Results 21 to 30 of about 6,176 (257)

Progress in Preparation of ZrB₂ Nanopowders Based on Traditional Solid-State Synthesis

Nanomaterials, 2021
ZrB2 is of particular interest among ultra-high temperature ceramics because it exhibits excellent thermal resistance at high temperature, as well as chemical stability, high hardness, low cost, and good electrical and thermal conductivity, which meet ...
Liuyang Bai, Yuge Ouyang, Fangli Yuan
doaj   +1 more source

High-Temperature Oxidation Behavior and Mechanism of (Hf_1/4 Zr_1/4 Ta_1/4 Ti_1/4)B₂-SiC Multiphase High-Entropy Ceramics [PDF]

Cailiao Baohu
The oxidation behavior of high-entropy borides and the influence mechanism of SiC secondary phases are critical for their applications in extreme environments， yet related research remains relatively limited to date.In this work， (Hf1/4Zr1/4Ta1/4Ti1/4)B2-
XU Yixiang, HONG Du, HUANG Shansong, HUANG Liping, LIU Jixuan, NIU Yaran, ZHENG Xuebin
doaj   +1 more source

Perovskite Bi0.5Na0.5TiO3-based materials for dielectric capacitors with ultrahigh thermal stability

Materials & Design, 2021
There has been recently a great progress in the development of dielectric capacitors for high temperature electronic applications. The design of lead-free ceramics with high dielectric permittivity, low dielectric loss and a limited variation of these ...
Jiyue Wu, Hangfeng Zhang, Nan Meng, Vladimir Koval, Amit Mahajan, Zhipeng Gao, Dou Zhang, Haixue Yan   +7 more
doaj   +1 more source

Hybrid Rockets With Nozzle In Ultra-High-Temperature Ceramic Composites

69th International Astronautical Congress (IAC), 2018
In the framework of the Horizon 2020 project C3HARME, an experimental campaign has been carried out to characterize a new class of Ultra-High-Temperature Ceramic Matrix Composites (UHTCMC) for near-zero erosion rocket nozzles. A novel test set-up has been developed to the purpose of testing small-sized specimens, with ZrB2- based matrix and carbon ...
Giuseppe D. Di Martino, Stefano Mungiguerra, Anselmo Cecere, Raffaele Savino, Antonio Vinci, Luca Zoli, Diletta Sciti   +6 more
openaire   +4 more sources

Future insights on high temperature ceramics and composites for extreme environments

International Journal of Ceramic Engineering & Science, 2022
This document summarizes key research directions as they emerged during the proceedings of the Inaugural Orton Workshop that aimed to define scientific areas of current interest to the ceramics community around the theme of: “High Temperature Ceramics ...
Anthony Annerino, Mark Lawson, Pelagia‐Irene Gouma   +2 more
doaj   +1 more source

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

Advanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo, Shuo Qu, Shiming Gao, Xu Song   +3 more
wiley   +1 more source

Electrochemical Evaluation of Compressed Selective Laser Melted AlSi7Mg and AlSi10Mg Alloys in Chloride Environment

Advanced Engineering Materials, EarlyView.
The corrosion performance of AlSi7Mg and AlSi10Mg alloys produced through selective laser melting (SLM) was examined under compressive stress in a chloride environment. Electrochemical analyses, including open‐circuit potential (OCP), potentiodynamic polarization (CPP), and electrochemical impedance spectroscopy (EIS), were complemented by scanning ...
Femi John Akinfolarin, Samson Dare Oguntuyi, Peter Apata Olubambi   +2 more
wiley   +1 more source

A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection

Advanced Engineering Materials, EarlyView.
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan, Shuvra Saha, Sumit Hassan Eshan, Rinku Basak, Md. Nahian Al Subri Ivan, Ahmed Murtuza Saleque, Raja Tariqul Hasan Tusher, Sadia Zabin, Md. Abdur Rahman, Yuen Hong Tsang   +9 more
wiley   +1 more source

Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones

Advanced Engineering Materials, EarlyView.
A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell, Martha Leach, Hongtao Song, Carolyn Seepersad   +3 more
wiley   +1 more source

Top priority current path between SiC particles during ultra-high temperature flash sintering: Presence of PyC “bridges”

Journal of Advanced Ceramics
Flash sintering (FS) is a novel technique for rapidly densifying silicon carbide (SiC) ceramics. This work achieved a rapid sintering of SiC ceramics by the utilization of ultra-high temperature flash sintering within 60 s.
Le Lu, Tianlong Liu, Zhaofeng Chen, Fei Wang, Mengmeng Yang, Qiong Wu, Lixia Yang, Huanyong Li   +7 more
doaj   +1 more source