ABSTRACT

The YK 1 shipwreck, found at Yenikapı, Istanbul, is one of 37 shipwrecks dating to the medieval era. This paper describes the studies and the processes which were conducted to conserve the YK 1. Firstly, the level of physical and chemical degradation of the wood from the YK 1 was examined, which revealed that the wood was highly degraded. Therefore, PEG 2000 was chosen for the impregnation process before vacuum freeze-drying. In addition, the ASE values confirmed that the PEG 2000 impregnation and vacuum freeze-drying method together were successful in conserving the YK 1, with values higher than PEG 2000 impregnation and vacuum freeze-drying methods alone. The concentration of the PEG solution in the tank was monitored throughout the impregnation process. Following this, samples taken from the wood cores were analysed using FTIR to evaluate the effectiveness of the impregnation process. Finally, SEM was used to examine the effectiveness of the PEG 2000 impregnation and vacuum freeze-drying method. The SEM images showed that the PEG 2000 was uniformly distributed, and the wood had no deformation after freeze-drying.

摘要

在伊斯坦布尔耶尼卡皮发现的 YK 1 沉船是 37 艘中世纪沉船之一。本文介绍了为保护 YK 1 所进行的研究和过程。首先，检查了 YK 1 木材的物理和化学降解水平，结果表明木材已高度降解。因此，选择PEG 2000用于真空冷冻干燥前的浸渍过程。此外，ASE值证实PEG 2000浸渍和真空冷冻干燥方法一起成功地保存了YK 1，其值高于单独的PEG 2000浸渍和真空冷冻干燥方法。在整个浸渍过程中监测罐中 PEG 溶液的浓度。按照此，使用 FTIR 分析从木芯中取出的样品，以评估浸渍过程的有效性。最后，使用SEM检验PEG 2000浸渍和真空冷冻干燥方法的有效性。SEM图像显示PEG 2000分布均匀，冻干后木材无变形。