MRS Proceedings
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#1Sonia Naidu (Princeton University)H-Index: 8
#2Chun Liu (UC: University of California System)H-Index: 1
Last. George W. Scherer (Princeton University)H-Index: 86
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This paper discusses the effectiveness of hydroxyapatite (HAP) as an inorganic consolidant for physically weathered Indiana Limestone, and as a coupling agent between limestone and a silicate consolidant. A double application is investigated, in which samples are coated with HAP followed by a commercially available silicate-based consolidant (Conservare ® OH-100). To artificially weather limestone, a thermal degradation technique was utilized. Diammonium hydrogen phosphate (DAP) salt was reacted...
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#1MaryFran Heinsch (UC: University of Chicago)H-Index: 1
#2Pamela B. Vandiver (UA: University of Arizona)H-Index: 14
Last. Claudia Chang (SBC: Sweet Briar College)H-Index: 13
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Between the fourth century B.C. and second century A.D., changes in climate, culture and commerce converged to extend networks of influence and intensify social stratification in communities situated along the Silk Road. The horse-riding nomads and agro-pastoralists of what is now Southeastern Kazakhstan were important actors in the unfolding of these events. The settlements and kurgan burials of the Saka and Wusun could be found dotting the alluvial fans north of the Tien Shan Mountains just a ...
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#1Michael DoutreH-Index: 1
#2Ashley FreemanH-Index: 1
Last. Laura Fuster-LópezH-Index: 7
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The movement of fluids through a porous medium is a function of the material type and the size and morphology of the voids. In the conservation of painted artworks, the movement of materials (for example, cleaning solutions) is a major factor in how a work reacts to treatments and a large influence on how the work will change with time. Of particular importance in the conservation of painted surfaces is the preparatory layer. This is a highly active transport medium because it is generally highl...
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#1Audrey Cochard (UFTMP: Federal University of Toulouse Midi-Pyrénées)H-Index: 2
#2Joël Douin (UFTMP: Federal University of Toulouse Midi-Pyrénées)H-Index: 2
Last. Philippe Sciau (UFTMP: Federal University of Toulouse Midi-Pyrénées)H-Index: 17
view all 7 authors...
The aim of this paper is to show that historical technical archives and complementary physico-chemical studies can be combined to obtain relevant information on the materials and processes used in the manufacturing of a Breguet 765 Sahara airplane. This will be useful both in history of sciences and technology and in the renovation of this more than fifty years old airplane. The Breguet 765 Sahara plane is the last version of a family of French double-deck transport aircraft produced by Breguet ...
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#1Aaron Shugar (Buffalo State College)H-Index: 9
#2Krista Lough (Buffalo State College)H-Index: 1
Last. Jiuan Jiuan Chen (Buffalo State College)H-Index: 1
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A characteristic fluorescent tarnish can be observed on some daguerreotypes under shortwave ultraviolet radiation. The fluorescence can be seen in several distinct patterns: edge tarnish, rings, and continuous films. Dispersive Raman spectroscopy, scanning electron microscopy (SEM), and X-ray diffraction (XRD) were applied to characterize and identify the fluorescent compound. Raman spectroscopy identified the characteristic peak for copper cyanide, CuCN, at 2172 cm- 1 . Elemental k-ratio maps o...
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#1M.D. Manrique-Ortega (UNAM: National Autonomous University of Mexico)H-Index: 4
#2Pieterjan Claes (UNAM: National Autonomous University of Mexico)H-Index: 4
Last. Reyna SolisH-Index: 3
view all 8 authors...
The Museum of the Great Temple of Tenochtitlan in Mexico City holds a collection of several thousands of polished stone artifacts that were excavated and identified as temple offerings. These can stratigraphically be related to the sequential construction stages (II-VII) of the ceremonial area of the Aztec capital from the foundation of the city in 1325 to 1521, when the Spaniards conquered the city. A non-destructive investigation of the elemental and chemical composition of these archaeologica...
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#1Aaron Shugar (Buffalo State College)H-Index: 9
#2Michael R. Notis (Lehigh University)H-Index: 23
Last. Nicholas W. M. Ritchie (NIST: National Institute of Standards and Technology)H-Index: 15
view all 4 authors...
A Moche cast copper alloy object was investigated with focus on three main areas: the alloy composition, the casting technology, and the corrosion process. This complex artifact has thin connective arms between the body and the head, a situation that would be very difficult to cast. The entire artifact was mounted and polished allowing for complete microstructural and microchemical analysis, providing insight into the forming technology. In addition, gigapixel x-ray spectrum imaging was undertak...
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#1Chandra L. Reedy (UD: University of Delaware)H-Index: 9
#2Jenifer Anderson (UD: University of Delaware)H-Index: 2
Last. Terry J. ReedyH-Index: 5
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Pores in archaeological ceramics can form in a number of different ways, and reflect both deliberate choices and uncontrollable factors. Characterizing porosity by digital image analysis of thin sections holds a number of advantages as well as limitations. We present the results of experiments aimed at improving this method, focusing on high-resolution scans of entire thin sections. We examine the reproducibility of pore measurements by petrographic image analysis of ceramic thin sections using ...
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#1Molly McGath (JHU: Johns Hopkins University)H-Index: 4
#2Blythe McCarthy (Arthur M. Sackler Gallery)H-Index: 3
Last. Jenifer Bosworth (Arthur M. Sackler Gallery)H-Index: 1
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Volatile organic compounds (VOCs) can be hazardous to human health and can negatively impact the long-term stability of art objects. This research evaluated the VOC adsorbent properties of three materials commonly used in museums as humidity regulating or air filtering agents. Silica gel, activated charcoal, and zeolite powder, materials often placed in proximity to art objects, were analyzed using Thermal Desorption GC-MS to qualitatively identify adsorbed VOC’s from model environments. This re...
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