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    Wyświetlanie 1-5 z 5
    Tytuł:
    Średniowieczna technologia witrażowa we współczesnym rzemiośle artystycznym, na podstawie pracy mnicha Teofila
    Medevial stained glass technique in contemporary arts and crafts, based on the work of the monk Theophilus
    Autorzy:
    Włodarczyk, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/36119129.pdf
    Data publikacji:
    2022
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Ceramiki i Materiałów Budowlanych
    Tematy:
    witraż
    technologia szkła
    średniowiecze
    szkło barwne
    mnich Teofil
    produkcja witraży
    farba naszkliwna
    technika witrażowa
    profil ołowiany
    patyna
    kontur
    lazura srebrowa
    kwatera witrażowa
    stained glass
    glass technique
    Middle Ages
    coloured glass
    monk Theophilus
    glass painting
    enamel
    glass painting technique
    lead profile
    patina
    contour
    silver glaze
    stained glass quarter
    Opis:
    Witraż jest techniką o średniowiecznym rodowodzie. Jej tajniki opisał w XII w. benedyktyński mnich zwany Teofilem, zdradzając tajniki sztuki witrażowej tamtych czasów. Traktat jego autorstwa szczegółowo opisuje zasady produkcji barwnych przeszkleń, które w dużym stopniu pozostają aktualne także dziś. Pomimo współczesnych udogodnień technologicznych podstawowe składniki witrażu, czyli szkło barwione w masie, farby witrażowe, ołów i światło, pozostają takie same.
    Stained glass is an old technique with medieval origins. These secrets were described in the 12th century by a Benedictine monk named Theophilus and revealed the secrets of stained glass at that time. His treatise describes in detail the production rules for coloured glazing, which have remained largely unchanged to this day. Despite the technological conveniences of the modern world, the essential components of stained glass – tinted glass, stained glass paints, lead and light – remain a bridge between the centuries.
    Źródło:
    Szkło i Ceramika; 2022, 73, 2; 45-49
    0039-8144
    Pojawia się w:
    Szkło i Ceramika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Późnośredniowieczne skarby monet z dolnego Nadodrza i dolnego Połabia z zawartością biżuterii i ozdób
    Late Medieval Hoards of Coins from the Lower Odra Region and Lower Elbeland, Containing Jewellery and Ornaments
    Autorzy:
    Szczurek, Tadeusz
    Powiązania:
    https://bibliotekanauki.pl/articles/532537.pdf
    Data publikacji:
    2014
    Wydawca:
    Muzeum Pierwszych Piastów na Lednicy
    Tematy:
    aplikacja-tarczka
    biżuteria
    bransoleta
    brosza
    depozyt
    emalia
    fibula
    guziki
    guzy
    Hanza wendyjska
    kamienie półszlachetne
    klamra
    kolczyki
    krzyżyki
    zawieszki
    masa szklana, naszyjnik, niello, obrączka, okucie, ozdoby, perła, pierścień,
    pozłacanie, skarb, sprzączka, sygnet, szpila, tezauryzacja, trybowanie, zapinka
    fitting-shield
    jewellery
    bracelet
    brooch
    deposit
    enamel
    buttons
    knobs
    Wendic Hansa
    semi-precious stones
    buckle
    earrings
    crosses-pendants
    glass mass
    necklace
    niello
    annuli ring
    fitting
    ornaments
    pearl
    ring
    gilding
    hoard
    signet
    hair-pin
    hoarding
    embossing
    clasp
    Opis:
    In this paper the author offers an overview of hoards containing ornamental items, that is, jewellery, dress ornaments as well as ornaments used to decorate other artefacts. Je mapping of finds, starting with those from the second half of the 12th c., does not display any concentration in the discussed territory. However, there is quite a large concentration of deposits with ornaments in the southern borders, or actually beyond them—in Anhalt, Saxony-Wittenberg and in Thuringia (Fig. 1). When the finds are arranged chronologically, it turns out that deposits which were hidden in the period from c. 1360 to c. 1500 are the most numerous. Earlier hoards, however, are much richer in decorative artefacts. In later deposits such artefacts are either single specimens or their number is limited to but a few finds. There are occasional hoards dated back to the Early Middle Ages (to c. 1070) containing ornaments only or ornaments and non-monetary silver (in the form of clumps and bars). However, from the second half of the 12KP c. onwards there are no finds which contain ornamental items only. Although there are ornaments in deposits with bars (Gusskönige), they are accompanied by coins. An overwhelming majority of the ornamental items was made from silver. From the 13th c. onwards, gilding appears on the silver artefacts. Je technique of gilding is commonly used in silver jewellery artefacts from the 14th and 15th c. A silver ring from the hoard from Bardowick is ornamented in the niello technique. Gold artefacts occur very rarely, and it seems that they appear as single finds only. Bronze artefacts are truly unique. Specimens from the 14th and 15th c. are ornamented with semi-precious stones, a glass mass and enamel, while pearls are found sporadically. Amber does not occur in the discussed territory; on the other hand, it is known from small artefacts in other parts of Europe (e.g., from the Austrian hoard in Fuchsenhof, c. 1275–1278). Je assortment of ornamental artefacts for decoration of the body (jewellery) and of dress is quite similar to that from the present time. It encompasses rings (often with eyelets), annuli and signet rings, brooches used as clasps, buckles and the fittings of belts, knobs used as buttons, but also as dress ornaments, fittings (thin metal sheets with openings, used to ornament dresses, purses and caskets) in the shape of round and heraldic shields, or heraldic eagles and lions. In some hoards there are large numbers of buckles (some of these are similar to brooches, somewhat resembling fibulae). Crosses-pendants, earrings and hair pins are not common. Items of cutlery are rather sporadically found (silver spoons and silver fittings for knife handles). The largest hoards are known from the territory of the Wendic Hansa and they were discovered in urban areas. "ere is no doubt that these were gathered by members of the patriciate. On the other hand, rich hoards with gold artefacts are known from the Rhineland, but also from Erfurt in Thuringia and from Środa Śląska.
