Results 81 to 90 of about 119,430 (311)

3D‐Printing Aided Rapid Prototyping of Pretensioned Tensegrity Structures for Robotic Applications

open access: yesAdvanced Robotics Research, EarlyView.
Printing, injection molding, and assembly (PMA) is a method for rapid prototyping mesoscale, topologically complex, and tensioned tensegrity structures. In combination with PMA method, two mold design strategies: modular mold and compact channel layout, enable efficiency and scalability for tensegrity fabrication.
Yi Sun   +3 more
wiley   +1 more source

Enhanced Mechanical Properties Via Boron‐Induced Multi‐Mechanism Strengthening in (NbTaTi1.5V)100‐xBx Refractory High Entropy Alloys

open access: yesAdvanced Science, EarlyView.
A trace amount of boron is introduced into NbTaTi1.5V RHEA, forming a finegrained BCC+TiO+TiB microstructure. The TiB phase generates numerous dislocations, strengthening the alloy. The alloy exhibits 3610 MPa compressive fracture strength and 1060 HV microhardness, while retaining 14.8% fracture strain.
Da Wu   +9 more
wiley   +1 more source

Improved Direct Ink Writing of Liquid Metal Foams via Liquid Additives

open access: yesAdvanced Electronic Materials, EarlyView.
The ability to pattern liquid metal is useful for making soft electrical and thermal devices. Dispensing liquid metal from a nozzle naturally results in the formation of spheroidal droplets, making direct‐write printing challenging. Liquid metal foams containing pockets of air can extrude as filaments, albeit inconsistently.
Febby Krisnadi   +3 more
wiley   +1 more source

Comprehensive Assessment of Polymeric Materials for Foundry Tooling Used in Microwave Field

open access: yesArchives of Metallurgy and Materials, 2015
The paper presents a research on abrasion resistance of selected construction materials designed for foundry tooling applied in the innovative microwave heating process of moulding and core sands.
Stachowicz M., Opyd B., Granat K.
doaj   +1 more source

Scalable Wheat Bran‐Algae Composites for Edible Electronics with Spray‐Coated Food‐Grade Conductive Inks

open access: yesAdvanced Electronic Materials, EarlyView.
A fully edible wheat bran–algae substrate is fabricated through scalable mould‐compression and spray‐coating, enabling robust, food‐grade platforms for sustainable electronics. A chitosan barrier improves water resistance and ink compatibility, while activated‐carbon conductive films form uniform electrodes with Ohmic behaviour.
Jaz Johari   +7 more
wiley   +1 more source

Natural Moulding Sands

open access: yes, 1960
The results of tests carried out on the moulding sands and bonding clays are presented in the following five chapters.
Director, NML
core  

Possibilities of using microwave heating in disposal process of thermo and selfsetting sandmixes

open access: yesMetalurgija, 2013
The paper presents a semi-industrial reactor designed for microwave utilization of waste moulds and cores made of moulding sands prepared in furane resin technology.
D. Nowak   +3 more
doaj  

Self‐Sensing Artificial‐Muscle‐Empowered Humanlike Perception, Interaction, and Positioning

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
The proposed self‐sensorized artificial muscle (SSAM) can sense its length change as small as 0.01 mm via a seamlessly integrated multi‐segment induction coil. The SSAM provides accurate length information regardless of its loadings, driving pressure, or muscle design, adequate for robust data‐driven feedback control.
Houping Wu   +6 more
wiley   +1 more source

Improving the Properties of Arthma Sand for Using In the Sand Moulding

open access: yesEngineering and Technology Journal, 2005
The aim of the present research is to improve properties of Arthma sand through the addition of different materials for using it in sand casting processes. After preparing the master mixture from (Arthma sand, 5% Bentonite, 5% water), then we add different percents ranging between (2-8)% of the added maters which were phenol, phenol with Boric acid ...
openaire   +2 more sources

Moulding characteristics of Goriali and Jayadi moulding sands

open access: yes, 1959
Two sand samples designated Goriali and Jayadi moulding sands were sent by M/s Associated Cement Cos., Ltd., Bombay to determine their physical properties and their suitability for moulding purposes.
Mohan, Jatinder, Gupte, P K, Das, P C
core  

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