Preparation and Spectra Study of Artificially Degraded Waterlogged Wood

Meng-ruo WU; Zhen-fang QIN; Liu-yang HAN; Xiang-na HAN

doi:10.3964/j.issn.1000-0593(2022)09-2941-06

Spectroscopy and Spectral Analysis, Volume. 42, Issue 9, 2941(2022)

Preparation and Spectra Study of Artificially Degraded Waterlogged Wood

Meng-ruo WU*... Zhen-fang QIN, Liu-yang HAN and Xiang-na HAN*; |Show fewer author(s)

Institute of Cultural Heritage and History of Science & Technology, University of Science and Technology Beijing, Beijing 100083, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(5)

Fig. 1. Pictures of waterlogged (a) and dried (b) artificially degraded waterlogged wood samples
A1: 20% NaOH impregnation (3 d); A2: 20% NaOH impregnation (5 d); A3: 20% NaOH impregnation (7 d); A4: 20% NaOH impregnation (14 d); B1: Water-hydrothermal method; B2: 1%NaOH-hydrothermal combined method; B3: 1%NaOH-vacuum impregnation-hydrothermal combined method

Download full size

View in Article

Fig. 2. FTIR spectra of artificially degraded waterlogged wood samples
(a): NaOH method; (b): Hydrothermal method

Download full size

View in Article

Fig. 3. NIR spectra of artificially degraded waterlogged wood samples
(a): NaOH method; (b): Hydrothermal method

Download full size

View in Article

Table 1. The mass loss, basic density and maximum water content of artificially degraded waterlogged wood samples

View table

View in Article

Table 1. The mass loss, basic density and maximum water content of artificially degraded waterlogged wood samples

处理方法	质量损失率/%	基本密度/(g·cm^-3)	最大含水率/%
对照组	4.51±0.37	0.333±0.012	227.60±17.28
20%NaOH浸渍(3 d)	23.71±3.13	0.307±0.022	255.80±22.70
20%NaOH浸渍(5 d)	25.33±3.12	0.286±0.022	274.44±27.32
20%NaOH浸渍(7 d)	31.23±1.75	0.309±0.031	262.99±33.11
20%NaOH浸渍(14 d)	31.26±3.50	0.313±0.015	254.14±16.71
纯水-水热	33.89±0.48	0.247±0.012	340.23±19.97
1%NaOH-水热联用	51.55±1.87	0.182±0.004	524.33±82.36
1%NaOH-真空浸渍-水热联用	47.57±0.17	0.158±0.018	575.87±70.98

Table 2. Hardness value and reduction ratio of artificially degraded waterlogged wood

View table

View in Article

Table 2. Hardness value and reduction ratio of artificially degraded waterlogged wood

处理方法	湿硬度值/HA			相对对照组降低比例/%
处理方法	横切面	径切面	弦切面	横切面	径切面	弦切面
对照组	118.00±2.21	108.58±6.87	112.50±2.59	-	-	-
20%NaOH浸渍(3 d)	86.75±5.05	90.23±4.52	94.94±5.22	26.48	16.90	15.61
20%NaOH浸渍(5 d)	78.50±5.69	82.15±6.07	88.73±7.02	33.47	24.34	21.13
20%NaOH浸渍(7 d)	86.25±9.26	88.48±5.60	91.17±10.94	26.91	18.51	18.96
20%NaOH浸渍(14 d)	77.71±7.67	87.19±6.51	87.81±11.45	34.14	19.70	21.95
纯水-水热	95.78±8.35	90.72±7.65	93.00±5.34	18.83	16.45	17.33
1%NaOH-水热联用	55.69±6.51	71.17±7.65	77.75±8.61	52.81	34.45	30.89
1%NaOH-真空浸渍-水热联用	45.94±5.57	64.21±6.42	74.36±7.60	61.07	40.86	33.90

Tools

Get Citation

Copy Citation Text

Meng-ruo WU, Zhen-fang QIN, Liu-yang HAN, Xiang-na HAN. Preparation and Spectra Study of Artificially Degraded Waterlogged Wood[J]. Spectroscopy and Spectral Analysis, 2022, 42(9): 2941

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Research Articles

Received: Jul. 22, 2021

Accepted: Nov. 22, 2021

Published Online: Nov. 17, 2022

The Author Email: WU Meng-ruo (wumengruo@163.com)

DOI:10.3964/j.issn.1000-0593(2022)09-2941-06

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. The mass loss, basic density and maximum water content of artificially degraded waterlogged wood samples

Table 1. The mass loss, basic density and maximum water content of artificially degraded waterlogged wood samples

Table 2. Hardness value and reduction ratio of artificially degraded waterlogged wood

Table 2. Hardness value and reduction ratio of artificially degraded waterlogged wood

微信扫一扫：分享