Evaluation of Ion Beam Behavior in 50 W Class RF Ion Thruster [PDF]
International Journal of Aerospace Engineering, 2021 Phenomenological behavior of ion beam acceleration through the grid system in 50 W class RF ion thruster has been investigated using PIC simulation and evaluated by experimental test using Faraday probe.
Huong T. T. Nguyen +2 more
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Helium-tight laser beam welding of aluminum with brillant laser beam radiation [PDF]
, 2022 554565The substitution of steel as base metal for casings and packaging applications has increased during the last years. Especially aluminum with advantages in weight and machining effort has become a versatile solution for applications in fine ...
Heinen, P. +3 more
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Design and Preparation Methods of Metallic/Ceramic Barrier Layer for Titanium - Fire Retardant [PDF]
Cailiao Baohu, 2021 The metallic/ceramic barrier layer could be used not only for the titanium - fire retardant abradable seal coatings to play the role of fire - retardant, but also as the thermal barrier coatings for hot - section components in aero - engines.
LI Jia - hui, LIU Mei - jun
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Mathematical model of brush seals for gas turbine engines: A nonlinear analytical solution
Advances in Mechanical Engineering, 2021 Presented herein is a mathematical model employing differential equations formulation for brush seals used in gas turbine engines. These components are used to seal the bearing chamber from the environment and reduce the loss of lubricant in the ...
Amin Changizi +3 more
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Comparative Evaluation of Three Different Obturating Techniques Lateral Compaction, Thermafil and Calamus for Filling Area and Voids Using Cone Beam Computed Tomography: An Invitro study [PDF]
Journal of Clinical and Diagnostic Research, 2015 Introduction: The success of root canal treatment depends upon the proper sealing of root canal system. Improper apical seal leads to the microleakage which can be prevented by proper obturation technique.
Ruchi Gupta +2 more
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, 1970 square aOther common seals found in Newfoundland and Labrador waters are the Harbour Seal or "ranger," the Ringed Seal or "jar", the Bearded Seal or "square-flipper," and the Grey Seal.PRINTED ITEM DNE-citG.M.
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Advanced Dry Gas Seal By The Dynamic Ion Beam Mixing Technique. [PDF]
, 1998 LecturePg. 39-48Ductile materials have been used for dry gas seal mating rings to replace conventional sintered materials that have experienced occasional brittle fracture. The ductile materials require a coating to make them suitable for dry gas seal
Takeuchi, Takao +5 more
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Reliabiliity of packaged beam-lead transistors built with different pre-seal assembly techniques [PDF]
, 1978 The reliability of two TO-18 packaged beam-lead transistors was studied using high temperature reverse bias and high temperature storage as accelerated aging methods.
Gracey, J.P.
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Applied Sciences, 2021 The determination of the possibility for the reduction of the friction coefficient of ceramic parts from silicon carbide by pulse-periodic treatment with an ultraviolet nanosecond laser was carried out in the framework of this research.
Serguei P. Murzin +5 more
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Design of the button beam position monitor for PEP-II [PDF]
, 1995 The beam position monitor (BPM) was designed to provide a robust UHV feedthru and a reliable electromagnetic sensor. Stringent resolution requirements at low beam currents, bunch parameters, along with mechanical and chamber requirements produced ...
Ng, C. +5 more
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