Results 121 to 130 of about 1,722,078 (332)

Development of a Novel Processing Route for Dispersoid/Precipitation‐Strengthened High Conductive Copper Alloys by Using Metalized Nanoceramics in Additive Manufacturing

Advanced Engineering Materials, EarlyView.
This study explores a process chain to produce dispersoid‐strengthened CuCr1Zr for applications requiring high strength and conductivity. Using gas‐atomized powder and copper‐plated alumina nanoparticles, additive manufacturing is performed via powder bed based additive manufacturing with green and red lasers, followed by heat treatment.
Heinrich von Lintel, Abdelrahman Elsayed, Lukas Mielewczyk, Katja Eichmann, Julia Grothe, Ulrich Krupp, Avinash Hariharan, Katrin Jahns   +7 more
wiley   +1 more source

Determination of resonances in Gamow window for 12C+12C fusion reaction via thick-target inverse kinematics method

Physics Letters B
The 12C+12C fusion reaction at deep subbarrier energies is important for understanding the carbon burning process in massive star and explosive binary systems.
Weike Nan, Youbao Wang, Jun Su, Yaode Sheng, Richard James deBoer, Yuqiang Zhang, Luyang Song, Fuqiang Cao, Chen Chen, Chao Dong, Yunju Li, Zhihong Li, Gang Lian, Wei Nan, Yangping Shen, Na Song, Shengquan Yan, Seng Zeng, Bing Guo, Weiping Liu   +19 more
doaj  

Coupled quintessence and the impossibility of an interaction: a dynamical analysis study

European Physical Journal C: Particles and Fields, 2017
We analyze the coupled quintessence in the light of the linear dynamical systems theory, with two different interactions: (1) proportional to the energy density of the dark energy and (2) proportional to the sum of the energy densities of the dark matter
Fabrízio F. Bernardi, Ricardo G. Landim
doaj   +1 more source

Holographic Dark Energy in Modified Barrow Cosmology. [PDF]

Entropy (Basel), 2023
Sheykhi A, Hamedan MS.
europepmc   +1 more source

Trans‐Conductive Melt Pool Scaling and its Implications for Parameter Transfer in Laser Powder Bed Fusion for Metals with High Thermal Diffusivity

Advanced Engineering Materials, EarlyView.
Developing process parameters for the laser‐based Powder Bed Fusion of metals can be a tedious task. Based on melt pool depth, the process parameters are transferable to different laser scan speeds. For this, understanding the melt pool scaling behavior is essential, particularly for materials with high thermal diffusivity, as a change in scaling ...
Markus Döring, Matthias Gehring, Michael Schmidt   +2 more
wiley   +1 more source

Constraining Extended Teleparallel Gravity via Cosmography: A Model-independent Approach

The Astrophysical Journal
As a classical approach, the dynamics of the Universe, influenced by its dark components, are unveiled through prior modifications of Einstein’s equations.
Sai Swagat Mishra, N. S. Kavya, P. K. Sahoo, V. Venkatesha   +3 more
doaj   +1 more source

A Perspective on Powder Metallurgy and Additive Manufacturing of High‐Nitrogen Alloyed Stainless Steels

Advanced Engineering Materials, EarlyView.
This perspective article explores an innovative powder metallurgical approach to producing high‐nitrogen steels by utilizing a mixture of stainless steel and Si3N4. This mixture undergoes hot isostatic pressing followed by direct quenching. The article also examines adapting this method to laser powder bed fusion (PBF‐LB/M) to overcome nitrogen ...
Louis Becker, Felix Radtke, Jonathan Lentz, Simone Herzog, Christoph Broeckmann, Sebastian Weber   +5 more
wiley   +1 more source

Dynamical system analysis of interacting dark energy in LRS Bianchi type I cosmology. [PDF]

Sci Rep, 2023
Rathore S, Singh SS.
europepmc   +1 more source

Dark energy and Dark matter

This paper investigates the dynamic interplay between dark energy and dark matter using an optimized energy cycle framework. Observational data from the Planck mission’s cosmic microwave background (CMB) measurements at frequencies such as 30 GHz and 100 GHz are integrated into the model to validate predictions.
openaire   +1 more source

Dark energy condensation

Physical Review D, 2005
6 pages, 7 figures. References added. Discussion on the early evolution of the field added.
openaire   +5 more sources