Results 101 to 110 of about 36,976 (243)

Multiaxial life prediction of hydrodynamic plain bearings

open access: yesMATEC Web of Conferences, 2018
Journal bearings are installed in turbomachinery and in all kind of components related to drive technology. All of these applications expect a high degree of reliability.
Wünsch Henrik   +2 more
doaj   +1 more source

SensHB.Q: A Cost‐Effective Force‐Sensitive Handlebar to Control Omnidirectional Robots and Wheelchairs

open access: yesJournal of Field Robotics, Volume 43, Issue 3, Page 1471-1483, May 2026.
ABSTRACT This paper details the design and development of SensHB.Q, a force‐sensitive handlebar intended for caregivers driving electric‐powered wheelchairs, particularly those with omnidirectional mobility. The same interface can also be used in the future to operate other omnidirectional motorized systems, such as mobile robots, hospital beds, and ...
Luigi Tagliavini, Giuseppe Quaglia
wiley   +1 more source

Holding a wing horizontal: Roles for muscles of the pectoral girdle other than the main two flight muscles

open access: yesJournal of Anatomy, Volume 248, Issue 5, Page 830-842, May 2026.
This report explores which muscles of the pectoral girdle are employed to allow birds to hold their wings horizontally with a level aerofoil surface during a glide. Abstract Whilst many birds glide briefly with wings held horizontally, some species maintain this posture for extended periods during soaring.
D. Charles Deeming, María Clelia Mosto
wiley   +1 more source

Piezoresistive Monitoring of Carbon Nanomaterial‐Reinforced Epoxy Composites Under Cyclic and Fatigue Loading: A Review

open access: yesAdvanced Engineering Materials, Volume 28, Issue 8, 22 April 2026.
Carbon nanomaterial‐reinforced epoxy composites exhibit pronounced piezoresistive behavior, enabling intrinsic damage sensing under cyclic and fatigue loading. This review critically compares carbon nanotube and graphene systems, correlating filler content, percolation threshold, and gauge factor with sensing stability and damage evolution.
J. M. Parente   +3 more
wiley   +1 more source

Testing the Strength of Buried Surface Hoar Weak Layers Under Combined Compression and Shear Loading

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract We experimentally determined the multiaxial strength of weak layers of buried surface hoar using displacement‐controlled tests under combined normal and shear loading on a custom testing machine. We tested 63 samples from three different weak layers, with strengths ranging from 1 to 10 kPa with considerable scattering. While shear strength was
Jakob Schöttner   +7 more
wiley   +1 more source

Incorporation of Mean/Maximum Stress Effects in the Multiaxial Racetrack Filter

open access: yesFracture and Structural Integrity, 2016
This work extends the Multiaxial Racetrack Filter (MRF) to incorporate mean or maximum stress effects, adopting a filter amplitude that depends on the current stress level along the stress or strain path.
Marco Antonio Meggiolaro   +2 more
doaj  

In-phase and out-of-phase axial-torsional fatigue behavior of Haynes 188 at 760 C [PDF]

open access: yes
Isothermal, in-phase and out-of-phase axial-torsional fatigue experiments have been conducted at 760 C on uniform gage section, thin-walled tubular specimens of a wrought cobalt-base superalloy, Haynes 188.
Bonacuse, Peter J., Kalluri, Sreeramesh
core   +1 more source

On the characterization of multiaxial data in terms of the strain energy concept [PDF]

open access: yes
Continuous media theory for characterization of multiaxial mechanical behavior of solid propellants - strain energy ...
San Miguel, A.
core   +1 more source

Characterization of multiaxial warp knit composites [PDF]

open access: yes
The objectives were to characterize the mechanical behavior and damage tolerance of two multiaxial warp knit fabrics to determine the acceptability of these fabrics for high performance composite applications.
Cano, Roberto J.   +2 more
core   +1 more source

Elevated temperature axial and torsional fatigue behavior of Haynes 188 [PDF]

open access: yes
The results of high-temperature axial and torsional low-cycle fatigue experiments performed on Haynes 188, a wrought cobalt-base superalloy, are reported.
Bonacuse, Peter J., Kalluri, Sreeramesh
core   +1 more source

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