Underwater implosion protection of a new concept composite structure for a deep-sea hollow ceramic sphere with CFRP shield

Zhang, Xinyu; Zhao, Min; Xia, Jie; Ge, Tong

doi:10.1016/j.oceaneng.2024.117985

Ocean Engineering

2024

DOI: 10.1016/j.oceaneng.2024.117985

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Underwater implosion protection of a new concept composite structure for a deep-sea hollow ceramic sphere with CFRP shield

Xinyu Zhang,

Min Zhao,

Jie Xia

et al.

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Understanding the compaction behavior of uncured thermoset prepreg: Experimental investigation and theoretical analyses

Yan,

Gong,

Wang

et al. 2024

Polymer Composites

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The deformation behavior of uncured thermoset prepreg during hot compaction process was investigated by dividing the whole compaction process into an initial compression stage and the subsequent creep stage. At the compression stage, there existed a strain‐softening phenomenon in the temperature range of 50–90°C, indicating different deformation behavior that is mainly determined by the viscosity of prepreg. Following an appraisal of advantages and limitations of existing compaction models, a combination model consisted of a modified power‐law model including the influence of temperature and the generalized Kelvin‐Voigt model was proposed to describe the deformation behavior of prepreg during compression and creep stage, respectively. Finally, a discussion on the compaction mechanism was conducted to offer some insights into the deformation process.Highlights Strain‐softening phenomenon occurred during the compaction of uncured prepreg. Proposed combination model captures the deformation of uncured prepreg well. The percolation mechanism dominates prepreg deformation during compaction. The squeeze flow mechanism causes limited thickness reduction of prepreg.

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Understanding the compaction behavior of uncured thermoset prepreg: Experimental investigation and theoretical analyses

Yan,

Gong,

Wang

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

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Underwater implosion protection of a new concept composite structure for a deep-sea hollow ceramic sphere with CFRP shield

Cited by 1 publication

References 36 publications

Understanding the compaction behavior of uncured thermoset prepreg: Experimental investigation and theoretical analyses

Understanding the compaction behavior of uncured thermoset prepreg: Experimental investigation and theoretical analyses

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