Non-destructive Evaluation of Historic Textiles by Compression Measurement Using the “kawabata Evaluation System (kes)”
نویسندگان
چکیده
key words: Textile conservation, black-dyed silk, tensile test, compression resilience, accelerated ageing To propose a new non-destructive assessment procedure for historic Suga-yarns using the “Kawabata Evaluation System (KES)”, compression resilience (RC) was compared with tensile breaking strain, which is traditionally used to measure mechanical properties of yarns. Modern raw silk yarns dyed with tannic acid and iron mordant were degraded artificially and used as a model of historic Suga-yarns. The tensile breaking strain of model yarns decreased over a 70-days degradation period, so did the RC.
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