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5 Results Found

  • Article
  • Open Access
21 Citations
4,206 Views
24 Pages

18 January 2022

Prony series representations have been extensively applied to characterizing the time-domain linear viscoelastic (LVE) material functions for asphalt concrete. However, existing methods that can generate high-quality Prony series parameters (i.e., di...

  • Article
  • Open Access
5 Citations
2,481 Views
22 Pages

31 May 2023

This study utilizes the genetic algorithm (GA) and Levenberg–Marquardt (L–M) algorithm to optimize the parameter acquisition process for two commonly used viscoelastic models: 2S2P1D and Havriliak–Negami (H–N). The effects of...

  • Review
  • Open Access
70 Citations
13,141 Views
28 Pages

Extrinsic and Intrinsic Frequency Dispersion of High-k Materials in Capacitance-Voltage Measurements

  • J. Tao,
  • C. Z. Zhao,
  • C. Zhao,
  • P. Taechakumput,
  • M. Werner,
  • S. Taylor and
  • P. R. Chalker

1 June 2012

In capacitance-voltage (C-V) measurements, frequency dispersion in high-k dielectrics is often observed. The frequency dependence of the dielectric constant (k-value), that is the intrinsic frequency dispersion, could not be assessed before suppressi...

  • Article
  • Open Access
209 Views
21 Pages

26 December 2025

The accurate assessment of the aging state of epoxy resin insulation is critical for the safe operation of cast resin dry-type transformers. This study investigates the evolution of activation energy during thermal aging and its correlation with insu...

  • Article
  • Open Access
2 Citations
1,177 Views
22 Pages

Study on the Application of Kramers–Kronig Relation for Polyurethane Mixture

  • Haisheng Zhao,
  • Quanjun Shen,
  • Peiyu Zhang,
  • Zhen Li,
  • Shiping Cui,
  • Lin Wang,
  • Wensheng Zhang,
  • Chunhua Su and
  • Shijie Ma

14 June 2024

Polyurethane (PU) mixture, which is a new pavement mixture, exhibits different dynamic properties compared to a hot-mixed asphalt mixture (HMA). This paper analyzed whether the Kramers–Kronig (K–K) relation and thermorheologically simple...