白瓷TL信号和多波长OSL信号对烧成温度的影响

IF 0.6 0 ART

International Journal of Conservation Science Pub Date : 2022-12-31 DOI:10.12654/jcs.2022.38.6.04

J. Choi, Bom Sok Kim, Myung Jin Kim, M. Han

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引用次数: 0

摘要

通过测量不同温度(800、1200、1350℃)烧制白瓷的热发光(TL)和多波长(红外、橙、绿、蓝、UVA)光激发发光(OSL)信号的变化，分析了白瓷的特性。800℃烧制的白瓷在100 ~ 400℃的宽温度范围内表现出高强度的TL信号，而1200℃和1350℃烧制的白瓷在100℃和210℃处表现出TL峰值。在800℃烧制的白瓷，在红外、橙、绿、蓝和UVA的刺激下，OSL信号随辐照量的增加呈线性增加。而1200℃烧制白瓷的OSL信号仅在蓝色和UVA刺激下线性增加，而1350℃烧制白瓷的OSL信号仅在UVA刺激下线性增加。总的来说，随着烧成温度的升高，TL/OSL信号的强度减弱，这可能是由于高温烧成过程造成的玻璃化。因此，在对白瓷进行TL/OSL测年时，选择合适波长的光刺激源是非常重要的。

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Characteristics of TL Signal and Multi-wavelength OSL Signal against Firing Temperature of White Porcelain

We analyzed the characteristics of white porcelain fired at different temperatures (800, 1200, 1350℃) by measuring changes in thermal luminescence(TL) and multi-wavelength (IR, orange, green, blue, UVA) optically stimulated luminescence(OSL) signal. White porcelain fired at 800℃ showed high intensity TL signals over a wide temperature range of 100 to 400℃, whereas white porcelain fired at 1200 and 1350℃ showed TL peaks at 100 and 210℃. Moreover, the OSL signals of white porcelain fired at 800℃, increased linearly according to the amount of irradiation, under IR, orange, green, blue and UVA stimulation. However, the OSL signals of white porcelain fired at 1200℃ increased linearly only under blue and UVA stimulation, while those of white porcelain fired at 1350℃ increased linearly only under UVA stimulation. In general, the strength of the TL/OSL signal was weakened as the firing temperature increased, which seems to be due to the vitrification caused by the high-temperature firing process. Therefore, it was found that it is important to select the optical stimulation source of the proper wavelength during TL/OSL dating to white porcelain.

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来源期刊

International Journal of Conservation Science ART-

CiteScore

1.70

自引率

37.50%

发文量

审稿时长

10 weeks

期刊介绍： The International Journal of Conservation Science (IJCS) is a high quality peer-reviewed journal devoted to the publication of original research papers in applied conservation science and its broad range of applications. IJCS it is an open access journal. All content is freely available without charge to any user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. The topics cover all disciplines and branches of modern scientific conservation, including different aspects on general conservation theory, scientific investigation of works of art, authentication, determination of conservation state, compatibility studies for preservation and restoration procedures and monitoring of interventions effectiveness, etiopathology of historic and natural monuments, studies on the mechanisms of deterioration and degradation for different materials as structural and ornamental elements, impact of the environmental factors or agents on monuments and ecosystems, obtaining and characterization of new materials and procedures for preservation and restoration, new methodologies for scientific investigation, cross-related problems concerning research applied to conservation science, biodiversity conservation. Review articles in selected areas are published from time to time.