Results 211 to 220 of about 2,535 (249)
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Wire electrochemical trimming the recast layer on René 88DT for aero-engine applications
Electrochimica Acta, 2022Yongbin Zeng, Xiaolong Fang
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Materials Today: Proceedings, 2021
Abstract Precision manufacturing is a challenging process in which high accuracy is required. Wire electrical discharge machining (WEDM) is one of the most vital machining processes in which precision manufacturing are possible. During wire electrical discharge machining (WEDM), machining surface needs to be more precise to maintain surface integrity,
Khuvendra Yadav, Sharad K. Pradhan
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Abstract Precision manufacturing is a challenging process in which high accuracy is required. Wire electrical discharge machining (WEDM) is one of the most vital machining processes in which precision manufacturing are possible. During wire electrical discharge machining (WEDM), machining surface needs to be more precise to maintain surface integrity,
Khuvendra Yadav, Sharad K. Pradhan
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The effect of recasting on the oxidation layer of a palladium-silver porcelain alloy
The Journal of Prosthetic Dentistry, 1988The oxidation zone of a commercial palladium-silver porcelain alloy was compared after repeated casting with and without the addition of new alloy. The intensity of palladium, silver, tin, indium, and O K-alpha near the oxidation zone was analyzed with XMA.
J M, Hong, M E, Razzoog, B R, Lang
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Removal of Surface Spatter and Recast layer by Chemical Cleaning
Materials Today: Proceedings, 2019Abstract Laser microdrilling has various applications in aerospace and electrical industries in manufacturing components such as nozzle guide vanes, combustion chambers, cooling holes on turbine blades, etc. In this study, cleaning of laser micro-drilled holes has been carried out. These holes were drilled using nanosecond pulsed fiber laser.
Ganesh Dongre +4 more
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Electrolytic removal of recast layers on micro-EDM microstructure surfaces
The International Journal of Advanced Manufacturing Technology, 2020Micro-EDM technology is widely used in the field of micro-fabrication due to its low cost, non-contact, and other processing characteristics. The EDM method involves molding parts by implementing the principle of melting metal at a high temperature, which results in a thin recast layer on the surface of the workpiece.
Xuyang Chu +5 more
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Modeling of Recast Layer in Micro-Electrical Discharge Machining
Journal of Manufacturing Science and Engineering, 2010The thickness of recast layers produced during electrical discharge machining (EDM) is an important process performance measure as it may indicate an extent of crack propagation in a machined surface or thickness of a functional layer alloyed onto a machined surface.
P. C. Tan, S. H. Yeo
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Recast layer removal using ultrafast laser in titanium alloy
The International Journal of Advanced Manufacturing Technology, 2013Recast layer, which has undesirable effects on the fatigue resistance and service life of components and microstructures, has been observed and analyzed from the points of surface morphology and internal microstructure by three test methods including scanning electron microscopy, metallographic corrosion analysis, and transmission electron microscopy ...
Chengjuan Yang +4 more
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Investigations Into the Removal of EDM Recast Layer With Magnetic Abrasive Machining
Volume 1: Processing, 2015Electrical Discharge Machining (EDM) is a non conventional machining process capable of accurately machining parts with high hardness and of complex shapes. The sparks produced during the EDM process cause localized melting on the work surface. The formation of recast layer is very common on EDMed surfaces.
Sehijpal Singh Khangura +3 more
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Journal of Materials Engineering and Performance, 2017
In this study, electrical discharge machining (EDM) is used to directly drill normal effusion cooling holes in thermal-barrier-coated nickel-based superalloys (TBCs) via the assisting electrode method. The formation of the conductive layer was studied using scanning electron microscopy and energy-dispersive spectroscopy.
Li Wang, Yongfeng Guo, Guowei Zhang
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In this study, electrical discharge machining (EDM) is used to directly drill normal effusion cooling holes in thermal-barrier-coated nickel-based superalloys (TBCs) via the assisting electrode method. The formation of the conductive layer was studied using scanning electron microscopy and energy-dispersive spectroscopy.
Li Wang, Yongfeng Guo, Guowei Zhang
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The experimental study on recast layer removal of metallic material by femtosecond laser
PICALO 2010: 4th Pacific International Conference on Laser Materials Processing, Micro, Nano and Ultrafast Fabrication, 2010The microcracks and impurities in the recast layer have undesirable effects on the fatigue resistance and service life of metallic parts. In order to overcome the drawbacks, a new method of recast layer removal based on the advanced femtosecond laser process technology is proposed in this paper.
Yang Cheng-juan +5 more
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