Results 31 to 40 of about 63,728 (311)

Effect of SiC content on properties of copper matrix composites

open access: yesJin'gangshi yu moliao moju gongcheng, 2023
SiC/Cu composites were prepared by hot-pressing powder metallurgy with Al and Mg elements, and the effect of SiC volume percentage on the properties of SiC/Cu composites was studied.
Jianing CAI   +5 more
doaj   +1 more source

Graphene Origami with Highly Tunable Coefficient of Thermal Expansion [PDF]

open access: yes, 2020
The coefficient of thermal expansion, which measures the change in length, area, or volume of a material upon heating, is a fundamental parameter with great relevance for many applications.
Schwingenschlögl, Udo   +4 more
core   +1 more source

Features of the Chromium thermal expansion in a wide temperature range [PDF]

open access: yesE3S Web of Conferences
The thermal expansion of polycrystalline Chromium in the temperature range of 95–1673 K by the dilatometric method has studied. Critical indices and amplitudes of the thermal expansion coefficient in the magnetic phase transition are determined.
Kozlovskii Yurii, Stankus Sergei
doaj   +1 more source

Design optimization of multifunctional metamaterials with tunable thermal expansion and phononic bandgap

open access: yesMaterials & Design, 2021
Metamaterials have been extensively investigated owing to their unusual properties. However, the design of multifunctional metamaterials requires further investigation.
Xing Zhang   +4 more
doaj   +1 more source

Thermal expansion coefficient and lattice anharmonicity of cubic boron arsenide [PDF]

open access: yes, 2019
Recent measurements of an unusual high thermal conductivity of around 1000 W m-1 K-1 at room temperature in cubic boron arsenide (BAs) confirm predictions from theory and suggest potential applications of this semiconductor compound for thermal ...
Chen, Xi   +8 more
core   +2 more sources

Determination of silicate liquid thermal expansivity using dilatometry and calorimetry [PDF]

open access: yes, 1992
A method for the determination of relaxed silicate liquid molar volume and expansivity at temperatures just above the glass transition is discussed. The method involves the comparison of heat capacity and molar expansivity in the glass transition region.
Knoche, Ruth   +2 more
core   +1 more source

Experimental Study on Thermal Expansion Behavior of Concrete under Three-Dimensional Stress

open access: yesAdvances in Civil Engineering, 2021
Concrete is widely used in underground engineering and bears three-dimensional stress transmitted by overlying load. When a fire occurs, the thermal expansion of concrete structure under such stress state is different from that under stress-free state ...
Zhipeng Yu   +5 more
doaj   +1 more source

Study of the Coefficient of Thermal Expansion for Steel Q235 [PDF]

open access: yes, 2011
The dynamic coefficient of thermal expansion for steel Q235 during cooling was investigated using experimental measurements and model calculations. The coefficient of thermal expansion under 1400°С was measured with a thermal dilatometer. The coefficient
Xiang Dong Li   +2 more
core   +1 more source

Nova metodologia para aferição da temperatura final de hastes metálicas em um experimento de dilatação térmica linear

open access: yesRevista Brasileira de Ensino de Física
Para realizar o estudo da expansão térmica em diversos materiais é necessário conhecer o seu coeficiente de dilatação linear, mas em alguns casos é difícil medir a temperatura final do corpo em estudo.
Bruno Gonçalves   +4 more
doaj   +1 more source

Coefficients of Thermal Expansion of Al- and Y-Substituted NaSICON Solid Solution Na3+2xAlxYxZr2−2xSi2PO12

open access: yesBatteries, 2018
Because of an increasing interest in NaSICON materials as electrolyte materials in all-solid state sodium batteries, their thermal expansion was investigated in this study.
Sahir Naqash   +3 more
doaj   +1 more source

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