Results 51 to 60 of about 2,305 (247)

Hydroforming of lightweight alloys using MagnetoRheological Fluids (MRF) [PDF]

, 2022
Oggigiorno lo sviluppo di componenti leggeri è una grande sfida in diversi settori: nel campo automobilistico e aerospaziale, la possibilità di sostituire i materiali metallici convenzionali con leghe più leggere aiuta a ridurre i consumi energetici ...
Cusanno, Angela
core   +1 more source

Edge control in a computer controlled optical surfacing process using a heterocercal tool influence function [PDF]

, 2016
Edge effect is regarded as one of the most difficult technical issues in a computer controlled optical surfacing (CCOS) process. Traditional opticians have to even up the consequences of the two following cases.
Ford, Virginia, Hu, Haixiang, Luo, Xiao, Qi, Erhui, Zeng, Xuefeng, Zhang, Xin, Zhang, Xuejun   +6 more
core   +1 more source

Using STED and ELSM confocal microscopy for a better knowledge of fused silica polished glass interface [PDF]

, 2013
International audienceCharacteristics and nature of close surface defects existing in fused silica polished optical surfaces were explored. Samples were deliberately scratched using a modified polishing process in presence of different fluorescent dyes ...
Catrin, Rodolphe, Corbineau, Thomas, Cormont, Philippe, Legros, Philippe, Maunier, Cédric, Neauport, Jerome, Taroux, Daniel   +6 more
core   +3 more sources

Material removal model of magnetorheological finishing based on dense granular flow theory

Light: Advanced Manufacturing, 2022
Magnetorheological finishing (MRF) technology is widely used in the fabrication of high-precision optical elements. The material removal mechanism of MRF has not been fully understood because MRF technology involves the integration of electromagnetics ...
Yang Bai, Xuejun Zhang, Chao Yang, Longxiang Li, Xiao Luo   +4 more
doaj   +1 more source

High-flux magnetorheology at elevated temperatures [PDF]

, 2013
Commercial applications of magnetorheological (MR) fluids often require operation at elevated temperatures as a result of surrounding environmental conditions or intense localized viscous heating.
McKinley, Gareth H, Ocalan, Murat
core   +1 more source

Thin-Wall Machining of Light Alloys: A Review of Models and Industrial Approaches [PDF]

, 2019
Thin-wall parts are common in the aeronautical sector. However, their machining presents serious challenges such as vibrations and part deflections. To deal with these challenges, di erent approaches have been followed in recent years.
Antonio Juan Gamez, Asuncion Rivero, Calleja, Chatelain, Garimella, Irene Del Sol, Izamshah, Luis Norberto López de Lacalle, Rubio   +8 more
core   +7 more sources

Experimental investigation into nano-finishing of β-TNTZ alloy using magnetorheological fluid magnetic abrasive finishing process for orthopedic applications

Journal of Materials Research and Technology, 2021
This study describes the effect of magnetorheological fluid assisted magnetic abrasive finishing (MRAF) process on the surface topography of fine finished high strength biomedical grade β-phase Ti–Nb–Ta–Zr (β-TNTZ) alloy for orthopedic applications.
Chander Prakash, Sunpreet Singh, Alokesh Pramanik, Animesk Basak, Grzegorz Królczyk, Marta Bogdan-Chudy, Yongling Linda Wu, H.Y. Zheng   +7 more
doaj   +1 more source

Rheological Characterization and Performance Evaluation of Magnetorheological Finishing Fluid

Journal of Applied Fluid Mechanics, 2020
The novel controllable behaviour of magnetorheological (MR) fluid is the backbone of magnetorheological fluid-based finishing processes. MR fluid-based finishing processes facilitate better control over finishing forces as the stiffness of MR finishing ...
V. Kumar, R. Kumar, H. Kumar
doaj  

Subsurface damage measurement of ground fused silica parts by HF etching techniques [PDF]

, 2009
International audienceDetection and measurement of subsurface damage of ground optical surfaces are of major concern in the assessment of high damage thresholds fused silica optics for high power laser applications.
Ambard, C, Cormont, P, Darbois, N, Destribats, J, Luitot, C, NEAUPORT, Jérôme, Rondeau, O   +6 more
core   +3 more sources

Study on the Absorption Characteristics and Laser Damage Properties of Fused Silica Optics under Flexible Polishing and Shallow DCE Process

Micromachines, 2021
The enhancement of laser damage resistance of fused silica optics was a hotspot in scientific research. At present, a variety of modern processes have been produced to improve the laser induced damage threshold (LIDT) of fused silica optics.
Wanli Zhang, Feng Shi, Ci Song, Ye Tian, Yongxiang Shen   +4 more
doaj   +1 more source