Adhesion of voids to bimetal interfaces with non-uniform energies | |
Zheng, Shijian; Shao, Shuai; Zhang, Jian; Wang, Yongqiang; Demkowicz, Michael J.; Beyerlein, Irene J.; Mara, Nathan A.; sjzheng@imr.ac.cn | |
2015 | |
发表期刊 | SCIENTIFIC REPORTS
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ISSN | 2045-2322 |
卷号 | 5页码:- |
摘要 | Interface engineering has become an important strategy for designing radiation-resistant materials. Critical to its success is fundamental understanding of the interactions between interfaces and radiation-induced defects, such as voids. Using transmission electron microscopy, here we report an interesting phenomenon in their interaction, wherein voids adhere to only one side of the bimetal interfaces rather than overlapping them. We show that this asymmetrical void-interface interaction is a consequence of differing surface energies of the two metals and non-uniformity in their interface formation energy. Specifically, voids grow within the phase of lower surface energy and wet only the high-interface energy regions. Furthermore, because this outcome cannot be accounted for by wetting of interfaces with uniform internal energy, our report provides experimental evidence that bimetal interfaces contain non-uniform internal energy distributions. This work also indicates that to design irradiation-resistant materials, we can avoid void-interface overlap via tuning the configurations of interfaces. |
部门归属 | [zheng, shijian ; shao, shuai ; zhang, jian ; wang, yongqiang ; beyerlein, irene j. ; mara, nathan a.] los alamos natl lab, los alamos, nm 87545 usa ; [zheng, shijian] chinese acad sci, inst met res, shenyang natl lab mat sci, beijing 100864, peoples r china ; [zhang, jian] xiamen univ, sch energy res, xiamen 361005, peoples r china ; [demkowicz, michael j.] mit, dept mat sci & engn, cambridge, ma 02139 usa |
资助者 | Center for Materials at Irradiation and Mechanical Extremes, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [2008LANL1026]; "Hundred Talents Project" of Chinese Academy of Sciences; National Natural Science Foundation of China [51401208]; Shenyang National Laboratory for Materials Science [2015RP18] |
收录类别 | sci |
语种 | 英语 |
WOS记录号 | WOS:000363107800001 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.imr.ac.cn/handle/321006/74615 |
专题 | 中国科学院金属研究所 |
通讯作者 | sjzheng@imr.ac.cn |
推荐引用方式 GB/T 7714 | Zheng, Shijian,Shao, Shuai,Zhang, Jian,et al. Adhesion of voids to bimetal interfaces with non-uniform energies[J]. SCIENTIFIC REPORTS,2015,5:-. |
APA | Zheng, Shijian.,Shao, Shuai.,Zhang, Jian.,Wang, Yongqiang.,Demkowicz, Michael J..,...&sjzheng@imr.ac.cn.(2015).Adhesion of voids to bimetal interfaces with non-uniform energies.SCIENTIFIC REPORTS,5,-. |
MLA | Zheng, Shijian,et al."Adhesion of voids to bimetal interfaces with non-uniform energies".SCIENTIFIC REPORTS 5(2015):-. |
条目包含的文件 | 条目无相关文件。 |
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