| 残余压应力与表面断裂韧度关系研究 |
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| 引用本文： | 高平,赵宝荣,龚涛. 残余压应力与表面断裂韧度关系研究[J]. 兵器材料科学与工程, 1999, 22(2): 17-19 |
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| 作者姓名： | 高平 赵宝荣 龚涛 |
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| 作者单位： | 1. 兵器工业第五二研究所
2. 上海大学 |
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| 摘 要： | 研究了镍离子注入Ａｌ２Ｏ３陶瓷表面引起的残余压应力和表面断裂韧度的变化,并根据压痕裂纹的断裂力学原理,给出了初步的力学解释。结果表明,二者具有一致的变化规律。
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| 关 键 词： | 离子注入 残余应力 断裂韧度 |
STUDY ON RELATION OF SURFACE RESIDUAL COMPRESS STRESS ANDFRACTURE TOUGHNESS |
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| Gao Ping,Zhao Baorong,Gong Tao. STUDY ON RELATION OF SURFACE RESIDUAL COMPRESS STRESS ANDFRACTURE TOUGHNESS[J]. Ordnance Material Science and Engineering, 1999, 22(2): 17-19 |
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| Authors: | Gao Ping Zhao Baorong Gong Tao |
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| Abstract: | The change of surface fracture toughness and residual compress stress of Al 2O 3 ceramics implanted by Ni ion were studied. According to fracture mechanics theory of crack, a tentative mechanical explanation was made. Tests show that they have same regular pattern. |
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| Keywords: | ion implantation residual stress fracture toughness |
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