Results 141 to 150 of about 75,364 (283)

Tuning the Morphology of Self‐Assembled Nanopatterns on MgO(001) Surfaces by Sequential Broad‐Beam Ion Irradiation

physica status solidi (RRL) – Rapid Research Letters, EarlyView.
A two‐step approach based on broad‐beam ion irradiation is demonstrated to produce fine‐tuned self‐assembled surface patterns on MgO(001). It shows an efficient route to modifying the crystalline MgO(001) surface topography in a controlled way, making use of its very specific behavior in terms of both the pattern morphology and patterning dynamics.
Denise J. Erb, Stefan Facsko
wiley   +1 more source

Resulted Mechanical and Microstructural Properties of Ballistic Protection Materials for Bulletproof Vest Applications Using Plasma Jet Thermal Spray Coatings

Crystals
This paper addresses ballistic protection, which is an important element in the performance of any military equipment. Improving ballistic properties is a necessity for individual protection through the use of protective vests.
Adrian Ioan Ropotoae, Corneliu Munteanu, Fabian Cezar Lupu, Bogdan Istrate, Marcelin Benchea, Adrian Nicolae Rotariu, Andrei Spoiala   +6 more
doaj   +1 more source

Microstructure Effect of Heat Input on Ballistic Performance of Welded High Strength Armor Steel. [PDF]

Materials (Basel), 2021
Souza ERS, Weber RP, Monteiro SN, Oliveira SS.   +3 more
europepmc   +1 more source

Concepts for the development of light-weight composite structures for rotor burst containment [PDF]

, 1977
Published results on rotor burst containment with single materials, and on body armor using composite materials were used to establish a set of hypotheses about what variables might control the design of a weight-efficient protective device.
Holms, A. G.
core   +1 more source

Subterranean Mine Inspection Using the Prometheus Re‐Configurable Drone

Journal of Field Robotics, EarlyView.
ABSTRACT This paper describes the design, development, and real‐world testing of an autonomous drone for subterranean exploration, known as “Prometheus.” Driven by requirements from industry that the drone be able to be deployed through areas of restricted access, Prometheus was designed to be directly deployed through a 150 mm aperture.
Liam Brown, Robert Clarke, Ali Akbari, Ferdian Jovan, Jameel Marafie, Ognjen Marjanovic, Sara Bernardini, Tom Richardson, Simon Watson   +8 more
wiley   +1 more source

Nanomaterials for ballistic protection: Advances and future prospects-a review

Results in Engineering
The increasing lethality of ballistic threats and the increasing demand for lightweight and portable protection have revealed the critical limitations of conventional armor materials, such as high material density, poor flexibility, and limited multi-hit
Tibebu Merde Zelelew, Firdwoyn Siyoum Haile, Tsedale Mequanent Admasu, Mestawet Girma Bekele   +3 more
doaj   +1 more source

Strategy for One‐Step Optimization of Metal Oxide Passivating Contact Materials for Si Heterojunction Solar Cells through Growth Angle Variation

Small, EarlyView.
A one‐step oblique angle reactive sputtering approach enables simultaneous tuning of bulk and interfacial stoichiometry in a metal oxide/ silicon heterojunction. In case of vanadium oxides, growth angle variation controls the formation of stoichiometric SiO2, ternary SiOx(V) interlayer, and phase purity of vanadium oxide, considerably simplifying the ...
Aparajita Mandal, Alexis Franquet, Hans Hofsäss, Tapobrata Som   +3 more
wiley   +1 more source

Ballistic performance of Polycarbonate and Polymethyl methacrylate under normal and inclined dynamic impacts. [PDF]

Heliyon, 2021
Sadeghi Esfahlani S.
europepmc   +1 more source

High performance ammonium nitrate propellant [PDF]

, 1979
A high performance propellant having greatly reduced hydrogen chloride emission is presented. It is comprised of: (1) a minor amount of hydrocarbon binder (10-15%), (2) at least 85% solids including ammonium nitrate as the primary oxidizer (about 40% to ...
Anderson, F. A.
core   +1 more source

Activatable smart contrast agents for photoacoustic imaging

Smart Molecules, EarlyView.
This review highlights recent advances in smart activatable photoacoustic imaging (PAI) contrast agents, which dynamically modulate their optical properties in response to external stimuli or microenvironmental cues. It discusses their molecular design, activation mechanisms, biomedical applications, and future prospects for clinically tailored use ...
Donghyeon Oh, Jihye Lee, Suyoung Park, Juyoung Yoon, Won Jong Kim, Chulhong Kim   +5 more
wiley   +1 more source