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中文
Yongchen Song

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Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:大连理工大学
Degree:Doctoral Degree
School/Department:能源与动力学院
Discipline:Energy and Environmental Engineering
Business Address:能动大楼810
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温度和应变速率对水合物沉积物强度影响试验研究

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Indexed by:Journal Article

Date of Publication:2012-01-25

Journal:天然气勘探与开发

Volume:35

Issue:1

Page Number:50-53

ISSN:1673-3177

Key Words:天然气水合物;力学特性水合物沉积物;三轴试验;安全开采

Abstract:在不同温度和应变速率条件下,对天然气水合物沉积物进行三轴压缩试验.试验结果表明:(1)温度越低,水合物沉积物破坏强度越大,在一定温度范围内可用线性表示.随着温度的进一步降低,破坏强度的增加趋势有所减小,最终趋于定值;(2)水合物沉积物试样的破坏强度随着应变速率的增大而增大.另外,应变速率可明显的改变材料的塑性性能.(3)割线模量E50随着温度的降低线性增加.