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Surface resistance evaluation method for aging degree of ancient textile cultural relics

A technology of surface resistance and aging degree, applied in the field of cultural relics detection, can solve problems such as non-destructive description of aging degree

Active Publication Date: 2020-05-26
CHINA NAT SILK MUSEUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of evaluating the aging degree of textile cultural relics under non-destructive conditions, the present invention provides a surface resistance evaluation method for the aging degree of ancient textile cultural relics, which can obtain the aging degree results without sampling, so it can better solve the aging degree of cultural relics The problem of non-destructive description provides a reliable method for better preservation of textile cultural relics

Method used

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  • Surface resistance evaluation method for aging degree of ancient textile cultural relics
  • Surface resistance evaluation method for aging degree of ancient textile cultural relics
  • Surface resistance evaluation method for aging degree of ancient textile cultural relics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 1) A 99.5% pure copper backing material with a thickness of 1mm is placed under the modern simulated aging wool fabric sample, the surface of the sample is flat and fits the upper surface of the backing material; the overall dimensions of the pure copper backing material are length: 6cm, 4cm wide. The modern simulated aging wool fabric sample is to cut the modern wool fabric into strips of 20cm x 5cm, put them flat on a porcelain tray, and then put them into an oven at 150°C, and the tray is fixed on the same layer. In order to make the treatment effect of the aging sample more stable, turn it over every other day and move it in parallel. Take out samples at 4d, 8d, 12d, 16d, 20d, and 24d respectively to obtain heat-aged samples;

[0044] 2) Place the two electrodes of the calibrated resistance tester on the surface of the modern simulated aging wool fabric sample, measure the surface resistance between the two electrodes, read the value and record it;

[0045] 3) Acc...

Embodiment 2

[0049] 1) A 99.5% pure copper backing material with a thickness of 2mm is placed under the hemp cultural relic fragments, and the surface of the cultural relics is flat and attached to the upper surface of the backing material; the overall dimensions of the pure copper backing material are length: 6cm, 3cm wide. The fragments of linen cultural relics mentioned were unearthed in Henan, about 2,700 years ago.

[0050] 2) Use a surface resistance meter to gently place it on the surface of the cultural relic fragment to measure the surface resistance between the two conductive strips, read the value and record it;

[0051] 3) According to the surface resistance data, compare the surface resistance value range of the modern analog samples with different aging degrees of linen fabrics, and judge the aging state of the cultural relics;

[0052] The surface resistance value of final embodiment 2 is as figure 2 As shown, the cultural relic fragment is woven with two different colors...

Embodiment 3

[0054] 1) Place a 99.9% pure silver backing material with a thickness of 0.5mm under the woolen cultural relic fragment, and the surface of the cultural relic is flat and attached to the upper surface of the backing material; the outer dimension of the pure silver backing material is length: 5cm, 4cm wide. The said fragments of woolen cultural relics are waist garments unearthed in Xinjiang, dated to the Xiaohe period about 3,800 years ago.

[0055] 2) Use a surface resistance meter to gently place it on the surface of the cultural relic fragment to measure the surface resistance between the two conductive strips, read the value and record it;

[0056] 3) According to the surface resistance data, compare the surface resistance value range of the modern analog samples with different aging degrees of linen fabrics, and judge the aging state of the cultural relics;

[0057] The surface resistance value of final embodiment 3 is as image 3 As shown, the waistcoat is woven from w...

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Abstract

The invention relates to the technical field of cultural relic detection, and discloses a surface resistance evaluation method for the aging degree of ancient textile cultural relics, and the method comprises the steps: 1) placing a strip-shaped backing material below a to-be-detected textile cultural relic; 2) measuring the surface resistance of the textile cultural relics; 3) comparing the surface resistance value with the aging degree surface resistance of the modern simulation sample according to the material type, and determining the value range of the surface resistance value; 4) judgingthe aging degree state of the textile cultural relics; and 5) comparing the surface resistance value with the corresponding relationship between the breaking strength retention rate of the modern simulation sample and the surface resistance according to the material type, and speculating the fabric breaking strength retention rate reached by the measured object according to the corresponding relationship. The surface resistance sensitivity of the sample can be improved on the premise of not damaging and applying pressure to the sample, and the aging degree of the textile cultural relics can be quickly and nondestructively judged by combining the corresponding relation between the breaking strength and the surface resistance.

Description

technical field [0001] The invention relates to the technical field of cultural relics detection, in particular to a surface resistance evaluation method for the aging degree of ancient textile cultural relics. Background technique [0002] Textile cultural relics, including silk, cotton, woolen and linen, are aging after unearthed and in the collection process. Due to the rarity of cultural relics, mechanical testing methods cannot be used to test the breaking strength performance. The test is destructive and cannot be directly judged. The fiber breaking strength of textiles makes it impossible to intuitively judge the breaking strength of textile cultural relics after aging. At present, amino acid analysis, infrared spectrum analysis, microscope magnification observation, proteomics and other methods are applied on the premise of collecting samples of cultural relics. For precious cultural relics, due to their special uniqueness, non-renewability and irreplaceability, samp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/04G01N33/36
CPCG01N27/041G01N33/367
Inventor 杨海亮郑海玲周旸赵丰
Owner CHINA NAT SILK MUSEUM
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