Results 111 to 120 of about 9,863 (235)

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

Journal of Field Robotics, EarlyView.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang, Hao Zhou, Dalin Zhou, Zhaojie Ju   +3 more
wiley   +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

A hybrid approach of NiP coating and STF impregnation of UHMWPE fabric for conductive soft body armor

Journal of Materials Research and Technology
To enhance the ballistic impact performance and impart electrical conductivity into soft armor material made up of UHMWPE fabric, a novel hybrid technique has been devised and incorporated.
Anand Biradar, S. Arulvel, Jayakrishna Kandasamy   +2 more
doaj   +1 more source

Molecular Friction Trumps Viscosity in Angstrofluidic Transport

Small, EarlyView.
Single‐file transport through sub‐1 nm graphene nanopore and carbon nanotube is investigated using molecular dynamics and ergodic trajectory sampling. The study shows that confinement geometry and wall‐fluid interaction strength govern molecular mobility, allowing atomistic motion to be translated into a continuum‐based resistance coefficient for ...
Jaber Al Hossain, Murat Barisik, Chirodeep Bakli, Suman Chakraborty, BoHung Kim   +4 more
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

Ballistic Performance of Guaruman Fiber Composites in Multilayered Armor System and as Single Target. [PDF]

Polymers (Basel), 2021
Reis RHM, Nunes LF, da Luz FS, Candido VS, da Silva ACR, Monteiro SN.   +5 more
europepmc   +1 more source

Professionalising the Cybersystemic Practitioner: Five Decades of STiP Education at the Open University (1971–2025)

Systems Research and Behavioral Science, EarlyView.
ABSTRACT This paper draws on over five decades of experience in educating and developing systems thinking practitioners at the Open University (OU) UK to explore the opportunities and challenges in the professionalisation of systems thinking in practice (STiP).
Ray Ison
wiley   +1 more source

A NUMERICAL MODEL FOR BALLISTIC IMPACT RESPONSE OF COMPOSITE ARMORS

Havacılık ve Uzay Teknolojileri Dergisi, 2018
In this study, we present a numerical model to simulate the ballistic impact of a rigid right circular cylinder (RCC) projectile into a woven fabric target.
Demet Balkan, Seher EKEN
doaj  

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

Crash Behavior of DP800–DP1000 Advanced High‐Strength Steel’s Dissimilar Resistance Spot Welded Joints Under Quasi‐static and High Strain Rates

steel research international, EarlyView.
The high‐strain‐rate behavior of resistance spot‐welded DP800–DP1000 joints is investigated. Results show that microstructural gradients across BM–HAZ–FZ govern hardness, strain rate sensitivity, and failure modes. While strength increases with strain rate, energy absorption is controlled by ductility, with DP800–DP800 joints showing superior ...
Pankaj Shrivastava, Velaphi Msomi
wiley   +1 more source