نتایج جستجو برای: vibratory finishing

تعداد نتایج: 11904  

Journal: :Vibroengineering procedia 2022

Vibratory equipment is widely used for performing various finishing processes, machining and forcing of different parts materials. Numerous researchers technologists pay specific attention to the possibilities implementing vibration-driven machinery conducting lapping polishing operations on flat surfaces. The present paper dedicated studying laps kinematic parameters vibratory machine actuated...

Journal: :Journal of The Electrochemical Society 2022

The effects of surface finish by mechanical polishing, vibratory and high-temperature annealing were studied on 316L stainless steel combining microscopic spectroscopic analysis the morphology composition electrochemical corrosion resistance. Compared to finishing promotes passivity at active-passive transition in acid solution enhances resistance chloride-induced breakdown. Cr Mo enrichments n...

Journal: :Procedia CIRP 2022

Automotive gears are facing stringent requirements regarding weight and functional surfaces, especially in view of the electric powertrain. To achieve these demands, powder metallurgy need to be finished using grinding, certain cases, mechano-chemical treatments. With regards latter, five different triboconditioning strategies based on vibratory tub finishing and/or centrifugal barrel were cons...

Journal: :The Journal of clinical investigation 1950
W S COLLENS J D ZILINSKY L C BOAS J J GREENWALD

Journal: : 2023

Roller-Compacted Concrete (RCC) is a zero-slump concrete, with no forms, reinforcing steel, finishing and wet enough to support compaction by vibratory rollers. Because the effectiveness of curing on properties durability, primary scope this research study effect various methods (air curing, emulsified asphalt(flan coat) 7 days water permanent curing) different porcelanite (local material used ...

Journal: :archives of cardiovascular imaging 0
suchaya silvilairat department of pediatrics, division of pediatric cardiology, faculty of medicine, chiang mai university, chiang mai, thailand; department of pediatrics, division of pediatric cardiology, faculty of medicine, chiang mai university, p. o. box: 50200, chiang mai, thailand. tel: +66-897612855, fax: +66-53946461 kakanang jantarapagdee samitivej children hospital, bangkok, thailand rekwan sittiwangku department of pediatrics, division of pediatric cardiology, faculty of medicine, chiang mai university, chiang mai, thailand yupada pongprot department of pediatrics, division of pediatric cardiology, faculty of medicine, chiang mai university, chiang mai, thailand charlie phornphutkul department of pediatrics, division of pediatric cardiology, faculty of medicine, chiang mai university, chiang mai, thailand

conclusions the vibratory innocent murmur is associated with the presence of left ventricular false tendon and higher left ventricular outflow tract velocity. the presence of the left ventricular false tendon was somewhat associated with decreased early diastolic myocardial velocity. normal left ventricular systolic and diastolic function can be used as a reassurance in cases with the vibratory...

Journal: :SN applied sciences 2021

Abstract This paper attempts to improve the physical and mechanical properties of selective laser sintered polyamide PA2200 components through a vibratory surface finishing process by inducing severe plastic deformation at outer layers. The industrial target additive manufacturing is obtain structures having roughness, hardness, other equivalent or better than those produced conventionally. Com...

Journal: :Processes 2021

The sintered zinc oxide (ZnO) electro-ceramics are a brittle class of hard-to-cut materials such that shaping them with the post-finishing operations necessitates careful handling and precision machining. conventional machining approach using grinding lapping processes represents limited productivity, an inability to produce required geometries frequent uncontrolled chipping edges final product...

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