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New Horizons in Polymeric-Based Advanced Materials: Fracture and Mechanical Behavior

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Analysis and Characterization".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 387

Special Issue Editors


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Guest Editor
Technology, Instruction and Design in Engineering and Education Research Group (TiDEE.rg), Catholic University of Ávila, 05005 Ávila, Spain
Interests: mechanical behavior of materials; failure analysis; fracture; materials; microstructure; fractography; mechanical engineering; materials engineering; tensile testing; corrosion; mechanical properties; metals; material characterization; materials testing; energy efficiency; hydrogen; serious games; virtual reality; gamification; active learning; finite element method; engineering design; mechanical testing; fracture mechanics; hydrogen embrittlement
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Technology, Instruction and Design in Engineering and Education Research Group (TiDEE.rg), Catholic University of Ávila, 05005 Ávila, Spain
Interests: materials; polymers; nanocomposites; nanoparticles; fracture; strain sensors; energy storage; multifunctionality; battery; supercapacitors; electrical properties; solid polymer electrolytes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymers and polymer-based composites play a key role in the development of advanced materials for a wide range of engineering applications due to their versatility, lightweight nature, and exceptional performance properties. However, understanding their fracture behavior remains a critical challenge in ensuring their reliability and durability under demanding conditions. This Special Issue aims to delve into recent advancements in the fracture mechanics of polymeric-based materials, focusing on failure mechanisms, crack initiation and propagation, and strategies to improve the fracture toughness and fatigue resistance of such materials. Topics of interest include, but are not limited to, the evolution of damage under complex loading conditions, the role of microstructure in fracture processes, the development of fracture-resistant materials, and the influence of environmental factors such as temperature, moisture, or chemical exposure on material integrity.

This Special Issue provides a unique platform for researchers, industry professionals, and academic experts to share groundbreaking insights into the fracture mechanics of polymeric-based materials. Submissions addressing the aerospace, automotive, biomedical, energy, and other high-performance industries are particularly welcome. We encourage original research articles, state-of-the-art reviews, and case studies that showcase innovative solutions, cutting-edge methodologies, and emerging trends. Your contributions will advance the scientific and practical understanding of fracture mechanics, driving the development of next-generation materials and technologies designed for superior performance and reliability.

Dr. Diego Vergara
Dr. Antonio Del Bosque
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 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

  • fracture
  • toughness
  • fatigue
  • crack
  • damage
  • polymers
  • composites
  • failure analysis
  • advanced materials
  • durability

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Published Papers (1 paper)

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Research

24 pages, 4625 KiB  
Article
Study on Microstructure Evolution and Deformation Failure Mechanism of PTFE-Cu Composites Under Compression Load
by Siman Guan, Zhijun Wang, Xuezhi Tang, Ruijie Hao and Jianya Yi
Polymers 2025, 17(10), 1380; https://doi.org/10.3390/polym17101380 - 17 May 2025
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Abstract
In order to study the microstructure evolution of polytetrafluoroethylene–copper (PTFE-Cu) composites under compression load and reveal the molecular dynamics mechanism of deformation failure, three PTFE-Cu composites with different densities (3.0 g/cm3, 3.5 g/cm3, 4.0 g/cm3) were prepared [...] Read more.
In order to study the microstructure evolution of polytetrafluoroethylene–copper (PTFE-Cu) composites under compression load and reveal the molecular dynamics mechanism of deformation failure, three PTFE-Cu composites with different densities (3.0 g/cm3, 3.5 g/cm3, 4.0 g/cm3) were prepared in this study. The crystallinity of PTFE in each sample was determined via differential scanning calorimetry (DSC). The quasi-static compression mechanical properties test was carried out to analyze the effect of PTFE crystallinity on the macroscopic mechanical response of the composites. It is found that the crystallinity of the three PTFE-Cu composites was 43.05%, 39.49% and 40.13%, respectively, showing a non-monotonic trend of decreasing first and then increasing with an increase in copper powder content. The elastic modulus and yield strength of the material are negatively correlated with the crystallinity. The failure mode is the axial splitting failure and the composite morphology of axial splitting failure and shear tearing. Finally, the molecular dynamics simulation method is used to reveal the microstructure evolution and deformation failure mechanism of PTFE-Cu composites under compression load from the atomic scale, which provides a theoretical basis and experimental support for understanding the mechanical properties of PTFE-Cu composites. Full article
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