Overpaint removal from easel paintings using an LQS Nd:YAG laser: The first validation study

被引：19

作者：

Siano, Salvatore ^{[1
]}

Osticioli, Iacopo ^{[1
]}

Pavia, Alessandro ^{[2
]}

Ciofini, Daniele ^{[1
]}

机构：

[1] CNR, Ist Fis Applicata Nello Carrara, Florence, Italy

[2] Pavia Restauro Srl, Rome, Italy

来源：

STUDIES IN CONSERVATION | 2015年 / 60卷

关键词：

Laser ablation; Spallation; Overpainting; Annie Nathan; Giacomo Balla;

D O I：

10.1179/0039363015Z.000000000207

中图分类号：

K85 [文物考古];

学科分类号：

0601 ;

摘要：

In this work, laser ablation has been applied for removing overpaint found on the reverse of a signed easel painting by Giacomo Balla, one of the founding members of the Futurist movement. After unsuccessful attempts to remove the overpaint layers selectively using organic solvents, a long Q-switched Nd:YAG laser (1064 nm, 120 ns) ablation was successfully trialled, enabling the planning of complete uncovering of a hidden artwork by laser treatment. Laser cleaning was accompanied with a thorough characterisation of the original pigments, binders, and overpaint using Raman and FTIR spectroscopy, along with stratigraphic examination combined with optical and ESEM-EDX analysis. In parallel systematic experimentation on samples simulating the layers to be removed was carried out to interpret the laser removal processes being exploited and fine-tune the treatment.

引用

页码：S49 / S57

页数：9

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