Results 61 to 70 of about 352,526 (370)

Kinetic Analysis of Illite Dehydroxylation Based on Differential Scanning Calorimetry [PDF]

, 2019
The two-step dehydroxylation of illite is studied using the differential scanning calorimetry on powder samples with heating rates from 1 to 10 ${\deg}$C min$^{-1}$ in a dynamic argon atmosphere. The values of apparent activation energy and pre-exponential factor are calculated using the Kissinger method.
arxiv   +1 more source

Vacuum‐Formed Composites Based on a Polyolefin and a High Content of Biomass‐Waste Fillers

Advanced Engineering Materials, EarlyView.
It is shown here that by the use of a very ductile polymer matrix, it is possible to vacuum‐form products that contain up to 25% of hard biofillers with still ductile properties. The results are promising and opens up for the use of engineered biocomposites derived from industrial side‐stream biofillers in vacuum‐formed products. A strategy to increase
Susanna K. Källbom, Tuomo P. Kainulainen, Xin‐Feng Wei, Antonio J. Capezza, Daniel Helgesson, Richard T. Olsson, Mikael S. Hedenqvist   +6 more
wiley   +1 more source

Preparation and Thermal Modification of Disentangled Ultrahigh‐Molecular‐Weight Polyethylene Particles for Powder‐Based Additive Manufacturing

Advanced Engineering Materials, EarlyView.
Ultrahigh‐molecular‐weight polyethylene powders (<≈40 μm) with a bulk density of 260 g L−1 are prepared from a silica supported bisimine pyridine iron catalyst. The nascent product is disentangled and can be thermally densified without loss of its low viscosity.
Adrian Vaghar, Georgij Jegorenkov, Yunus Kutlu, Andreas Ostendorf, Gerrit A. Luinstra   +4 more
wiley   +1 more source

Differential Scanning Calorimetry (DSC) Analyses Of Superelastic And Nonsuperelastic Nickel-Titanium Orthodontic Wires [PDF]

, 1996
The purpose of this study was to determine the transformation temperatures for the austenitic, martensitic, and rhombohedral (R) structure phases in representative as-received commercial nitinol (NiTi) orthodontic wire alloys, to reconcile discrepancies ...
Bradley, T. Gerard, Brantley, William A., Culbertson, Bill M.   +2 more
core   +3 more sources

Performance Comparison of Surface Sensitizers for Diode Laser Powder Bed Fusion of Polyamide 12

Advanced Engineering Materials, EarlyView.
Laser‐generated nanoparticles transform standard PA12 powders into high‐performance, dye‐free feedstocks for diode laser 3D printing. Despite identical absorbance at 808 nm, CuS, LaB6, and CB coatings reveal striking differences in fusion and strength—unlocking new design space for recyclable, industrial‐grade polymers.
Michael Willeke, Alexander Sommereyns, Simon Leupold, Arne Lüddecke, Arno Kwade, Nick Hantke, Jan T. Sehrt, Michael Schmidt, Anna R. Ziefuss, Stephan Barcikowski   +9 more
wiley   +1 more source

Differential Scanning Calorimetry for Determining the Thermodynamic Properties of Selected Honeys

Journal of Apicultural Science, 2015
Thermodynamic properties of selected honeys: glass transition temperature (Tg), the change in specifi c heat capacity (ΔCp), and enthalpy (ΔH) were analysed using differential scanning calorimetry (DSC) in relation to the composition i.e. water and sugar
Tomaszewska-Gras Jolanta, Bakier Sławomir, Goderska Kamila, Mansfeld Krzysztof   +3 more
doaj   +1 more source

Synthesis and Thermal Stability of Cubic ZnO in the Salt Nanocomposites [PDF]

Russian Chemical Bulletin, 59 [2] 325-328 (2010), 2011
Cubic zinc oxide (rs-ZnO), metastable under normal conditions, was synthesized from the wurtzite modification (w-ZnO) at 7.7 GPa and ~800 K in the form of nanoparticles isolated in the NaCl matrix. The phase transition rs-ZnO \rightarrow w-ZnO in nanocrystalline zinc oxide under ambient pressure was experimentally studied for the first time by ...
arxiv   +1 more source

Early stage of crystallization of (Zr1-xHfx)62Ni38 metallic glasses [PDF]

, 1984
This paper reports a directly observable correlation between the chemical short-range order and the electrical resistivity in metallic glasses. The phase transition corresponding to the first exotherm observed in a differential-scanning-calorimetry (DSC)
Johnson, W. L., Matijasevic, V., Schulz, Robert   +2 more
core   +1 more source

CALPHAD‐Guided Prediction and Interpretation of Phase Formation in Ta–Mo–Cr–Ti–Al Refractory High‐Entropy Alloys

Advanced Engineering Materials, EarlyView.
This study designs Ta–Mo–Cr–Ti–Al refractory high‐entropy alloys with a disordered body‐centered‐cubic A2 crystal structure aiming for improved ductility, lower density, and oxidation resistance. Four alloy compositions are identified by thermodynamic calculations.
Kateryna Khanchych, Chongchong Tang, Carsten Schroer, Björn Schäfer, Judith Jung, Michael Dürrschnabel, Ute Jäntsch, Bronislava Gorr   +7 more
wiley   +1 more source

Crystallization Kinetics of the Fe₆₈Nb₆B₂₃Mo₃ Glassy Ribbons Studied by Differential Scanning Calorimetry

Crystals, 2022
Fe-based metallic glass has wide industrial application due to its unique mechanical behavior and magnetic properties. In the present work, the non-isothermal crystallization kinetics in Fe68Nb6B23Mo3 glassy alloys were investigated by differential ...
Yongqin Liu, Man Zhu, Yuanyuan Du, Lijuan Yao, Zengyun Jian   +4 more
doaj   +1 more source