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Mechanical Dynamics and Rheological Insights in Advanced Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Mechanics of Materials".

Deadline for manuscript submissions: 20 August 2026 | Viewed by 340

Special Issue Editor


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Guest Editor
Materials Engineering Department, Industrial Engineering School, Universidade de Vigo, Vigo, Spain
Interests: rheological behavior; thermal analysis; polymer science; materials science

Special Issue Information

Dear Colleagues,

Understanding the mechanical dynamics and rheological behavior of advanced materials is essential for the design, processing, and performance optimization of next-generation engineering systems. This Special Issue aims to provide a comprehensive platform for recent theoretical, experimental, and computational advances in the characterization of flow, deformation, and viscoelastic response of complex material systems, with particular emphasis on the relationships between microstructure, molecular dynamics, and macroscopic mechanical performance under static and dynamic loading conditions.

Topics of interest include, but are not limited to, polymer melts and solutions, composites, nanostructured materials, gels, suspensions, emulsions, smart and responsive materials, and biomaterials. Contributions addressing advanced rheological techniques, dynamic mechanical analysis (DMA), interfacial and extensional rheology, nonlinear viscoelasticity, time–temperature superposition, and structure–property relationships are particularly welcome. Both fundamental studies and application-oriented research relevant to processing technologies such as extrusion, injection molding, additive manufacturing, and curing processes are encouraged.

By bringing together multidisciplinary contributions from academia and industry, this Special Issue seeks to advance the fundamental understanding of material dynamics while promoting innovative solutions for the development of high-performance advanced materials.

Dr. Silvia Gómez Barreiro
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

 

Keywords

  • rheological behavior
  • dynamic mechanical analysis (DMA)
  • materials science
  • viscoelastic
  • additive manufacturing
  • mechanical properties

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Published Papers (1 paper)

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Research

29 pages, 1713 KB  
Article
Preparation and Rheological Properties of Waterborne Epoxy Resin Emulsified Asphalt
by Siyu Wu, Huaxin Chen, Suining Zheng, Yonglu Dong and Wenlan Zhang
Materials 2026, 19(12), 2493; https://doi.org/10.3390/ma19122493 - 10 Jun 2026
Viewed by 137
Abstract
To address the lack of systematic quantitative studies on waterborne epoxy resin (WER)-modified emulsified asphalt regarding its rheological optimization and engineering applicability, this study fills the gap by preparing WER-modified emulsified asphalt via a two-step process. New findings reveal that 20% WER content [...] Read more.
To address the lack of systematic quantitative studies on waterborne epoxy resin (WER)-modified emulsified asphalt regarding its rheological optimization and engineering applicability, this study fills the gap by preparing WER-modified emulsified asphalt via a two-step process. New findings reveal that 20% WER content significantly enhances elastic components, creep–recovery, fatigue life, and fracture energy. The main objective is to establish a theoretical basis for high-performance pavement materials. Modified emulsified asphalt specimens with different waterborne epoxy resin contents were prepared using a two-step method of “emulsification followed by compounding”. The stability of the emulsions was quantitatively evaluated by zeta potential, storage stability, particle size distribution, and demulsification time. Their rheological parameters, multi-stress creep–recovery characteristics, fatigue life, and low-temperature crack resistance were systematically tested across the full temperature range using a dynamic shear rheometer and a bending beam rheometer. In addition, the bonding performance, strength development behavior, and water resistance durability were comprehensively assessed through pull-out tests, Marshall stability and splitting strength tests, as well as freeze–thaw cycle tests. These properties were compared with those of unmodified emulsified asphalt (UEA-0) and SBR-modified emulsified asphalt (SBR-EA). With an increase in waterborne epoxy resin content, the elastic component of the modified asphalt improved significantly, and the phase angle continuously decreased. The specimen with 20% waterborne epoxy resin content (WER-EA-20) exhibited the best performance: its phase angle was lower than those of the other groups under high-, medium-, and low-temperature conditions. After seven creep–recovery cycles, its creep–recovery rate remained at 33%, substantially higher than the 8% observed for the unmodified specimen. The fatigue life reached 15,000 cycles under a shear stress of 2.1 MPa. At −10 °C, the fracture strength was 0.92 MPa, and the fracture energy reached 21.4 J. Furthermore, the pull-out strength of WER-EA-20 was 0.86 MPa, with the failure mode identified as asphalt cohesive failure. After 37 days of curing, the Marshall stability reached 22.5 kN, and the splitting strength was 1.36 MPa. After 40 freeze–thaw cycles, the freeze–thaw splitting strength ratio (TSR) of WER-EA-20 remained above 75%, representing an improvement of more than 110% compared to the unmodified UEA-0 (TSR ≈ 35.5%), which highlights the significant enhancement in water resistance imparted by the waterborne epoxy resin. Compared to SBR-EA, WER-EA-20 has a higher softening point, a lower suitable mixing temperature, and better anti-aging properties. Waterborne epoxy resin can effectively improve the viscoelastic properties and overall road performance of emulsified asphalt, and the modification effect increases with increasing dosage. Full article
(This article belongs to the Special Issue Mechanical Dynamics and Rheological Insights in Advanced Materials)
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