Results 161 to 170 of about 63,096,043 (317)

Creep‐Induced Microstructural Evolution in an A2‐B2 Superalloy

Advanced Engineering Materials, EarlyView.
A 27.3Ta‐27.3Mo‐27.3Ti‐8Cr‐10Al (at.%) refractory high‐entropy alloy with precipitation‐strengthened A2‐B2 microstructure was studied by creep tests at 1030°C, which demonstrate a transition in deformation mechanisms in the range of 100–150 MPa applied stress. This is associated with changes in dislocation–precipitate interactions. Relevant deformation
Liu Yang, Aparajita Pramanik, Sandipan Sen, Shubhashis Dixit, Marcel Muench, R. J. Vikram, Daniel Schliephake, Yolita M. Eggeler, Ankur Chauhan, Martin Heilmaier, Alexander Kauffmann   +10 more
wiley   +1 more source

MHD hybrid nanofluids and power law heat flux past a permeable surface with Joule heating impact. [PDF]

Discov Nano
Zainal NA, Mohd Kasim AR, Khashi'ie NS, Waini I, Nazar R, Pop I.   +5 more
europepmc   +1 more source

High‐Temperature Nanoindentation of Metals: Assessing Thermal Drift, Frame Compliance, and Chemical Composition Effects on the Reported Mechanical Properties

Advanced Engineering Materials, EarlyView.
Do not let thermal drift and instrument artifacts deceive high‐temperature nanoindentation results. We compare classical Oliver–Pharr and automatic image recognition analyses across steels and a Ni alloy to quantify these effects. Accounting for artifacts reveals systematic softening with temperature, while Cr and Ni additions boost resistance ...
Velislava Yonkova, Steffen Brinckmann, Ruth Schwaiger   +2 more
wiley   +1 more source

Present Situation and Trends in Small Scale Combined Heat and Power (SSCHP) Generation in Latvia

The decisive indicator of the cogeneration plants is their comparatively higher efficiency. The technical and economical efficiency is characterised by the total efficiency coefficient of the cogeneration plant, which is the total amount of the thermal ...
Turlajs, Daniels, Ramata, Anna, Rusovs, Dmitrijs, Birulis, Arnolds   +3 more
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Assessment of downhole heat exchangers in Puna district, Hawaii

, 2007
"Downhole heat exchangers (DHEs) have the potential for use in direct (non-electric) applications of geothermal energy. Their benefit is that no groundwater is extracted from wells.
Geo-Heat Center, Oregon Institute of Technology
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An innovative bio-inspired Aquila technique for efficient solution of combined power and heat economic dispatch problem. [PDF]

Sci Rep
Hakmi SH, Moustafa G, Alnami H, Mansour HSE, Ginidi A.   +4 more
europepmc   +1 more source

Creep Properties and Deformation Mechanism of Additively Manufactured NiAl‐CrMo Composites

Advanced Engineering Materials, EarlyView.
Additively manufactured NiAl‐CrMo composites contain numerous interfaces and cell boundaries that control their creep response. At 700°C under high applied stress, creep is dominated by dislocation‐controlled power‐law mechanisms. At 800°C–900°C and lower stresses, creep is primarily diffusion‐controlled along cell boundaries.
Jan Vollhüter, Andreas Bezold, Johan Westraadt, Katharina Fiegl, Subham Chattoraj, Benjamin Wahlmann, Carolin Körner, Michael Mills, Mathias Göken, Steffen Neumeier   +9 more
wiley   +1 more source

Non-uniform fuel distribution and thermo-mechanical analysis of a 1 MW thermal power micronuclear heat pipe reactor. [PDF]

Heliyon
Aziz U, Koreshi ZU, Khan H, Sheikh SR.
europepmc   +1 more source

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

Advanced 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, Son Tung Mai, Sarath Menon, Braulio Gadiel Sánchez Ortega, Ralf Drautz, Alexander Kauffmann, Gunther Eggeler, Jan Frenzel   +7 more
wiley   +1 more source

Using and Measuring the Combined Heat and Power Advantage

, 2011
Combined Heat and Power (CHP), also known as cogeneration, refers to the integration of thermal energy with power generation. CHP is a powerful energy conservation measure that has been identified as an important greenhouse gas reduction measure with net
John, T.
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