| 先进陶瓷刀具材料的破损性能 |
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| 引用本文： | 许崇海,黄传真,艾兴. 先进陶瓷刀具材料的破损性能[J]. 机械工程师, 2000, 0(9): 45-47 |
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| 作者姓名： | 许崇海 黄传真 艾兴 |
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| 作者单位： | 1. 山东轻工业学院机电工程系，济南250100
2. 山东工业大学机械工程学院，济南250061 |
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| 摘 要： | 研究了稀土补强Ａｌ２Ｏ３／（Ｗ，Ｔｉ）Ｃ陶瓷刀具材料的破损性能，发现在断续切削淬硬４５钢时，该刀具材料具有较镐的抗破损性能，其抗破损性能比相应不含稀土的Ａｌ２Ｏ３／（Ｗ，Ｔｉ）Ｃ陶瓷刀具材料提高约２０％，在不同的切削条件下，疲劳裂纹和热裂纹是造成刀具材料失效的主要原因。
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| 关 键 词： | 陶瓷刀具材料 氧化铝 破损性能 碳化钨 碳化钛 |
| 文章编号： | 1002-2333(2000)09-0045-03 |
| 修稿时间： | 2000-06-13 |
Fracture Fesistance of the Advanced Ceramic Tool Material |
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| XU Chong-hai,HUANG Chuan-zhen,AI Xing. Fracture Fesistance of the Advanced Ceramic Tool Material[J]. Mechanical Engineer, 2000, 0(9): 45-47 |
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| Authors: | XU Chong-hai HUANG Chuan-zhen AI Xing |
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| Abstract: | The fracture resistance of the rare earth reinforced A12O3/(W, Ti)C composite ceramic tool material has been studied. High fracture resistance is found for the rare earth reinforced A12O3/(W, Ti)C ceramic tool material in intermittent machining of hardened 45 carbon steel, which is about 20% higher than that of the corresponding ceramic tool material without any addition of rare earths. The formation of the fatigue cracks and the thermally induced cracks are mainly responsible for the failure of the ceramic tool materials under various cutting conditions. |
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| Keywords: | ceramic tool material alumina fracture |
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