    Źródło:
    Studia Lednickie; 2014, 13; 49-76
    0860-7893
    2353-7906
    Pojawia się w:
    Studia Lednickie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Opracowanie warunków wytwarzania emalii do dekorowania listew i płytek z tafli szklanej
    Working out of conditions for manufacturing of enamel to decorate slats and tiles of glass panel
    Autorzy:
    Chmielewska, D.
    Marecka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/392432.pdf
    Data publikacji:
    2008
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Ceramiki i Materiałów Budowlanych
    Tematy:
    przemysł szklarski
    płyta szklona
    listwa dekoracyjna
    dekorowanie szkła
    emalia szklarska
    glass industry
    glass panel
    decorative strip
    glass decoration
    glass enamel
    Opis:
    W artykule omówiono badania i sposób wytwarzania emalii do dekorowania płytek i listew z tafli szklanej, ze szczególnym uwzględnieniem syntezy bezołowiowej bazy topnikowej. Określone zostały warunki syntezy oraz parametry fizykochemiczne produktu finalnego wraz z metodami ich oznaczania.
    Tests and way of enamel manufacturing for decoration of tiles and slats of glass panels, with particular regarding synthesis of leadless flux basis were discussed. Conditions of the synthesis and physical and chemical parameters of the final product with their determination methods were defined.
    Źródło:
    Prace Instytutu Szkła, Ceramiki, Materiałów Ogniotrwałych i Budowlanych; 2008, R. 1, nr 2, 2; 51-66
    1899-3230
    Pojawia się w:
    Prace Instytutu Szkła, Ceramiki, Materiałów Ogniotrwałych i Budowlanych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of cross-sectional layers of corrosion using metallographic microscope
    Autorzy:
    Szala, B.
    Greiner-Wrona, E.
    Kwaśniak-Kominek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/184775.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    corrosion
    enamel on copperplate
    glass-metal
    corrosion build-up
    metallographic microscope
    cross section of corrosion products
    Opis:
    The aim of this study was to identify and recognize the phenomena of corrosion between glass-metal connections. Experiments were carried out on historical and contemporary samples treated with corrosion catalysts and the results helped to identify the most corrosive conditions for historic objects. Microscopic observations were carried out on cross-sectional layers of specially prepared samples of enamel on copperplate, corresponding to the chemical composition of historic samples-enamel from Limoges. Subsequently, a series of techniques were implemented improving the quality of the image. A 20-micron thick corrosion layer can be observed and recorded using this method. Observations allowed to determine the quality and technology aspects of the enamel exposed to the processes. The diagnosis of corrosion processes is extremely important in order to determine the application technique of enamel on the metal substrate. Microscopic images therefore revealed the formation of corrosion products. This proved an efficient and effective way to provide information on the thickness, color and structure of the observed layers. Micro-photographs from a metallographic microscope allowed for further planning and the subsequent use of a Scanning Electron Microscope (SEM) with an Energy Dispersive Spectrometer (EDS) and Raman Spectrometer (RS) - mitigating the need for the analysis of the entire sample's surface. Most corroded places have been identified and the metal proved to be more reactive material. The impact of factors such as: the technique of layering the enamel, structural inclusions, pitting corrosion, temperature and the environment's impact have been clearly linked to the overlap of the corrosion processes.
    Źródło:
    Geology, Geophysics and Environment; 2013, 39, 2; 125-132
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An in Vitro Comparison of the Enamel Remineralisation Potential of Bioactive Glass, Hydroxyapatite and CPP-ACP
    Autorzy:
    Güçlü, Z.
    Gjorgievska, E.
    Coleman, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/1033584.pdf
    Data publikacji:
    2017-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    87.85.J-
    Opis:
    The objective of this research was to investigate the comparative in vitro enamel remineralisation potential of commercial toothpastes containing bioactive glass (BG) particles, hydroxyapatite (HAP) particles or casein phosphopeptide - amorphous calcium phosphate (CPP-ACP) nanocomplexes. Eighteen extracted permanent teeth were coated with varnish leaving a window on the buccal surface and placed in demineralising solution for 24 h to create artificial caries-like white spot lesions (WSLs). The teeth were randomly assigned to six groups and sectioned longitudinally through the WSLs. The roots were removed and the teeth were re-varnished, leaving the WSLs exposed. Groups A, B and C were subjected to an optimum remineralisation protocol in which the "control" half of each tooth was incubated in artificial saliva for 24 h at 37°C and the "treatment" half of each corresponding tooth was cyclically exposed to artificial saliva and to 1:2 toothpaste solution containing either BG, HAP or CPP-CAP, respectively. Groups D, E and F were subjected to an acid-challenge remineralisation protocol which was similar to that of Groups A, B and C but which also incorporated cyclic exposure to demineralising solution. Scanning electron microscopy and energy dispersive X-ray analysis were used to compare the remineralisation of the surface and depth of the control and treatment WSLs. Under optimum conditions BG and CPP-ACP provided sub-surface repair by diffusion of calcium and phosphate ions into the WSLs. HAP did not influence remineralisation under neutral pH conditions. Conversely, under acid-challenge conditions, HAP was able to dissolve to release calcium and phosphate ions which diffused in to the WSLs and also protected the enamel surface from further erosion. BG and CPP-ACP both coated the enamel surface under acidic conditions, although their ability to remineralise the body of the lesion was compromised at low pH.
    Źródło:
    Acta Physica Polonica A; 2017, 131, 3; 571-575
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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