Vibration assisted drilling of CFRP/metal stacks at low frequencies and high amplitudes
Sign Up to like & getrecommendations! Published in 2018 at "Production Engineering"
DOI: 10.1007/s11740-018-0818-z
Abstract: In many applications of automotive and aircraft industries the use of material combinations such as compound materials made from carbon fiber reinforced plastics (CFRP) and metal materials like steel, titanium or aluminum alloys is significantly… read more here.
Keywords: assisted drilling; low frequencies; metal stacks; cfrp metal ... See more keywords
Enhanced microstructural and mechanical properties of Stellite/WC nanocomposite on Inconel 718 deposited through vibration-assisted laser cladding
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Minerals, Metallurgy and Materials"
DOI: 10.1007/s12613-020-2211-0
Abstract: Stellite-21/WC nanopowders were deposited on Inconel through vibration-assisted laser cladding with different laser parameters. Optical and scanning electron microscopy, hardness measurements, and wear characterizations were employed to understand the microstructural and mechanical behaviors of the… read more here.
Keywords: assisted laser; vibration assisted; enhanced microstructural; microstructural mechanical ... See more keywords
Surface characterization of zirconia ceramics in ultrasonic vibration-assisted grinding
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-018-1296-0
Abstract: In order to clarify the surface features of zirconia ceramics fabricated by ultrasonic vibration-assisted grinding (UVAG), five geometric parameters (width dw, depth hd, length ld, spacing df and number N) of UVAG surface are selected… read more here.
Keywords: topography; zirconia ceramics; surface; ultrasonic vibration ... See more keywords
Vibro-impact model and validation of the axial dynamics of a vibration-assisted drilling tool
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-020-02680-0
Abstract: A lumped parameter vibro-impact model is proposed to describe the axial dynamics of a vibration-assisted drilling tool prototype, developed to improve the drilling efficiency in hard-rock drilling applications. The purpose of this work is twofold:… read more here.
Keywords: assisted drilling; impact; model; drilling tool ... See more keywords
Photoelectric property enhancement of Ag/FTO thin films by fabricating antireflection grating structures using ultrasonic-vibration-assisted laser irradiation
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.148449
Abstract: Abstract This work focuses on the fabrication of antireflection grating structures on Ag/F-doped SnO2 (FTO) films by ultrasonic-vibration-assisted laser irradiation to compensate the optical transmittance loss due to coating the Ag layers. The effects of… read more here.
Keywords: vibration; grating structures; ultrasonic vibration; assisted laser ... See more keywords
Material removal mechanism and grinding force modelling of ultrasonic vibration assisted grinding for SiC ceramics
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2016.11.066
Abstract: Abstract In this paper, a varied-depth nano-scratch test of single grain is carried out on a nano indentation system. The critical depth of the elastic-plastic transition for SiC ceramics is 7.27 nm, as calculated by Hertz… read more here.
Keywords: sic ceramics; assisted grinding; ultrasonic vibration; grinding force ... See more keywords
Ultrasonic vibration-assisted laser engineering net shaping of ZrO2-Al2O3 bulk parts: Effects on crack suppression, microstructure, and mechanical properties
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.11.013
Abstract: Abstract Laser additive manufactured zirconia-alumina ceramic (ZrO2-Al2O3) parts demonstrate severe problems resulting from cracking and inhomogeneous material dispersion. To reduce these problems, we propose a novel ultrasonic vibration-assisted laser engineered net shaping (LENS) process for… read more here.
Keywords: zro2 al2o3; ultrasonic vibration; vibration; vibration assisted ... See more keywords
Analytical model of cutting force in axial ultrasonic vibration-assisted milling in-situ TiB2/7050Al PRMMCs
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2020.08.009
Abstract: Abstract Ultrasonic vibration-assisted milling has been widely applied in machining the difficult-to-cut materials owing to the remarkable improvements in reducing the cutting force. However, analytical models to reveal the mechanism and predict the cutting force… read more here.
Keywords: vibration; ultrasonic vibration; vibration assisted; cutting force ... See more keywords
Multi-objective optimisation in vibration-assisted drilling of CFRP/Al stacks
Sign Up to like & getrecommendations! Published in 2017 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.04.026
Abstract: Abstract In this work, carbon fibre reinforced plastic (CFRP) laminate and aluminium (Al7075T6) plates were bonded before undergoing single shot drilling on a vibration platform. The proposed vibration-assisted drilling in the electromechanical-driven system interacting with… read more here.
Keywords: assisted drilling; vibration; multi objective; objective optimisation ... See more keywords
Enhancing mechanical properties of adhesive laminates joints using ultrasonic vibration-assisted preprocessing
Sign Up to like & getrecommendations! Published in 2019 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.111325
Abstract: Abstract Ultrasonic high-frequency vibration can effectively improve the fluidity of adhesive thereby allowing adhesive to fully and more evenly permeate the surface structure of composite laminates. This effect can enhance the mechanical properties of composite… read more here.
Keywords: mechanical properties; vibration; assisted preprocessing; ultrasonic vibration ... See more keywords
Vibration-assisted installation and decommissioning of a slip-joint
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.109949
Abstract: Abstract The structural failure of grouted connections for offshore wind turbines focused the industrial attention towards different and innovative solutions to guarantee a safe connection between the monopile foundation and the turbine tower. An alternative… read more here.
Keywords: slip joint; vibration assisted; installation decommissioning; installation ... See more keywords