首页|Adhesion strength of tetrahydrofuran hydrates is dictated by substrate stiffness

Adhesion strength of tetrahydrofuran hydrates is dictated by substrate stiffness

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Understanding the hydrate adhesion is important to tackling hydrate accretion in petro-pipelines.Herein,the relationship between the Tetrahydrofuran(THF)hydrate adhesion strength(AS)and sur-face stiffness on elastic coatings is systemically examined by experimental shear force measurements and theoretical methods.The mechanical factor-elastic modulus of the coatings greatly dictates the hydrate AS,which is explained by the adhesion mechanics theory,beyond the usual factors such as wettability and structural roughness.Moreover,the hydrate AS increases with reducing the thickness of the elastic coatings,resulted from the decrease of the apparent surface elastic modulus.The effect of critical thickness for the elastic materials with variable elastic modulus on the hydrate AS is also revealed.This study provides deep perspectives on the regulation of the hydrate AS by the elastic modulus of elastic materials,which is of significance to design anti-hydrate surfaces for mitigation of hydrate accretion in petro-pipelines.

HydrateAdhesion strengthElastic modulusCoatings

Yan-Wen Lin、Tong Li、Yi Zhang、Wei-Wei Yan、Xiao-Ming Chen、Zhi-Sen Zhang、Jian-Yang Wu

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Department of Physics,Research Institute for Biomimetics and Soft Matter,Jiujiang Research Institute and Fujian Provincial Key Laboratory for Soft Functional Materials Research,Xiamen University,Xiamen,361005,Fujian,China

Key Laboratory of Marine Materials and Related Technologies,Zhejiang Key Laboratory of Marine Materials and Protective Technologies,Ningbo Institute of Materials Technology and Engineering,Chinese Academy of Sciences,Ningbo,315201,Zhejiang,China

Key Laboratory of Icing and Anti/De-icing China Aerodynamics Research and Development Center,Mianyang 621000,Sichuan,China

Micro-and Nano-technology Research Center,State Key Laboratory for Manufacturing Systems Engineering Xi'an Jiaotong University,Xi'an,710049,Shaanxi,China

Electronic Materials Research Lab,Key Laboratory of the Ministry of Education,Xi'an Jiaotong University,Xi'an,710049,Shaanxi,China

NTNU Nanomechanical Lab,Norwegian University of Science and Technology(NTNU),Trondheim,7491,Norway

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Key Laboratory of Icing and Anti/Deicing of CARDC国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金Jiangxi Provincial Outstanding Young Talents ProgramFundamental Research Funds for the Central Universities(Xiamen University)

IADL202104021200235012172314117722781190430020192BCBL2302920720210025

2024

10.1016/j.petsci.2023.08.009

石油科学(英文版)
中国石油大学（北京）

石油科学(英文版)

EI
影响因子：0.88
ISSN：1672-5107
年,卷(期)：2024.21(1)
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