Results 141 to 150 of about 50,398 (301)

Inner screening corrections to the Debye interaction in hot/dense plasmas in the vicinity of the bound – free transitions

open access: yesPhysical Sciences and Technology, 2020
Considering hot/dense plasmas strongly ionized and still retaining hydrogenic bound states (1 ≤ z ≤ 6), we focus attention on the delocalization features of ion-electron orbitals, such as wide spreading and attending of pertaining wave functions close ...
C. Deutsch, G. Naouri, N. A. Tahir
doaj  

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

open access: yesAdvanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir   +5 more
wiley   +1 more source

Modification and Numerical Modelling of Dense Plasma Focus Device

open access: yes
A dense plasma focus device (DPF) is a pulsed power device that generates high energy particles, neutrons and X-rays through rapid compression of the plasma.
Reuben, Rachel Aaron
core  

Optical refractivity studies of plasma focus

open access: yes, 1974
A study of a Plasma Focus device by optical diagnostic techniquesbased on plasma refractivity is reported. The device produces at theaxis of symmetry of its coaxial electrodes a transient dense plasma fila-ment, of density >10 19 electrons cm -3 and ...
Morgan, Philip Dyfrig
core  

Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)

open access: yesAdvanced Engineering Materials, EarlyView.
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho   +8 more
wiley   +1 more source

The plasma focus as a thruster [PDF]

open access: yes, 2005
The need for low propellant weight, high efficiency propulsion systems is a glaring need for various space missions. This thesis presents the thrust modeling of the Dense Plasma Focus plasma motion phases.
Hardy, Richard Lee
core  

Formation of nano-crystalline phase in hydrogenated amorphous silicon thin film by plasma focus ion beam irradiation

open access: yes, 2012
A 3.3 kJ Mather type dense plasma focus device is used to generate a pulsed argon ion beam of 100 KeV in this work. Hydrogenated amorphous silicon (a-Si:H) film prepared by plasma enhanced chemical vapor deposition (PECVD) on c-Si substrate was ...
Goh, B.T.   +5 more
core   +1 more source

An Experimental High‐Throughput Approach for the Screening of Hard Magnet Materials

open access: yesAdvanced Engineering Materials, EarlyView.
An entire workflow for the high‐throughput characterization and analysis of compositionally graded magnetic films is presented. Characterization protocols, data management tools and data analysis approaches are illustrated with test case Sm(Fe, V)12 based films.
William Rigaut   +16 more
wiley   +1 more source

Design of Z-Pinch and Dense Plasma Focus Powered Vehicles

open access: yes, 2011
Z-pinch and Dense Plasma Focus (DPF) are two promising techniques for bringing fusion power to the field of in-space propulsion. A design team comprising of engineers and scientists from UAHuntsville, NASA's George C. Marshall Space Flight Center and the
Adams, Robert B.   +11 more
core  

Influence of Surface Finish on the Tribological Performance of AlTiBN Coatings Deposited on Forming Tools

open access: yesAdvanced Engineering Materials, EarlyView.
Aluminum and nitride coatings are used in industry because they are hard, resist wear, and protect against oxidation. Adding boron can improve friction behavior and other properties. This study tests coatings on surfaces with different finishes. Results show smoother surfaces perform better, while rough ones wear faster, although coatings can reduce ...
Adrián Claver   +9 more
wiley   +1 more source

Home - About - Disclaimer - Privacy