Luminous transmittance of carbonate based natural stones
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Metin Ersoy
Abstract
Some natural stones, such as marble, onyx and limestone are translucent and commonly used in night lamps, lampshades, and backlit decorations in hotel lobbies and other facilities. However, there is no study in literature with respect to the luminous transmittance or transparency of natural stones. In this study, the luminous transmittance of 12 different carbonate based natural stones was assessed. An apparatus consisting of a light source, a light conducting tube and a luxmeter was designed to determine luminous transmittance. Also, the samples have been examined with regard to grain size to define their mineralogical and petrographical characteristics. As a result of the studies, it has been found that marble and onyx marble can transmit light to a greater extent compared to limestone. And it has been seen that the efficient factors in those samples are color, crystal type, grain sizes and cement substance of the rock.
Kurzfassung
Einige Natursteine, wie Marmor, Onyx und Kalkstein sind durchscheinend und werden allgemein für Nachtlampen, Lampenschirme und beleuchtete Dekorationen in Hotel-Lobbys und anderen Einrichtungen verwendet. In der Literatur gibt es jedoch keine Studie, in der Bezug auf die Lichtdurchlässigkeit oder Transparenz von Natursteinen genommen wird. In der diesem Beitrag zugrunde liegenden Studie wurde die Lichtdurchlässigkeit von 12 verschiedenen Natursteinen auf Carbonatbasis evaluiert. Eine Vorrichtung, bestehend aus einer Lichtquelle, einem Lichtleiterrohr und einem Beleuchtungsmesser wurde entwickelt, um die Lichtdurchlässigkeit zu bestimmen. Darüber hinaus wurde auch eine Korngrößenanalyse durchgeführt, um einen mineralogischen und petrographischen Bezug herzustellen. Als Ergebnis der Untersuchungen wurde festgestellt, dass Marmor und Onyx-Marmor in einem größeren Ausmaß lichtdurchlässig im Vergleich zu Kalk sind. Außerdem hat es sich gezeigt, dass in diesen Gesteinsproben Farbe, Kristalltyp, Korngröße und die Kittsubstanz des Gesteins wichtige Faktoren bezüglich der Lichtdurchlässigkeit sind.
References
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© 2016, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Effects of nitrogen and hydrogen in argon shielding gas on bead profile, delta-ferrite and nitrogen contents of the pulsed GTAW welds of AISI 316L stainless steel
- Particularities of testing structured sheet metals in 3-point bending tests
- Properties, weldability and corrosion behavior of supermartensitic stainless steels for on- and offshore applications
- Effect of cutting parameters on workpiece and tool properties during drilling of Ti-6Al-4V
- Comparison of the tribological and mechanical performance for nano and micro filler epoxy composites
- Mechanical behavior of a multiple forged 6082 Al alloy
- Investigation of glass transition kinetics in C60-doped carbazole-based photorefractive polyacrylates
- Effect of tempering conditions on the fatigue behavior of an AA 6082 aluminum alloy
- Analysis of deformation induced martensite in AISI 316L stainless steel
- Antibacterial activity and nanocomposite properties of monodispersed silver nanoparticles synthesized by the microwave method
- Diffusible hydrogen content in submerged arc welds of a S960 type steel
- Fatigue strength of hybrid welded 22MnB5 overlap joints
- Luminous transmittance of carbonate based natural stones
- Einfluss der Messstellenvorbereitung durch grobes Schleifen auf die Eigenspannungsermittlung mithilfe der Bohrlochmethode
- Cutting parameters for optimum surface roughness during end milling of carbon fiber reinforced composites
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Effects of nitrogen and hydrogen in argon shielding gas on bead profile, delta-ferrite and nitrogen contents of the pulsed GTAW welds of AISI 316L stainless steel
- Particularities of testing structured sheet metals in 3-point bending tests
- Properties, weldability and corrosion behavior of supermartensitic stainless steels for on- and offshore applications
- Effect of cutting parameters on workpiece and tool properties during drilling of Ti-6Al-4V
- Comparison of the tribological and mechanical performance for nano and micro filler epoxy composites
- Mechanical behavior of a multiple forged 6082 Al alloy
- Investigation of glass transition kinetics in C60-doped carbazole-based photorefractive polyacrylates
- Effect of tempering conditions on the fatigue behavior of an AA 6082 aluminum alloy
- Analysis of deformation induced martensite in AISI 316L stainless steel
- Antibacterial activity and nanocomposite properties of monodispersed silver nanoparticles synthesized by the microwave method
- Diffusible hydrogen content in submerged arc welds of a S960 type steel
- Fatigue strength of hybrid welded 22MnB5 overlap joints
- Luminous transmittance of carbonate based natural stones
- Einfluss der Messstellenvorbereitung durch grobes Schleifen auf die Eigenspannungsermittlung mithilfe der Bohrlochmethode
- Cutting parameters for optimum surface roughness during end milling of carbon fiber reinforced composites
