The melting behavior of aluminum nanoparticles having an oxide passivation layer is examined using a differential scanning calorimetry (DSC). Both broad and narrow size-distributed particles are studied, and the weight-average particle radius ranges from 8 to 50
Results showed that the addition of aluminum nanoparticles could prominently lower the laser initiation energy of the RDX-based explosives. The RDX doped with aluminum nanoparticles could be reliably initiated with 1.5 2 laser energy (1064 nm, 8
Besides, the melting behavior Pd-Ag nanoparticles is explored using molecular dynamics simulations and Lindemann index is employed to indicate the melting point. It is found that the melting points increase as the size increases and the icosahedral shape
With regard to oxidation behavior of Al nanoparticles, Rai, Park, Zhou, and Zachariah (2006) believe that oxidation occurs in two prior to melting of aluminum, slow oxidation occurs by diffusion of oxygen through aluminum oxide above
The melting behavior of aluminum nanoparticles having an oxide passivation layer is examined using a differential scanning calorimetry (DSC). Both broad and narrow size
An experimental study was conducted to investigate the transient melting and heat transfer behavior of nanoparticle-PCM mixtures in a rectangular enclosure. Four types of nanoparticles, silver, copper oxide, aluminum oxide and multi-walled carbon nanotubes were
Aluminum (Al) nanopowders have increasingly gained attention because of their potential incorporation in explosive and propellant mixtures. This paper reports on a qualitative study on influence of humidity on the thermal behavior of Al nanopowders and the oxidation
defects, lower melting points, and smaller character-istic times for mass and energy transport. This study explores some of the fundamental issues concerning the behaviors of nano-sized aluminum particles with oxide layers, with emphasis placed on
Molecular dynamics simulations are performed to determine the melting points of aluminum nanoparticles of atoms with the Rev. B 1994, 50, variable-charge electrostatic plus potential. The melting of the nanoparticles is
Constrained melting of ice as a PCM in an inclined elliptical annulus. Using of enthalpy-based lattice Boltzmann method (LBM). Porous material is made of alloys of Nickel and Steel. Use of porous matrix is recommended for prolate and inclined
defects, lower melting points, and smaller character-istic times for mass and energy transport. This study explores some of the fundamental issues concerning the behaviors of nano-sized aluminum particles with oxide layers, with emphasis placed on
Molecular dynamics simulations were performed to study the thermo-mechanical behavior of nano aluminum particles coated with crystalline and amorphous oxide layers during melting. The analysis employs the potential, along with micro
Molecular-dynamics simulations are performed using (NPH) ensembles to predict the melting of nanosized aluminum particles in the range of nm and to investigate the effect of surface charge development on the melting. Five different
Microstructural Behavior of the Alumina Shell and Aluminum Core Before and After Melting of Aluminum Nanoparticles Dudi Adi Firmansyah Kyle Sullivan Kwang-Sung Lee Yong Ho Kim Riyan Zahaf Michael R. Zachariah * and Donggeun Lee *
Molecular dynamics (MD) simulations were performed to investigate the role of core volume fraction and number of fusing nanoparticles (NPs) on the melting and solidification of and bimetallic NPs during a superfast heating and slow cooling process, roughly mimicking the conditions of selective laser melting
Molecular dynamics simulations are performed to determine the melting points of aluminum nanoparticles of atoms with the Rev. B 1994, 50, variable-charge electrostatic plus potential. The melting of the nanoparticles is characterized by studying the temperature dependence of the potential energy and Lindemann index. Nanoparticles
J. Sun, S.L. Simon, The melting behavior of aluminum nanoparticles, Thermochim. Acta 463 The simulated melting points of gold nanoparticles are between K,
Aluminum-Al3Ti reinforced MMCs were produced with a large amount (up to of Al3Ti phase via mechanical alloying, hot extrusion and heat
The discovery of the unusual melting and solidification of materials that contain nanoparticles will not only have impacts on existing melting and solidification manufacturing processes, such as
Melting behavior and phase diagram prediction in the Sn-rich corner of the ternary S.L. Simon, The melting behavior of aluminum nanoparticles, Ther-mochim. Acta 463
Aluminum-Al3Ti reinforced MMCs were produced with a large amount (up to of Al3Ti phase via mechanical alloying, hot extrusion and heat
Molecular dynamics simulations were performed to study the thermo-mechanical behavior of nano aluminum particles coated with crystalline and amorphous oxide layers during melting. The analysis employs the potential, along with micro
Molecular dynamics (MD) simulations were performed to investigate the role of core volume fraction and number of fusing nanoparticles (NPs) on the melting and solidification of and bimetallic NPs during a superfast heating and slow cooling process, roughly mimicking the conditions of selective laser melting
Syndiotactic polystyrene (sPS) containing 3, 5, 7, and 10 of aluminum oxide (Al 2 O 3) nanoparticles were prepared following the technique.The thermal behavior of the 2 O 3 nanocomposites was investigated through differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and melt flow index (MFI).
Superheating and melting within aluminum core-oxide shell nanoparticles for a broad range of heating multiphysics phase field modeling. Hwang YS(1), Levitas VI(2). Author (1)Department of Aerospace Engineering, Iowa
Here, we show that aluminum reinforced by nanoparticles can be deposited layer-by-layer via laser melting of nanocomposite powders, which enhance
Using MD simulations I have investigated various metallic nano-particle systems including gold nanoparticles coated with an organic self-assembled monolayer (SAM), the self-propagating high-temperature synthesis (SHS) reaction of nickel and
Molecular dynamics simulations were performed to study the thermo-mechanical behavior of nano aluminum particles coated with crystalline and amorphous oxide layers during melting. The analysis employs the potential, along with micro
Thermodynamic modeling and molecular dynamic (MD) simulations are discussed regarding the melting behavior of different nanostructures, such as spherical nanoparticles and nanowires. The currently available measurement techniques by using classical differential scanning calorimetry (DSC), recently developed nanocalorimeters, transmission electron microscope (TEM), and
Aluminum oxide nanoparticles can be synthesized by many techniques including ball milling, sol-gel, pyrolysis, sputtering, hydrothermal, and laser ablation. The laser ablation is a commonly used technique to produce nanoparticles, since it can be synthesized in gas, vacuum or