Comparison Metal Water Jet Cutting with Laser and Plasma Cutting

Krajcarz, Daniel

doi:10.1016/j.proeng.2014.03.061

Cited by 101 publications

(45 citation statements)

References 4 publications

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“…Nevertheless, it is mandatory to take into account the specific properties of each cutting process and its impact on the material. It is certainly possible to achieve finest structures down to 0.1 mm kerf width with a laser beam [115]. However, the laser and plasma cutting bring about a significant heating of the surrounding material.…”

Section: Design and Shapesmentioning

confidence: 99%

Cardiovascular Applications of Magnesium Alloys

Schilling¹,

Bauer²,

LaLonde³

et al. 2017

Magnesium Alloys

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Therapy in cardiovascular medicine often relies on implantation of prosthetic materials or application of stents. The diseases of many cardiovascular structures require their complete and immediate repair by utilising prosthetic materials. The ideal cardiovascular prosthesis involves good functional properties, capability of regeneration and does not activate the host's immune system. Ideally, the graft can be applied for a temporary use and degrades after a predefined period according to controlled degradation kinetics. Only biological grafts would provide this spectrum of properties by today's level of knowledge. However, biological prostheses exhibit some relevant drawbacks as well, such as insufficient mechanical stability or restricted availability. Implants or supporting structures of magnesium alloys would bridge this gap and would either provide a substrate for innovative and temporary grafts or would-as supporting structures-transiently add some missing properties to regenerative biological prostheses. This chapter reviews the different fields of cardiovascular therapeutic applications of magnesium alloys. The required properties of magnesium alloys and their preparation, fabrication and testing will be discussed under the specific cardiovascular perspective.

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Section: Design and Shapesmentioning

confidence: 99%

Cardiovascular Applications of Magnesium Alloys

Schilling¹,

Bauer²,

LaLonde³

et al. 2017

Magnesium Alloys

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“…Na skutek stożkowości wiązki laserowej średnice po obu stronach pasa mogą się nieznacznie różnić [8][9][10][11]. Cięcie strumieniem wodno-ściernym polega na erozji materiału pod wpływem działania wąskiego strumienia pod bardzo wysokim ciśnieniem, formowanego w specjalnej dyszy, tak by osiągnął moc wystarczającą do obróbki nawet najtwardszych materiałów.…”

Section: Metody Perforacji Pasów Kompozytowychunclassified

“…Pozostałe parametry procesu -takie jak odległość głowicy od obrabianego materiału oraz wydatek masowy ścierniwa -mają znacznie mniejszy wpływ na odchyłkę okrągłości otworów. W przypadku kompozytów wzmacnianych włóknami aramidowymi niedocięte włókna mogą zostać postrzępione [8,11,12]. Dodatkową wadą może być konieczność suszenia pasów po perforacji.…”

Section: Metody Perforacji Pasów Kompozytowychunclassified

Vacuum conveyor belts perforation – methods, materials and problems

et al. 2017

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Przedstawiono analizę metod perforacji polimerowych pasów kompozytowych z uwzględnieniem współczesnych tendencji rozwoju materiałów stosowanych do produkcji pasów i taśm przenośnikowych do transportu podciśnieniowego. Dodatkowo poruszono problemy pojawiające się przy otworowaniu pasów oraz nakreślono obszar badawczy, którego realizacja przyczyni się do rozwoju procesów produkcyjnych pasów perforowanych. SŁOWA KLUCZOWE: pasy podciśnieniowe, metody perforacji, przenośniki pasowe, taśmy przenośnikowe, pasy kompozytoweThe analysis of suitable perforation methods for polymer composites belts with regard to modern material trends in manufacturing the conveyor and timing belts for the vacuum transport was presented. Authors also discussed problems, that arise during belt perforation and specified the research area, which will help to develop the production process of perforated belts.

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“…Waterjet cutting is a process when a material is exposed to a high-speed jet of water mixed with an abradant [2,3,4,5]. The functional concept of this type of cutting is that when passing through a hole of 0.2...0.8 mm in diameter a water flow accelerates up to about 300...900 m/s, mixes with an abradant and is applied to the surface to be cut under a high pressure (200...600 MPa).…”

Section: Waterjet Cutting Principle and Waste Generationmentioning

confidence: 99%

Assessment of possibility of metal waterjet cutting wastes use in building materials production

Skanavi

Dovydenko

2017

MATEC Web Conf.

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Abstract. The paper is aimed at studying the composition and properties of the wastes generated during metal waterjet cutting and assessing the possibility of their use in building materials production. The essence of waterjet cutting process, waste generation mechanism, waste accumulation volumes at enterprises are described. The composition and properties of the used abradant -garnet sand is given and the features of its destruction during cutting are revealed. Waterjet cutting wastes are comprehensively studies: average and bulk density, granulometric composition, chemical composition are determined, various fractions are studied with an electronic microscope. It is revealed that during cutting abradant particles are destroyed, a large amount of dust fraction emerges with the particles of cut metal mixed into it. The metal waterjet cutting wastes are found to be very small, practically monofractive, heavy sands with a high content of dust fraction, which chemical composition is dominated by oxides of iron, silicon and aluminum. This characteristic of the wastes has allowed us to outline possible ways of how to use them: in ceramic items production as thinning agents and fluxing agents, in Portland cement production as a correcting iron-containing agent, as a mortar filler, including special mortars, as a building materials volumetric staining pigment, etc.

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Comparison Metal Water Jet Cutting with Laser and Plasma Cutting

Cited by 101 publications

References 4 publications

Cardiovascular Applications of Magnesium Alloys

Cardiovascular Applications of Magnesium Alloys

Vacuum conveyor belts perforation – methods, materials and problems

Assessment of possibility of metal waterjet cutting wastes use in building materials production

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