects of molybdenum on the microstructure and mechanical properties of Ti(C,N)-based cermets with low Ni |
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| WANG Saiyu XIONG Weihao YAN Mingshuang FAN Chou.Effects of molybdenum on the microstructure and mechanical properties of Ti(C,N)-based cermets with low Ni[J].Rare Metals,2006,25(1):90-95. |
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| Authors: | WANG Saiyu XIONG Weihao YAN Mingshuang FAN Chou |
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| Affiliation: | 1. Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka 8190395, Japan;2. Division of Odor Sensor, Research and Development Center for Taste and Odor Sensing, Kyushu University, Fukuoka 8190395, Japan;1. University Carlos III of Madrid, Spain;2. Kyocera Unimerco, Germany |
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| Abstract: | The effects of Mo on the microstructure and mechanical properties of Ti(C,N)-based cermets with low Ni have been studied systematically. Different contents of Mo (4-12 wt.%) were added into Ti(C,N)-based cermets. Specimens were fabricated by conventional powder metallurgy and vacuum sintered at temperatures of 1440, 1450, and 1460℃ individually.The microstructure and fracture morphology were investigated by scanning electron microscope, and the mechanical properties such as transverse strength and hardness were measured. The results show that the microstructure is uniform and the thickness of rim phase is moderate when the content of Mo is 8 wt.%; the mechanical properties of the specimens sintered at 1450℃ are better than those sintered at 1440 and 1460℃. The integrated properties of transverse strength and hardness are the best when the content of Mo is 8 wt.% and the sintering temperature is 1450℃. |
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| Keywords: | Ti(C N)-based cermets microstructure mechanical properties Mo content |
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