Results 51 to 60 of about 370,473 (219)

Recycling of NiTi Shape Memory Alloys: Fundamental and Technological Aspects of a Vacuum Induction Melting Processing Route

open access: yesAdvanced Engineering Materials, EarlyView.
The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee   +7 more
wiley   +1 more source

The ADAPT-HEAT Study: A Multi-Method Approach to Develop Recommendations for Drug Safety During Hot Weather (The CALOR List)—Study Protocol

open access: yesMethods and Protocols
Certain medications may adversely affect health during hot days and heatwaves by altering chronic conditions, comorbidities, fluid balance, or impairing heat adaptation.
Maxie Bunz   +10 more
doaj   +1 more source

Numerical Investigation on the Influence of Hot Streak Temperature Ratio in a High-Pressure Stage of Vaneless Counter-Rotating Turbine

open access: yesInternational Journal of Rotating Machinery, 2007
The results of recent studies have shown that combustor exit temperature distortion can cause excessive heat load of high-pressure turbine (HPT) rotor blades. The heating of HPT rotor blades can lead to thermal fatigue and degrade turbine performance. In
Zhao Qingjun   +3 more
doaj   +1 more source

Experimental Characterization and Constitutive Modeling of the Effect of Prior Inelastic Strain on the Viscoplastic Behavior of AD730 at 700 °C

open access: yesAdvanced Engineering Materials, EarlyView.
This study shows that superalloys used in aircraft engine disks become much more prone to deformation at high temperatures if they have been strained during manufacturing. This effect increases with the level of prior strain but eventually reaches a limit.
Fabio Machado Alves da Fonseca   +9 more
wiley   +1 more source

Trends and Variability in Diurnal Temperature Range in Khuzestan Province (1990-2022) [PDF]

open access: yesHealth in Emergencies & Disasters Quarterly
Background: The diurnal temperature range (DTR), representing the difference between daily maximum temperature (Tmax) and minimum temperature (Tmin), is a vital climatic indicator with significant environmental and public health implications.
Masoumeh Gharaee   +4 more
doaj  

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele   +2 more
wiley   +1 more source

Experimental study of a novel downhole heat exchanger utilizing working fluids for enhanced heat exchange

open access: yesCase Studies in Thermal Engineering
This study designs and assesses a new type of shell and tube downhole heat exchanger (NDHE) equipped with organic working fluid (R32, R134a) to increase the thermal performance of the single well geothermal system.
Dongxi Liu   +6 more
doaj   +1 more source

Impact of Hot Pressing Temperature on Medium Density Fiberboard (MDF) Performance

open access: yesAdvances in Materials Science and Engineering, 2017
Hot pressing temperature is determined according to the performance of boards, type of glue, and production efficiency of hot press. During hot pressing, the thermal energy has enhanced the plasticity of the fiber and created conditions for the ...
W. Gul, A. Khan, A. Shakoor
doaj   +1 more source

Experimental Characterization of Mycelium‐Based Composites Under Multiple Loading Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines the mechanical response of mycelium‐based composites under compression, shear, and tension using mechanical testing and imaging methods. The comparison between unpressed and hot‐pressed specimens shows that hot pressing is associated with higher compression and shear stiffnesses.
Shaghayegh Elahi   +5 more
wiley   +1 more source

Analysis of temperature field of grain and drying medium for grain drying integrated mechanical device.

open access: yesMATEC Web of Conferences, 2018
In order to improve the working efficiency of the drying tower and the hot blast stove in the process of grain drying, this paper proposes a method to solve the problems of air pollution and energy waste caused by excessive combustion or insufficient ...
Wang Heng   +4 more
doaj   +1 more source

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