Results 111 to 120 of about 62,678 (311)

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

open access: yesAdvanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi   +3 more
wiley   +1 more source

Thermal Conductivity of Freely Patterned Pine and Spruce Needles [PDF]

open access: yes
The aim of the study is to clarify thermal conductivity coefficient of freely patterned pine and spruce needles. Heat flow measurements were made according to the two-factor experimental design and analysis of the full experimental design was made.
Muižniece, Indra   +2 more
core  

THERMAL CONDUCTIVITY OF GASES AND GAS MIXTURES, AND THERMAL ACCOMMODATION COEFFICIENT OF GASES ON METAL SURFACES. [PDF]

open access: yes, 1981
THERMAL CONDUCTIVITY OF GASES AND GAS MIXTURES, AND THERMAL ACCOMMODATION COEFFICIENT OF GASES ON METAL ...
RAHIM. AFSHAR (7968773)
core  

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

open access: yesAdvanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal   +3 more
wiley   +1 more source

Novos materiais com ferro, com alta condutividade iónica de oxigénio [PDF]

open access: yes, 2006
Doutoramento em Ciência e Engenharia de MateriaisPretende-se com este trabalho avaliar o potencial de novos materiais para aplicações de alta temperatura, nomeadamente membranas para separação de oxigénio e oxidação parcial de hidrocarbonetos, e pilhas ...
Shaula, Aliaksandr
core   +1 more source

Synthesis and Properties of Highly Efficient Thermoelectric Materials Based on Lead Telluride with Antimony and Silver Impurity

open access: yesФізика і хімія твердого тіла, 2016
The paper presents the results of research of X-ray diffraction and thermoelectric parameters (thermoelectric coefficient α, electrical conductivity σ and thermal conductivity coefficient k) of materials based on Lead Telluride: PbTe, PbTe:Sb, PbTe ...
D. M. Freik   +5 more
doaj   +1 more source

Defect Evolution and Mechanical Performance of Fused Filament Fabrication‐Manufactured 17‐4PH Stainless Steel Revealed by X‐Ray Computed Tomography

open access: yesAdvanced Engineering Materials, EarlyView.
X‐ray computed tomography reveals how process‐induced defects evolve from green to sintered states in Fused Filament Fabrication (FFF)‐manufactured 17‐4PH stainless steel. Internal porosity, weakest cross‐sections, and fracture locations show strong correlation with tensile performance, demonstrating the potential of computed tomography (CT)‐based ...
György Ledniczky   +3 more
wiley   +1 more source

Heat Transfer and Thermal Expansion of Coefficient EP -(MWCNT/x-TiO2)Nanocomposites

open access: yesJournal of Engineering, 2018
The thermal properties (thermal transfer and thermal expansion coefficient) of the enhanced epoxy resin (MWCNT / x-TiO2) were studied by weight ratios with the values (0%, 3%, 5%, 7% and 10%) and a constant ratio of 3% of MWCNT. The ultrasonic technology
Dhilal Amer Sabar, Fadhil K. Farhan
doaj   +1 more source

Electrified Damage in Motion Systems

open access: yesAdvanced Engineering Materials, EarlyView.
The electrified damage in motion systems is a fundamental framework presenting the degradation pathway arising from the coupling of electrical energy transport with mechanical contact and interfacial chemistry. The framework positions electrified damage as a distinct degradation regime with unique characteristic surface morphologies and failures of ...
M. Humaun Kabir   +2 more
wiley   +1 more source

Identification algorithms for thermal conductivity coefficient of wood using the inverse problem [PDF]

open access: yes, 2016
A realization for the challenges of thermal conductivity coefficient identification of wood by using the inverse heat conduction problem is proposed. An overview of mathematical tools involved in the construction of a mathematical model of the experiment
Mironov, A., Ved, V. E., Lushpenko, S.
core  

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