Effective thermal expansion coefficient of a sintered glass–eucryptite composite
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science"
DOI: 10.1007/s10853-017-1298-9
Abstract: The paper focuses on a glass–ceramic composite consisting of lead borate glass matrix containing isolated eucryptite granules (hereafter called inhomogeneities) having negative thermal expansion coefficient. We discuss the dependence of the overall thermal expansion on… read more here.
Keywords: expansion; glass; effective thermal; expansion coefficient ... See more keywords
Avoiding the intermediate phase Zr2WP2O12 to develop a larger-negative-thermal-expansion-coefficient material Zr2W2P2O15
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.02.102
Abstract: Abstract Zr 2 W 2 P 2 O 15 with larger-negative-thermal-expansion-coefficient (NTEC, −4.01×10 −6 K −1 , 143–673 K) is developed by controlling reaction process to avoid the intermediate phase of Zr 2 WP 2 O… read more here.
Keywords: negative thermal; phase; larger negative; expansion coefficient ... See more keywords
Hoberman-sphere-inspired lattice metamaterials with tunable negative thermal expansion
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2018.01.108
Abstract: © 2018 Elsevier Ltd Materials with engineered thermal expansion coefficients, capable of avoiding failure or irreversible destruction of structures and devices, are important for aerospace, civil, biomedical, optics, and semiconductor applications. In natural materials, thermal… read more here.
Keywords: negative thermal; expansion; expansion coefficient; thermal expansion ... See more keywords
Structure, thermal expansion coefficient and phase stability of La 2 (Zr 0.7 Ce 0.3 ) 2 O 7 studied by molecular dynamic simulation and experiment
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2018.02.060
Abstract: Abstract This paper presents structure, thermal expansion coefficient and phase stability of La2(Zr0.7Ce0.3)2O7 (LZ7C3) ceramic by both theoretical and experimental results. It was found out that LZ7C3 powders had a pyrochlore structure after being heat-treated… read more here.
Keywords: thermal expansion; expansion coefficient; phase stability; structure ... See more keywords
Thermal expansion coefficient measurement from electron diffraction of amorphous films in a TEM.
Sign Up to like & getrecommendations! Published in 2018 at "Ultramicroscopy"
DOI: 10.1016/j.ultramic.2018.02.003
Abstract: We measured the linear thermal expansion coefficients of amorphous 5-30 nm thick SiN and 17 nm thick Formvar/Carbon (F/C) films using electron diffraction in a transmission electron microscope. Positive thermal expansion coefficient (TEC) was observed in SiN… read more here.
Keywords: electron diffraction; thermal expansion; expansion coefficient; expansion ... See more keywords
Micro-Structured Two-Component 3D Metamaterials with Negative Thermal-Expansion Coefficient from Positive Constituents
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep40643
Abstract: Controlling the thermal expansion of materials is of great technological importance. Uncontrolled thermal expansion can lead to failure or irreversible destruction of structures and devices. In ordinary crystals, thermal expansion is governed by the asymmetry… read more here.
Keywords: expansion; expansion coefficient; thermal expansion; positive constituents ... See more keywords
Isotope effect on the thermal expansion coefficient of atomically thin boron nitride
Sign Up to like & getrecommendations! Published in 2021 at "2D Materials"
DOI: 10.1088/2053-1583/ac0730
Abstract: Atomically thin monoisotopic hexagonal boron nitride (BN) which is electrically insulating and has a high thermal conductivity could be utilized as fillers in electronic packaging materials for thermal dissipation in integrated and miniaturized modern devices.… read more here.
Keywords: boron nitride; expansion coefficient; isotope effect; atomically thin ... See more keywords
Influence of High-Thermal-Conductivity Plastic With Negative Thermal Expansion Coefficient on Cooling Performance in Conduction-Cooled HTS Coils
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Applied Superconductivity"
DOI: 10.1109/tasc.2017.2777837
Abstract: We evaluated an insulative-high-conduction plastic (IHCP) sheet, which had high thermal conductivity perpendicular to its plane, as an electrical insulation sheet in a high-temperature superconducting (HTS) coil. Thermal conductivity of the IHCP was measured at… read more here.
Keywords: negative thermal; high thermal; thermal conductivity; expansion coefficient ... See more keywords
Thermal expansion coefficient of BCC defective substitutional alloy AB with interstitial atom C
Sign Up to like & getrecommendations! Published in 2019 at "Modern Physics Letters B"
DOI: 10.1142/s0217984919501653
Abstract: The analytic expressions for the free energy, the concentration of equilibrium vacancies, the isothermal compressibility, the thermal expansion coefficient and the heat capacities at constant volume and at constant pressure of BCC substitutional alloy AB… read more here.
Keywords: atom; thermal expansion; expansion coefficient; interstitial atom ... See more keywords
Multiscale Thermoelastic Analysis of the Thermal Expansion Coefficient and of Microscopic Thermal Stresses of Mature Concrete
Sign Up to like & getrecommendations! Published in 2019 at "Materials"
DOI: 10.3390/ma12172689
Abstract: The thermal expansion coefficient and the microscopic thermal stresses of mature concrete depend on its microstructural composition and the internal relative humidity. This dependence is determined by means of thermoelastic multiscale analysis of concrete. The… read more here.
Keywords: microscopic thermal; thermal expansion; expansion coefficient; coefficient microscopic ... See more keywords
Calculation of Thermal Expansion Coefficient of Rare Earth Zirconate System at High Temperature by First Principles
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15062264
Abstract: Compounds of rare earth zirconates with pyrochlore structure are candidates for the application of thermal barrier coatings of next generation. In order to modify the mechanic properties and maintain the low thermal conductivity, other trivalent… read more here.
Keywords: expansion coefficient; thermal expansion; high temperature; expansion ... See more keywords