Results 141 to 150 of about 2,936,556 (303)

Analysis of contact pressure in a 3D model of dual-mobility hip joint prosthesis under a gait cycle. [PDF]

open access: yesSci Rep, 2023
Tauviqirrahman M   +7 more
europepmc   +1 more source

Tribological Performance of 60NiTi Alloy Under Varying Contact Conditions and Elevated Temperatures in Linear Reciprocating Sliding

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates the tribological response of 60NiTi alloy under dry, water‐lubricated and high‐temperature conditions. The alloy exhibits decreasing wear volume and friction with increasing temperature due to the formation of protective oxide layers. The work clarifies dominant wear mechanisms and demonstrates the suitability of 60NiTi for high‐
Anthony Onyebuchi Okoani   +2 more
wiley   +1 more source

Intra-tracheal multiplexed sensing of contact pressure and perfusion. [PDF]

open access: yesBiomed Opt Express, 2022
Correia R   +11 more
europepmc   +1 more source

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

open access: yesAdvanced Engineering Materials, EarlyView.
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

Key Technology and Experimental Study on Module Sealing

open access: yesShiyou jixie, 2018
The following problems often occur during the operation of offshore sand control:when the working string runs from the wellhead, the setting tool with the seal element cannot reach the predetermined position through the seal tube and seal is often failed.
Cheng Wenjia   +5 more
doaj  

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie   +4 more
wiley   +1 more source

Analysis on the Influence of Swelling on Interference of Stator and Rotor of Progressing Cavity Pump

open access: yesShiyou jixie, 2018
In downhole environment, the conventional oil progressing cavity pump may experience uneven deformation of stator rubber owing to swelling, which is an indispensable factor in stator and rotor design.
Zhang Qiang   +4 more
doaj  

Letter: Skin contact pressures. [PDF]

open access: yesBMJ, 1976
P A, Isherwood   +3 more
openaire   +2 more sources

Effect of Oxygen Content on Surface and Subsurface Integrity During Turning of Ti–6Al–4V

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how oxygen content in the ambient atmosphere affects the surface and subsurface properties of Ti–6Al–4V during turning. Results show that oxygen does not influence surface roughness. However, machining in an extremely high vacuum‐adequate atmosphere increases surface hardness by up to 7.8% and induces compressive residual stresses ...
Benjamin Bergmann   +3 more
wiley   +1 more source

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