In-situ TEM Observation of Brittle Microcrack Nucleation
Rice and Thomson assumed that no dislocation emission takes place from thecrack tip during brittle crack propagation. Experimental observations for Si andFe-Si have shown that dislocations are emitted during cleavage crack propagation.Argon suggested that the transformation from brittle fracture to...
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| Published in | 中国科学通报：英文版 no. 12; pp. 980 - 982 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.06.1994
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-6538 1861-9541 |
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| Abstract | Rice and Thomson assumed that no dislocation emission takes place from thecrack tip during brittle crack propagation. Experimental observations for Si andFe-Si have shown that dislocations are emitted during cleavage crack propagation.Argon suggested that the transformation from brittle fracture to ductile fracture insilicon is controlled by the number of dislocations emitted from the crack tip ratherthan by dislocation nucleation from the tip. However, Chiao assumed that brittle |
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| AbstractList | Rice and Thomson assumed that no dislocation emission takes place from thecrack tip during brittle crack propagation. Experimental observations for Si andFe-Si have shown that dislocations are emitted during cleavage crack propagation.Argon suggested that the transformation from brittle fracture to ductile fracture insilicon is controlled by the number of dislocations emitted from the crack tip ratherthan by dislocation nucleation from the tip. However, Chiao assumed that brittle |
| Author | 张跃 王燕斌 褚武扬 肖纪美 |
| AuthorAffiliation | Department of Materials Physics University of Science and Technology Beijing Beijing 100083 PRC PRC |
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| DocumentTitleAlternate | In-situ TEM Observation of Brittle Microcrack Nucleation |
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| Notes | 11-1785/N ZHANG Yue WANG Yan-Bin CHU Wu-Yang XIAO Ji-Mei(Department of Materials Physics, University of Science and Technology Beijing, Beijing 100083, PRC) |
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| Snippet | Rice and Thomson assumed that no dislocation emission takes place from thecrack tip during brittle crack propagation. Experimental observations for Si andFe-Si... |
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| SubjectTerms | aluminide dislocation-free nano-microcrack titanium zone |
| Title | In-situ TEM Observation of Brittle Microcrack Nucleation |
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