نتایج جستجو برای: temperature dependent material

تعداد نتایج: 1430111  

2009
Fengqi Song Longbing He Min Han Jianguo Wan Guanghou Wang

Pb nanoclusters were deposited onto a suspended carbon nanowire (CNW), where in situ temperature variable observation was carried out by a transmission electron microscope. The heating temperature was up to 450 °C. Both the melting and evaporation of the Pb nanoparticles on the CNW were retarded when compared to the particles on the support frame. The obvious temperature difference of up to 10 ...

2015

Second-order shear deformation theory (SSDT) is employed to analyze vibration of temperature-dependent solar functionally graded plates (SFGP’s). Power law material properties and linear steady-state thermal loads are assumed to be graded along the thickness. Two different types of SFGP’s such as ZrO2/Ti-6Al-4V and Si3N4/SUS304 are considered. Uniform, linear, nonlinear, heat-flux and sinusoida...

Journal: :SIAM Journal of Applied Mathematics 2000
Hong Zhou M. Gregory Forest Qi Wang

Super-strength, lightweight materials used in bullet-proof vests, high-performance cables and tires, and stealth airplanes are built from liquid crystalline polymer (LCP) bers. The remarkable strength properties are dominated by molecular alignment achieved as a result of the complex interactions at play in ber processes. The ber manufacturing process begins with a high temperature liquid phase...

2010
Urs Heine Klaus Betzler Manfred Burianek Manfred Mühlberg

The temperature dependent band edge energy of the novel tungsten bronze type calcium barium niobate (CBN) is measured over a temperature range from 80 K to 573 K. CBN has been under investigation for serveral years and is believed to be a promising material for future applications. Czochralski-grown, colorless single crystals from the congruently melting composition with a calcium content of 0....

2016
Pengfei Ji Yuwen Zhang

By combining ab initio quantum mechanics calculation and Drude model, electron temperature and lattice temperature dependent electron thermal conductivity is calculated and implemented into a multiscale model of laser material interaction, which couples the classical molecular dynamics and two-temperature model. The results indicated that the electron thermal conductivity obtained from ab initi...

2016
Keizo Murata

Trie Hall coefficient, Ru (T) for organic conductors is strongly temperature dependent even if they are metallic. The temperature dependence of Ru (T) is found tu exhibit uneto-one correspondence with trie structure of the Fermi surface, hence con be called "Standard" for each surface. Ii turned Dut that the simple temperature-independent Ru (T) is only realized in a material where trie Fermi s...

2007
Scott F. Miller Albert J. Shih

Friction drilling uses a rotating conical tool to penetrate the workpiece and create a bushing in a single step without generating chips. This research investigates the threedimensional (3D) finite element modeling (FEM) of large plastic strain and hightemperature work-material deformation in friction drilling. The explicit FEM code with temperature-dependent mechanical and thermal properties, ...

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