British Bronze age pottery; an overview of deterioration and current techniques of conservation at the British museum

Smith, Sandra

doi:10.1080/01410096.1998.9995121

Cited by 6 publications

(6 citation statements)

References 5 publications

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“…However, there are many situations where others might choose differently depending on the situation. For instance, microballoons may be used where a weak filler is needed to enable further artistic remodelling (Smith 1998) but this is rarely important for the conservation needs of sub-fossil material.…”

Section: Discussion Of Resultsmentioning

confidence: 99%

“…Although much useful information has been published regarding suitable inert fillers for resins in regard to gap-filling wooden objects (Grattan andBarclay 1988, Thornton 1991), ceramics (Walker and Shashoua 1996, Smith 1998) and stone (Howard and Hibler-Vandenbulcke 1990), little has been published regarding fillers for sub-fossil bone. The few exceptions mostly pertain to either plaster of Paris (Anderson etal.…”

Section: Gap-filling Materialsmentioning

confidence: 99%

“…The A.J.K. dough was not considered completely satisfactory for some practices as it can have a high shrinkage rate upon drying, making it inappropriate for large fills (Smith 1998). Usefully, "micro-glass beads" are mentioned as an inert filler to prevent shrinkage of polymethyl-methacrylate used for filling gaps during acid preparation of specimens (Lindsay 1995, Croucher andWooley 1982).…”

Section: Gap-filling Materialsmentioning

confidence: 99%

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Comparing gap-fillers used in conserving subfossil material

Larkin¹,

Makridou²

1999

Geol Cur

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Often when conserving mechanically weak sub-fossil bone material, an inert volumising filler for a chosen adhesive (e.g. Paraloid B72) is needed to create a gap-filling substance to strengthen some bones, so as to reduce the potential of damage to some of the more fragile specimens. Although a frequent method, little is in print on this subject. Testing determined the comparative suitability of five materials (calcium carbonate, glass beads, crushed glass, glass bubbles and phenolic microballons) as polymer fillers in terms of strength, shrinkage, reversability, ease of use, and adhesive properties at various filler to resin ratios. Glass beads (44 microns average diameter) at a ratio of 3:1 filler to resin by weight out-performed the other fillers in most of the categories.

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Section: Discussion Of Resultsmentioning

confidence: 99%

Section: Gap-filling Materialsmentioning

confidence: 99%

Section: Gap-filling Materialsmentioning

confidence: 99%

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Comparing gap-fillers used in conserving subfossil material

Larkin¹,

Makridou²

1999

Geol Cur

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“…Cleaning is used to remove any foreign matter that is not part of the original fabric of any object [11]. Excavated pottery is usually covered with soil deposits, which can be of similar hardness to the pottery [14]. The main objective is to remove the solids adhering to the surface of the archaeological material or to reduce it to minimize the cleaning materials needed in the case of chemical cleaning.…”

Section: Mechanical Cleaningmentioning

confidence: 99%

Conservation of an Egyptian Pottery Sarcophagus from Saqqara Excavation, A Case Study

Ibrahim

Mohamed

2021

Advanced Research in Conservation Science

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A pottery sarcophagus from Saqqara excavation, Egypt suffered from different deterioration aspects including color change, pitting, and separation of some parts of the body.• Documentation and conservation treatments were performed including cleaning, joining, and completion. • The data obtained improved knowledge about the conservation of pottery and led to a detailed protocol for its treatment.

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“…Although pottery is highly resistant to chemical damage, it is less resistant to mechanical deterioration, especially when buried in soil. Excavation sites and the pressure of the soil above these objects have a very dangerous effect, which eventually leads to the breakage and destruction of these objects within the burial environment [2]. The well-fired pottery shows high resistance to mechanical load compared to the low-fired pottery.…”

Section: Introductionmentioning

confidence: 99%

Comparative and Experimental Studies for Evaluation of Paraloid B-72 in Traditional and Nano Forms for Joining of Pottery Samples

Ibrahim

Mohamed

2020

JNanoR

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Many of the excavated pottery artifacts are suffering from different deterioration aspects. The pressure of burial environment is considered the most deteriorative agent for pottery in soil, which leads to damage of the artifact. Therefore, it is necessary to join these damaged parts to be suitable for museum display. The adhesive materials play a significant role in the joining processes of these artifacts. In this study, Paraloid B-72 in its traditional and nano form was prepared (50% in acetone) as adhesive for pottery artifacts. Twelve pottery tiles (14 ×4×1 cm) were prepared and then were adhered together with the adhesive in traditional and nano forms. The pottery samples were exposed to artificial aging as follows; accelerated heat-humid aging (temperature 100°C and 60% relative humidity) and light aging by U.V lamp for 100 hours. Visual assessment and several analytical techniques were used for the evaluation of the selected adhesive. The analytical techniques are transmission electron microscope (TEM), scanning electron microscope (SEM), color change and tensile strength. The results obtained from transmission electron microscope showed that grain size of nano paraloid was ranging from 33 to 51 nm where the particle size of the traditional paraloid was in the range between 103 to 150 nm. Visual assessment proved that nano paraloid had some simple changes in appearance. Scanning electron microscope revealed that the nano paraloid was more resistance for aging than traditional form. Color change revealed that nano paraloid gave the lowest level of total color differences (ΔE) after light, heat-humid and light-heat aging with 2.31, 3.26 and 4.60 respectively. The tensile strength revealed that nano paraloid gave highest tensile strength (81.3 N/mm2). According to these results, we recommend the use of nano paraloid in joining of archaeological pottery artifacts.

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British Bronze age pottery; an overview of deterioration and current techniques of conservation at the British museum

Cited by 6 publications

References 5 publications

Comparing gap-fillers used in conserving subfossil material

Comparing gap-fillers used in conserving subfossil material

Conservation of an Egyptian Pottery Sarcophagus from Saqqara Excavation, A Case Study

Comparative and Experimental Studies for Evaluation of Paraloid B-72 in Traditional and Nano Forms for Joining of Pottery Samples

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