Results 81 to 90 of about 114,140 (286)

THERMAL EFFECT ANALYSIS OF ROLLING FRICTION IN HIGH SPEED COLD ROLL-BEATING FORMING

open access: yesJixie qiangdu, 2018
High-speed cold forming is a complex forming process coupling under multi factors, which has the rolling friction affecting the fluidity of the workpiece metal, and then affecting the quality and performance of the forming parts.
LI YuXi   +4 more
doaj  

Advances in Solid‐Phase Processing Techniques: Innovations, Applications, and Future Perspectives

open access: yesAdvanced Materials Technologies, EarlyView.
Based on practical manufacturing challenges, this review examines advanced solid‐phase processing techniques that overcome the inherent limitations of conventional melting‐based and traditional solid‐phase manufacturing, enabling the production of higher‐performance components at reduced cost through process innovation and improved supply‐chain ...
Tianhao Wang
wiley   +1 more source

Computer-aided analysis and design of the shape rolling process for producing turbine engine airfoils [PDF]

open access: yes
Mild steel (AISI 1018) was selected as model cold rolling material and Ti-6A1-4V and Inconel 718 were selected as typical hot rolling and cold rolling alloys, respectively.
Akgerman, N., Altan, T., Lahoti, G. D.
core   +4 more sources

Testing the assumption of linear dependence between the rolling friction torque and normal force

open access: yesMATEC Web of Conferences, 2017
Rolling friction is present in all nonconforming bodies in contact. A permanent topic is the characterization of the moment of rolling friction. A number of authors accept the hypothesis of linear dependency between the rolling torque and the normal ...
Alaci Stelian   +5 more
doaj   +1 more source

Printed Organic Thermoelectric Generators: Progress and Challenges Towards Efficient Energy Harvesting

open access: yesAdvanced Materials Technologies, EarlyView.
Printed organic thermoelectric generators (OTEGs) enable flexible and sustainable energy harvesting from low‐grade heat. This Perspective critically assesses recent advances in printable thermoelectric materials, 2D and 3D device architectures, and current performance limits of printed OTEGs.
Vijitha Ignatious   +5 more
wiley   +1 more source

Stress evaluations under rolling/sliding contacts [PDF]

open access: yes
The state of stress beneath traction drive type of contacts were analyzed. Computing stresses and stress reversals on various planes for points beneath the surface were examined.
Kannel, J. W., Tevaarwerk, J. L.
core   +1 more source

Vision‐Augmented Wearable Interfaces: Bioinspired Approaches for Realistic AI‐Human‐Machine Interaction

open access: yesAdvanced Materials Technologies, EarlyView.
This review presents recent progress in vision‐augmented wearable interfaces that combine artificial vision, soft wearable sensors, and exoskeletal robots. Inspired by biological visual systems, these technologies enable multimodal perception and intelligent human–machine interaction.
Jihun Lee   +4 more
wiley   +1 more source

Graphene‐Based Wearable Textile Triboelectric Nanogenerators and Biomechanical Sensors

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents a wearable textile‐based triboelectric nanogenerator (T‐TENG) using sprayed graphene enhanced with a PVA adhesion layer. The graphene‐based electrode demonstrates high electrical conductivity and robustness to multiple bends. The fabricated T‐TENG provides stable and efficient output, with strong responsiveness to biomotion.
Hongyang Dang   +4 more
wiley   +1 more source

Friction in Oil-Lubricated Rolling–Sliding Contacts with Technical and High-Performance Thermoplastics

open access: yesLubricants
Thermoplastics show great potential due to their lightweight design, low-noise operation, and cost-effective manufacturing. Oil lubrication allows for their usage in high-power-transmission applications, such as gears.
Ferdinand Schmid   +2 more
doaj   +1 more source

DEM investigation on characteristics of rolling resistance for modelling particle shape

open access: yesEPJ Web of Conferences, 2017
To examine the capability of rolling resistance to model the effects of particle shape, two sets of samples, composed of binary clumped particles and circular particles with rolling resistance, are tested in DEM simulation.
Zhou Lunlun, Chu Xihua, Xu Yuanjie
doaj   +1 more source

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