Results 21 to 30 of about 21,053 (308)

A dual-transmission-bands rasorber with improved absorption and oblique incidence performance

Scientific Reports, 2022
In this paper, a high-absorption and dual-transmission-bands rasorber (HADTR) was proposed. Different from the reported designs, a foam layer and a FR4 layer are added as top layers in HADTR to improve its absorption and oblique incidence performance ...
Zheyipei Ma, Chao Jiang, Jiale Li, Xiaozhong Huang   +3 more
doaj   +1 more source

Ultrahigh energy density in dielectric nanocomposites by modulating nanofiller orientation and polymer crystallization behavior

Advanced Powder Materials
High-energy density dielectrics for electrostatic capacitors are in urgent demand for advanced electronics and electrical power systems. Poly(vinylidene fluoride) (PVDF) based nanocomposites have attracted remarkable attention by intrinsic high ...
Ru Guo, Hang Luo, Di Zhai, Zhida Xiao, Haoran Xie, Yuan Liu, Fan Wang, Xun Jiang, Dou Zhang   +8 more
doaj   +1 more source

Introduction of nanoscale additives in the process of modification of energy-saturated heterogeneous composite material

Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2019
The article describes a possible way of introducing nanoscale powders into energy-saturated heterogeneous composite materials (ECM). By the example of polydispersed nanoscale carbon, the main well-known methods for introducing nanoscale components into ...
A. Ph. Ilyushchanka, Ya. Ya. Piatsiushyk, A. K. Kryvanos   +2 more
doaj   +1 more source

MODIFICATION OF THE ENERGY-SATURATED HETEROGENEOUS COMPOSITE MATERIAL BY CYCLIC NITRAMINES

Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
Several methods have been described for increasing the main characteristics (density, heat of combustion, combustion temperature, gas formation index) and operating properties (combustion speed and temperature, total and specific impulse, properties of ...
A. Ph. Ilyushchanka, Ya. Ya. Piatsiushyk, A. K. Kryvanos   +2 more
doaj   +1 more source

Formalization of the process and development of an algorithm for solid-phase mixing of components of a heterogeneous composite material

Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
The article considers one of the approaches to modeling the process of mixing of polydisperse powders, which includes three main fractions of different sizes, the shape of which is close to spherical.
A. Ph. Ilyushchanka, V. M. Buloichyk, A. K. Kryvanos, Ya. Ya. Piatsiushyk   +3 more
doaj   +1 more source

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

Advanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt, Varma Kvvssn, Hossein Laieghi, Zia Uddin, Peyman Ansari, E. Kıvanç Sadak, Can Barış Toprak, Hüseyin Kızıl, Enrico Salvati   +8 more
wiley   +1 more source

Fabrication of a Porous TiNi₃ Intermetallic Compound to Enhance Anti-Corrosion Performance in 1 M KOH

Metals
Porous intermetallic compounds have the properties of porous materials as well as a combination of covalent and metallic bonds, and they exhibit high porosity, structural stability, and corrosion resistance.
Zhenli He, Yue Qiu, Yuehui He, Qian Zhao, Zhonghe Wang, Yao Jiang   +5 more
doaj   +1 more source

Effects of process parameters on microstructure and cracking susceptibility of a single crystal superalloy fabricated by directed energy deposition

Materials & Design, 2021
As an advanced material forming method, additive manufacturing (AM) has been rapidly developed in many industry fields. Due to the non-weldability of nickel-based single crystal (SX) superalloys and complex solidification and stress conditions of AM ...
Zhipeng Zhou, Qian Lei, Zhou Yan, Zi Wang, Yijing Shang, Yunping Li, Huan Qi, Liang Jiang, Yong Liu, Lan Huang   +9 more
doaj   +1 more source

Laser Metal Deposited Ti4822 Hollow Pipe: Experimental and Computational Modelling Study

Advanced Engineering Materials, EarlyView.
Laser metal deposition (LMD) of a crack‐free built Ti4822 alloys is challenging. This article reports outstanding characteristics of a hollow pipe that is built with LMD technology when a predicted, nontransformation substrate temperature of 800 °C is used.
Sadiq A. Raji, Monnamme Tlotleng, Samuel Skhosane, Lehlogonolo R. Kanyane, Abimbola P. I. Popoola, Sisa L. Pityana   +5 more
wiley   +1 more source

Integrated Computational Materials Engineering (ICME) for Developing Aluminum Alloys

Journal of Aeronautical Materials, 2017
The ICME (Integrated Computational Materials Engineering) for aluminum alloys was applied to combine key experiments with multi-scale numerical simulations from nano (10-10-10-8 m) to micro (10-8-10-4 m) to meso (10-4-10-2 m) and to macro (10-2-10 m ...
DU Yong, LI Kai, ZHAO Pizhi, YANG Mingjun, CHENG Kaiming, WEI Ming, KONG Yi, LIU Siliang, XU Huixia, TA Na, XU Kai, ZHANG Fan, LI Han, JIN Zhanpeng   +13 more
doaj   +1 more source