Electromagnetic Performance Calculation of HTS Linear Induction Motor for Rail Systems

Liu, Bin; Fang, Jin; Cao, Junci; Chen, Jie; Shu, Hang; Sheng, Long

doi:10.1088/1742-6596/871/1/012097

Cited by 6 publications

(1 citation statement)

References 4 publications

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“…Recently, high-temperature superconducting (HTS) linear motors have been proposed for rail systems. Bin et al [1] examined the effect of electromagnetic and mechanical parameters on the maximum vertical force and magnetic eld of HTS linear motors. As weight reduction is crucial, carbon-ber-reinforced polymers (CFRPs) have attracted signi cant attention due to their practical use, where information about the mechanical properties of CFRPs (such as tensile, fatigue, and creep strength) at low temperatures is essential [2].…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties of epoxy- and dicyclopentadiene-based carbon-fiber-reinforced plastics at low temperature

Fujiwara,

Daoyuan,

Liang

et al. 2024

Preprint

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In this study, the material properties of carbon-fiber-reinforced polymers (CFRPs) at room and low temperatures (at 20°C and − 196°C) were examined, where the mechanical properties and failure characteristics of two types of CFRP with thermoset resins (epoxy (E) and dicyclopentadiene (D)) were used. For the low-temperature tests, the mechanical properties were investigated using an originally designed testing system, where the mechanical properties were examined in a container, made of styrofoam, filled with liquid nitrogen (LN). LN was supplied automatically as the amount of LN decreased, where the level of LN was monitored using a capacitance sensor. The bending and fatigue strengths of both CFRPs were enhanced at -196°C compared with those at 20°C due to high internal strain at low temperature. Furthermore, the high creep strength was detected for D-CFRP at -196°C compared to that for E-CFRP. This could be attributed to the high ductility of D-CFRP. In particular, the bending stress of E-CFRP dropped suddenly during the static bending loading, which could be affected by the delamination between epoxy and carbon fiber, although the D-CFRP sample was highly strained during the loading process without severe delamination. This could be attributed to the high wettability between dicyclopentadiene and carbon. Details of the wettability and the above material properties of both CFRPs were analyzed in this paper.

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Section: Introductionmentioning

confidence: 99%