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Materials, Volume 18, Issue 3

February-1 2025 - 258 articles

Cover Story: An examination of the electrical conductivity mechanism in a PEDOT:PTSA thermoelectric material supported on PET fibers was conducted, with varying PTSA concentrations. This material exhibited thermoelectric properties, with Seebeck coefficients ranging from 0.9 to 2.7 mV/K. The added PTSA played two roles in electrical conductivity. At lower concentrations, the carrier concentration and mobility were enhanced through chemical doping. Conversely, at higher concentrations, excess PTSA impeded carriers, resulting in decreased electrical conductivity. This study reveals that by carefully managing the equilibrium between these two effects, it is feasible to attain both a high Seebeck coefficient and elevated electrical conductivity. View this paper
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Articles (258)

  • Systematic Review
  • Open Access
5 Citations
1,556 Views
16 Pages

Systematic Review of the Quality of Stereolithographic Three-Dimensionally Printed Materials for Provisional Dental Restorations

  • Alexandra Ioana Danila,
  • Daniel Breban-Schwarzkopf,
  • Ecaterina Daescu,
  • Iustin Olariu and
  • Stefania Dinu

6 February 2025

Background and Objectives: The use of stereolithographic (SLA) 3D printing technology in dentistry has expanded, particularly for the fabrication of provisional dental restorations. Understanding the mechanical properties and quality of SLA 3D-printe...

  • Article
  • Open Access
1,081 Views
20 Pages

Effect of Initial Rolling Temperature on the Microstructure Evolution of Liquified Nature Gas Low-Temperature-Resistant Steel Bars

  • Zhenghong Ma,
  • Jun Cao,
  • Zhibo Zhang,
  • Huanhuan Zhang,
  • Shubiao Yin,
  • Bingguo Liu and
  • Xiaosong Zhang

6 February 2025

In order to gain insight into the changes of the organization and hardness of 500 MPa steel-grade low-temperature-resistant steel bars (HRB500DW) for liquefied nature gas (LNG) storage tanks during the continuous cooling phase transformation process,...

  • Article
  • Open Access
2 Citations
1,172 Views
15 Pages

Effect of Sn Addition on Microstructure and Mechanical Properties of Sintered Ti2AlNb-Based Alloys

  • Zhu Li,
  • Yaran Zhang,
  • Xifeng Yan,
  • Guoqing Xia,
  • Qilin Yu,
  • Xinze Li and
  • Qi Cai

6 February 2025

Using cold isostatic pressing and atmospheric pressure sintering, Ti-18Al-28Nb-xSn alloys were synthesized by incorporating 0.5 at.%, 1 at.%, 2 at.%, and 4 at.% Sn powder into Ti, Al, and Nb powders. This study investigated the effects of Sn concentr...

  • Article
  • Open Access
1 Citations
1,069 Views
15 Pages

Cellular Automaton Simulation of Corrosion in 347H Steel Exposed to Molten Solar Salt at Pilot-Plant Scale

  • Juan C. Reinoso-Burrows,
  • Marcelo Cortés-Carmona,
  • Mauro Henríquez,
  • Edward Fuentealba,
  • Andrés Alvear,
  • Carlos Soto,
  • Carlos Durán,
  • Raúl Pastén,
  • Luis Guerreiro and
  • Felipe M. Galleguillos Madrid

6 February 2025

The fast-paced depletion of fossil fuels and environmental concerns have intensified interest in renewable energies, with dispatchable solar energy emerging as a key alternative. Concentrated solar power (CSP) technology, utilizing thermal energy sto...

  • Article
  • Open Access
1 Citations
1,228 Views
18 Pages

Multi-Scale Anisotropic Yield Function Based on Neural Network Model

  • Hongchun Shang,
  • Lanjie Niu,
  • Zhongwang Tian,
  • Chenyang Fan,
  • Zhewei Zhang and
  • Yanshan Lou

6 February 2025

The increasingly complex form of traditional anisotropic yield functions brings difficulties to parameter calibration and finite element application, and it is necessary to establish a unified paradigm model for engineering applications. In this stud...

  • Communication
  • Open Access
928 Views
9 Pages

Evolution of Focal Conic Domains in SmA-N Phase Transition

  • Vincent Plée,
  • Jordan Lacam,
  • Gianni Pascoli and
  • Claire Meyer

6 February 2025

Focal conics are nice geometric structures of liquid crystal phases which present periodicity such as smectic phase, cholesteric phase, etc. Here, we focus on focal conic domains (FCD) in smectic A liquid crystal. During a phase transition from smect...

  • Article
  • Open Access
3 Citations
1,515 Views
17 Pages

Prediction and Optimization of the Long-Term Fatigue Life of a Composite Hydrogen Storage Vessel Under Random Vibration

  • Xiaoshuang Xiong,
  • Wentao Wang,
  • Xiang Li,
  • Fei Fan,
  • Jiacheng Zhou and
  • Mingzhang Chen

6 February 2025

A composite hydrogen storage vessel (CHSV) is one key component of the hydrogen fuel cell vehicle, which always suffers random vibration during transportation, resulting in fatigue failure and a reduction in service life. In this paper, firstly, the...

  • Article
  • Open Access
1 Citations
2,375 Views
13 Pages

Properties of Electrode Induction Melting Gas Atomization- and Vacuum Induction Melting Atomization-Produced Powders and Their As-HIPed Blanks

  • Xiaona Ren,
  • Yao Wang,
  • Zhenfan Wang,
  • Peng Wang,
  • Zihao Wang,
  • Lebiao Yang,
  • Weifeng Qi,
  • Xinggang Li and
  • Changchun Ge

6 February 2025

The main method for large-scaled preparing powder superalloys in the production process is inert gas atomization, particularly vacuum-induced gas atomization (VIGA). A novel technique called electrode-induced gas atomization (EIGA) with a crucible-fr...

  • Article
  • Open Access
1 Citations
1,124 Views
14 Pages

Evaluation of the Properties of Bioactive Mesoporous Glasses Doped with Cerium and Loaded with Polyphenols

  • Alessia Giordana,
  • Chiara Cavazzoli,
  • Francesca Fraulini,
  • Paolo Zardi,
  • Alfonso Zambon,
  • Giuseppina Cerrato and
  • Gigliola Lusvardi

6 February 2025

(1) Background: The onset of inflammation and oxidative stress after biomaterial implantation can lead to complications and prolonged recovery times. To address this, bioactive mesoporous glasses doped with cerium (0, 3.6 and 5.3 mol%) were loaded wi...

  • Article
  • Open Access
1 Citations
997 Views
19 Pages

6 February 2025

This study investigates the formation of a protective layer on a 5083 aluminum alloy surface induced by microorganisms from salt marsh. The influence of the initial surface roughness was examined to identify optimal conditions for maximum coverage an...

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Materials - ISSN 1996-1944