Results 21 to 30 of about 63,728 (311)

Sol–gel processing and characterization of (RE-Y)-zirconia powders for thermal barrier coatings [PDF]

open access: yes, 2011
The effect of doping on the structural, morphological and thermal properties of ZrO2–XO1.5 (X=Y, La, Sm, Er) solid solutions for thermal barrier (TBC) applications was investigated. Oxide powders of various compositions from 9.7 to 40 mol% XO1.5 (X=Y, La,
Ansart, Florence   +9 more
core   +1 more source

Effects of Y content on microstructures and thermal expansion behavior of Mg-Al-Y alloys

open access: yesMaterials Research Express, 2021
Low thermal expansion alloys play an important role in the applications of high-precision instruments because of their excellent dimensional stability under thermal shock. Hence, the effect of Y content on coefficient of thermal expansion (CTE) of Mg-1Al-
Hongbin Ma, Zhuohua Li, Jinhui Wang
doaj   +1 more source

Effect of B2O3 content on the structure and properties of SiO2–B2O3–Al2O3–Na2O system ceramic binder

open access: yesJin'gangshi yu moliao moju gongcheng, 2022
The SiO2–B2O3–Al2O3–Na2O system glass samples and the ceramic binder samples with different B2O3 contents were prepared. The density and the microhardness of different glass samples, the bending strength, the micro morphology and the thermal expansion ...
Zhao WANG   +7 more
doaj   +1 more source

Thermal Expansion of Triaxially Stressed Mudstone at Elevated Temperatures up to 400°C

open access: yesAdvances in Materials Science and Engineering, 2020
In order to study the thermal deformation of the rock that surrounds underground engineering projects with elevated temperatures (e.g., underground coal gasification, coal in situ pyrolysis, in situ oil and gas extraction from oil shale, geothermal ...
Zi-jun Feng   +4 more
doaj   +1 more source

Structure and thermal expansion of the tungsten bronze Pb2KNb5O15 [PDF]

open access: yes, 2014
The structure and thermal expansion behavior of the tetragonal tungsten bronze oxide Pb2KNb5O15 were investigated by neutron powder diffraction and high-temperature X-ray diffraction.
Deng, Jinxia   +9 more
core   +1 more source

Adjustable Thermal Expansion Properties in Zr2MoP2O12/ZrO2 Ceramic Composites

open access: yesFrontiers in Chemistry, 2018
Zr2MoP2O12/ZrO2 composites were successfully synthesized by the solid state method in attempt to fabricate the near-zero thermal expansion ceramics. The phase composition, micromorphology and thermal expansion behavior of the Zr2MoP2O12/ZrO2 composites ...
Hongfei Liu   +7 more
doaj   +1 more source

A novel modification method for the dynamic mechanical test using thermomechanical analyzer for composite multi-layered energetic materials

open access: yesDefence Technology, 2023
Herein, we present a thermo-mechanical analyzer (TMA) and dynamic mechanical analyzer (DMA) of composite multi-layered gun propellant, focusing on thermal expansion coefficients and dynamic thermomechanical properties.
Le Qi   +4 more
doaj   +1 more source

Effectively control negative thermal expansion of single-phase ferroelectrics of PbTiO3-(Bi,La)FeO3 over a giant range [PDF]

open access: yes, 2013
Control of negative thermal expansion is a fundamentally interesting topic in the negative thermal expansion materials in order for the future applications. However, it is a challenge to control the negative thermal expansion in individual pure materials
Deng, Jinxia   +7 more
core   +1 more source

Thermal Deformation of Granite under Different Temperature and Pressure Pathways

open access: yesAdvances in Materials Science and Engineering, 2019
The thermal cracking of rocks is the phenomenon of expansion and deformation of mineral particles inside the rocks. The thermal deformation of the same granite sample under different heating pathways was meticulously analyzed, and the effect of the ...
Peng Zhao, Zi-jun Feng
doaj   +1 more source

Synthesis of Zr2WP2O12/ZrO2 Composites with Adjustable Thermal Expansion

open access: yesFrontiers in Chemistry, 2017
Zr2WP2O12/ZrO2 composites were fabricated by solid state reaction with the goal of tailoring the thermal expansion coefficient. XRD, SEM and TMA were used to investigate the composition, microstructure, and thermal expansion behavior of Zr2WP2O12/ZrO2 ...
Zhiping Zhang   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy