用光纤反射光谱法测量银物体上透明涂层的厚度

IF 0.7 4区社会学 0 HUMANITIES, MULTIDISCIPLINARY

Journal of the American Institute for Conservation Pub Date : 2021-01-21 DOI:10.1080/01971360.2020.1812317

Michael K. Crawford, Lauren M. Fair, Katelyn Rovito, Tia Polidori, Rosie Grayburn

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引用次数: 2

摘要

摘要聚合物薄膜已被广泛用于涂覆传统金属物体，以防止大气氧化和失去光泽。涂层性能与涂层厚度成正比，但目前用于测量涂层厚度以控制处理过程中的质量的方法充其量是定性的。本文演示了如何使用光纤反射光谱（FORS）准确测定温特图尔博物馆的一些硝化纤维涂层银制品的涂层厚度。FORS似乎比其他常用的测量薄膜厚度的方法（如磁/涡流技术）准确得多，但仅限于透明或半透明涂层。FORS是一种简单、准确的方法，用于测量各种文化遗产金属物体的保护涂层厚度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Thickness Measurements of Clear Coatings on Silver Objects using Fiber Optic Reflectance Spectroscopy

ABSTRACT Polymer films have been used extensively to coat heritage metal objects to provide protection against atmospheric oxidation and tarnish. Coating performance is directly proportional to coating thickness, but current methods used to measure coating thickness for quality control during treatment are qualitative at best. This paper demonstrates how fiber optic reflectance spectroscopy (FORS) was used to accurately determine coating thicknesses on a number of nitrocellulose-coated silver objects at Winterthur Museum. FORS appears to be significantly more accurate than other common methods used to measure film thickness, such as magnetic/eddy current techniques, but is limited to transparent or semi-transparent coatings. FORS is a simple, accurate method for measuring the thickness of protective coatings on a wide range of cultural heritage metal objects.

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来源期刊

Journal of the American Institute for Conservation HUMANITIES, MULTIDISCIPLINARY-

CiteScore

1.30

自引率

0.00%

发文量

期刊介绍： The American Institute for Conservation is the largest conservation membership organization in the United States, and counts among its more than 3000 members the majority of professional conservators, conservation educators and conservation scientists worldwide. The Journal of the American Institute for Conservation (JAIC, or the Journal) is the primary vehicle for the publication of peer-reviewed technical studies, research papers, treatment case studies and ethics and standards discussions relating to the broad field of conservation and preservation of historic and cultural works. Subscribers to the JAIC include AIC members, both individuals and institutions, as well as major libraries and universities.