Institute of New Materials

Dynamic thermal-radiation modeling of aluminum-containing RDX-beased thermobaric explosive fireballs with temperature-dependent emissivity

Thermal radiation from explosive fireballs is critical for assessing thermal damage and determining safety distances. However, existing constant-emissivity models cannot capture temperature-dependent changes in the radiative properties of combustion products. Airburst tests were...

Solvent‐Free, UV‐Curable Cellulosic Adhesives Engineered via a Supramolecular Eutectic Platform for Robust Adhesion

ABSTRACT Cellulose‐based adhesives offer sustainable alternatives to petroleum‐derived products but face bottlenecks regarding organic solvent reliance, slow curing efficiency, and moisture sensitivity. Here, a solvent‐free, UV‐curable cellulosic adhesive (UCA) is developed via a...

Vacuum Flash Evaporation‐Assisted Processing in Perovskite Photovoltaics

ABSTRACT Perovskite solar cells (PSCs) have emerged as a leading next‐generation photovoltaic technology owing to their high‐power conversion efficiency, low fabrication cost, and solution processability. However, the performance and scalability of PSCs are critically limited by...

Effect of Binders on the Dynamic Slag and Iron Erosion Behavior of Taphole Clay

Dynamic slag and hot metal erosion tests were performed by the rotating cylinder method to evaluate the erosion resistance of taphole clay with different binder systems under high‐temperature flowing media. Macroscopic diameter changes, XRD phase analysis, and SEM–EDS observation...

Thermo-optical properties of polyimide films with bulky side groups: Experimental and theoretical investigations

In this study, we report the design and synthesis of two novel diamine monomers: hydroxyl-containing 4-(bis(4-amino-3,5-dimethylphenyl) methyl) phenol ( HGDT ) and pyridine-functionalized 4,4’-(pyridin-4-ylmethylene) bis(2,6-dimethylaniline) ( PYDT ). These monomers were copolyme...

Nacre-inspired hydroxylated BNNS/aramid composite paper with interfacially engineered lamellar networks for efficient thermal conduction

The intrinsically low thermal conductivity of traditional aramid paper hinders its application in next-generation high-power electrical systems. Although incorporating thermally conductive fillers is a common strategy, it often leads to severe filler agglomeration and interfacial...

Calcium-leaching-resistant shotcrete for subsea tunnels: Effects of alkali-free accelerator, early-strength material and leaching inhibitor

Calcium leaching can reduce the long-term mechanical capacity of shotcrete used as primary support in subsea tunnels. This study investigated the effects of an alkali-free accelerator, an early-strength material (ESM), and a leaching inhibitor on the strength development, pore st...

Neutron diffraction investigation of residual stress and texture in additively manufactured AISI 410 and 316L steel plates produced by LPBF and DED

Residual stresses pose a significant challenge in additive manufacturing, particularly for large metal parts. Monitoring these stresses is essential to achieving reliable performance characteristics. Neutron diffraction—a nondestructive method that measures residual stresses thro...

Hot Pressing Sintering and Properties of Silicon Carbide/Graphite Composite Ceramics Containing 30 wt% Graphite

ABSTRACT Silicon carbide/graphite composite ceramics containing 30 wt% (SiC/C30) and 35 wt% (SiC/C35) graphite were fabricated by hot pressing sintering, and the sintering behavior, microstructure, mechanical properties, and functional properties of the composite ceramics were in...

Preparation and Properties of Core–Sheath Structured Composite Fibers with Integrated Self-Healing and Self-Warning Functions

Abstract To overcome poor microcapsule dispersion and weak environmental stability of traditional self-healing materials, a core–sheath composite fiber integrating self-healing and self-warning dual functions was fabricated via wet spinning. The fiber core was a polyacrylonitrile...

Study on the macro-micro mechanisms of mineralized sand columns based on dual-enzymatically induced carbonate precipitation

Enzyme-induced carbonate precipitation (EICP) shows great promise in consolidating loose materials. However, traditional single-enzyme systems have limitations such as low precipitation efficiency, uneven spatial distribution and difficulty controlling reaction rates. This makes...

Regional Water-Vapor Partial-Pressure Responses in Film-Laminated Hardshell Jackets: An Exploratory Randomized Crossover Wear Study

This exploratory study examined regional water-vapor accumulation in four commercial film-laminated hardshell jackets during a structured wear protocol. Three healthy men each completed one trial per jacket in a randomized crossover design at 20 ± 2 °C and 60 ± 4% relative humidi...

Effect of Al-8Sr-8Ce master-alloy content on microstructure and mechanical properties of Al-15Mg2Si alloy

Al-Mg 2 Si alloys exhibit broad application prospects in automotive, aerospace, and electronics fields. However, the coarse morphology of Mg 2 Si constrains their applications. In this study, an Al-8Sr-8Ce modifier was proposed to improve the Mg 2 Si morphology and mechanical pro...

Electronic Structure Modulation of NiCo 2 S 4 Hollow Dodecahedrons by In Situ Compositing MoS 2 for Boosted Reaction Kinetics in Li–O 2 Batteries

ABSTRACT Rechargeable Li–O 2 batteries have attracted significant attention as a next‐generation energy storage technology because of their extremely high theoretical energy density. However, practical implementation remains hindered by limited energy density, poor cycling stabil...

Protein‐Stabilized Copper Nanoclusters for Microbial Inhibition‐Enabled Fresh Produce Preservation and Pesticide Removal

ABSTRACT Fresh produce safety is compromised by microbial spoilage and pesticide residues, posing global health risks and economic losses. Although metal nanoclusters (NCs) offer promising functionalities, their composition‐dependent activity remains underexplored. Here, bovine s...

Efficient Fabrication of PVDF Separators with Excellent Thermal Stability and High Ionic Conductivity by Melt Blending for Lithium Metal Batteries

Abstract Lithium (Li) metal batteries represent a transformative candidate for high-end energy storage due to their ultra-high energy density. However, commercial polyolefin separators suffer from poor thermal stability and insufficient electrolyte wettability, resulting in high...

Post-Printing Manipulation of Material Mechanical Properties via Synergistic Engineering of Dynamic Polymer Network and Phase Separation

Abstract The coupling of 3D printing process constraints and material molecular design makes it difficult to simultaneously achieve sophisticated structural fidelity and desirable mechanical performance. Topological reconfiguration of dynamic covalent polymer networks imparts mat...

Trade-Offs Among Arc Erosion Resistance, Wear Resistance, and Compressive Performance: Designing Cu-Nb-Gr Composites with a Semi-Continuous Gr-Rich Structure Coupled with an Nb-Rich Load-Bearing Structure

Developing Cu-based composites with excellent electrical and mechanical properties under multiphysics-coupled service conditions remains challenging. Novel Cu-Nb-Gr composites were fabricated by high-energy ball milling and High-pressure Multi-field Assisted Rapid Sintering. Expe...

Preparation of Salt‐Resistant Gemini Surfactants via Ethylene Oxide Group Regulation for Enhanced Oil Recovery

ABSTRACT Conventional anionic surfactants generally exhibit poor salt tolerance and reduced interfacial activity under high‐salinity reservoir conditions, limiting their application in enhanced oil recovery (EOR). To address this issue, a series of anionic–nonionic isotridecanol...

A new methodology for habit plane and orientation relationship prediction in precipitation strengthening of magnesium alloys

A new approach is presented, integrating the maximum atomic matching on the habit plane and reduced interfacial energy, to predict the orientation relationships (OR) and habit planes of precipitates in magnesium alloys. Understanding these ORs and habit planes is essential, as th...