Results 11 to 20 of about 1,715,737 (308)

Development of Multiaxial Creep Testing Machine for Miniature Specimen [PDF]

open access: yesMATEC Web of Conferences, 2019
High temperature components such as boiler tube and jet engine turbine blade undergo multiaxial creep damage. Although multiaxial creep testing investigation is required for safety high temperature components designing, there are few commercial testing ...
Hiyoshi Noritake   +4 more
doaj   +1 more source

Experimental Study of the Influence of a Blowing Grid on Turbulent Jets Applied to Air Conditioning Systems [PDF]

open access: yesJournal of Applied Fluid Mechanics
To overcome the challenges associated with homogenising the aerodynamic parameters of turbulent air jets, special attention must be given to the design of air jet distribution systems.
A. M. Maiga   +5 more
doaj   +1 more source

Vibration Characteristics of Rotor System with Loose Disc Caused by the Insufficient Interference Force

open access: yesChinese Journal of Mechanical Engineering, 2022
The rotating parts looseness is one of the common failures in rotating machinery. The current researches of looseness fault mainly focus on non-rotating components.
Zhinong Li   +5 more
doaj   +1 more source

Sensing Enhancement of Electromagnetically Induced Transparency Effect in Terahertz Metamaterial by Substrate Etching

open access: yesFrontiers in Physics, 2021
A broad range of terahertz (THz) metamaterials have been developed for refractive index sensing. However, most of these metamaterials barely make sufficient use of the excited electric field which is crucial to achieve high sensitivity. Here, we proposed
Tingling Lin   +7 more
doaj   +1 more source

Precision Extrusion Deposition of Polycaprolactone/Hydroxyapatite Tissue Scaffolds [PDF]

open access: yes, 2006
Freeform fabrication provides an effective process tool to manufacture advanced tissue scaffolds with specific designed properties. Our research focuses on using a novel Precision Extrusion Deposition (PED) process technique to directly fabricate ...
Güçeri, S., Shor, L., Sun, W.
core   +1 more source

Non-Destructive Evaluation of Hidden Defects Beneath the Multilayer Organic Protective Coatings Based on Terahertz Technology

open access: yesFrontiers in Physics, 2021
An organic protective coating system plays an important role for the corrosion protection of offshore metallic structures. It is of practical importance to detect possible coating defects and evaluate coating performance for corrosion degradation ...
Wanli Tu   +3 more
doaj   +1 more source

Mechanical performance of composite bonded joints in the presence of localised process-induced zero-thickness defects [PDF]

open access: yes, 2018
Processing parameters and environmental conditions can introduce variation into the performance of adhesively bonded joints. The effect of such variation on the mechanical performance of the joints is not well understood.
Addepalli, S.   +4 more
core   +2 more sources

Surface Texture Measurement on Complex Geometry Using Dual-Scan Positioning Strategy

open access: yesApplied Sciences, 2020
In this paper, a surface measurement method based on dual-scan positioning strategy is presented to address the challenges of irregular surface patterns and complex geometries. A confocal sensor with an internal scanning mechanism was used in this study.
Fang Cheng, Shaowei Fu, Ziran Chen
doaj   +1 more source

Polymer micro-grippers with an integrated force sensor for biological manipulation [PDF]

open access: yes, 2012
The development of a novel micro-system integrating SU-8 polymer micro-grippers with a tensile force sensor for handling and characterizing the mechanical properties of delicate biological materials, such as fibrils, is presented.
,   +4 more
core   +2 more sources

Characterization and Evaluation of Rotation Accuracy of Hydrostatic Spindle under the Influence of Unbalance

open access: yesShock and Vibration, 2020
The paper studies the characterization and evaluation technology of rotation accuracy of hydrostatic spindle under the influence of unbalance. The dynamic model of the motion error of the hydrostatic spindle is established based on the dynamic parameters.
Dongju Chen, You Zhao, Jingfang Liu
doaj   +1 more source

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