| 氮化硅烧结体的缺陷分析 |
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| 引用本文： | 李熙章,徐明英,张杰. 氮化硅烧结体的缺陷分析[J]. 兵器材料科学与工程, 2000, 23(3): 35-38 |
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| 作者姓名： | 李熙章 徐明英 张杰 |
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| 作者单位： | 华中理工大学国家模具重点实验室 |
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| 摘 要： | 通过表面形貌宏观观察、显微组织观察、X射线物相分析、炉气成分分析 ,探讨气压烧结中在毛坯表面产生针孔和白色针状物的可能机理 ,提出防止和消除这些缺陷产生的措施
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| 关 键 词： | 烧结体 缺陷 针孔 白色针状物 |
| 文章编号： | 1004-244X(2000)03-0035-04 |
| 修稿时间： | 1998-11-30 |
DEFECT ANALYSIS OF Si3N4 SINTERED BODY |
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| Li Xizhang,Xu Mingying,Zhang Jie. DEFECT ANALYSIS OF Si3N4 SINTERED BODY[J]. Ordnance Material Science and Engineering, 2000, 23(3): 35-38 |
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| Authors: | Li Xizhang Xu Mingying Zhang Jie |
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| Abstract: | After the surface macro observation microstructure observation X ray phase analysis of the sintered body and the analysis of gas composition in the sintering furnace,the mechanisms of formation of the needle holes and white spicules on the sintered body surface in the gas pressure sintering process have been studied.The methods of preventing these defects have been got in this paper. |
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| Keywords: | sintered body defect needle hole white spicule |
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