Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL085895 |
Effect of Water on the Dislocation Creep of Enstatite Aggregates at 300 MPa | |
Zhang, Guinan1,2; Mei, Shenghua2; Song, Maoshuang1 | |
2020-03-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:5 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | To investigate the effect of water on the rheological properties of enstatite, we have conducted triaxial compressive creep experiments on enstatite aggregates using a gas medium apparatus at a confining pressure of 300 MPa and temperatures of 1373-1473 K under both water-saturated and anhydrous conditions. Samples were mainly deformed in the dislocation creep regime; analyses of mechanical data yield activation energies of 603 and 567 kJ/mol for hydrous and anhydrous conditions, respectively. Under similar differential stress and temperature, the creep rate of enstatite under water-saturated conditions is a factor of similar to 50 greater than that under anhydrous conditions. Based on a comparison of creep strength between olivine and enstatite in the dislocation creep regime, our results suggest that, at least under limited pressure and temperature conditions, enstatite is weaker than olivine. The results from this study provide a solid database for modeling geological processes occurring within Earth's interior. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000529112700004 |
WOS关键词 | DIFFUSION CREEP ; ORTHO-PYROXENE ; UPPER-MANTLE ; LITHOSPHERIC MANTLE ; HIGH-TEMPERATURES ; LOWER CRUST ; OLIVINE ; SOLUBILITY ; DEFORMATION ; MINERALS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/279745 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou, Peoples R China; 2.Chinese Acad Sci, CAS Key Lab Expt Study Deep Sea Extreme Condit, Inst Deep Sea Sci & Engn, Sanya, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Guinan,Mei, Shenghua,Song, Maoshuang. Effect of Water on the Dislocation Creep of Enstatite Aggregates at 300 MPa[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(5). |
APA | Zhang, Guinan,Mei, Shenghua,&Song, Maoshuang.(2020).Effect of Water on the Dislocation Creep of Enstatite Aggregates at 300 MPa.GEOPHYSICAL RESEARCH LETTERS,47(5). |
MLA | Zhang, Guinan,et al."Effect of Water on the Dislocation Creep of Enstatite Aggregates at 300 MPa".GEOPHYSICAL RESEARCH LETTERS 47.5(2020). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论