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Proceedings of 2012 International Conference on Biobase Material Science and Engineering最新文献

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Study of PMUF-CaCO3 copolymerization resin preparing WINC PMUF-CaCO3共聚树脂制备WINC的研究
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466209
Guoliang Li, Zhengquan Jia, Jian Li
{"title":"Study of PMUF-CaCO3 copolymerization resin preparing WINC","authors":"Guoliang Li, Zhengquan Jia, Jian Li","doi":"10.1109/BMSE.2012.6466209","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466209","url":null,"abstract":"This paper instructs the development situation of polymer-nanomaterial prepared by nanometer materials modifying PMUF, and puts forward to synthesizing nano-CaCO3 by the metathesis method in homemade PMUF system. The copolymerization resin PMUF-CaCO3 formed is dipped by the vacuum-pressure into the poplar veneers to prepare wood inorganic nanometer composite (WINC). The thermal stability and hardness of PMUF-CaCO3 and poplar composite are obvious improved.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121921147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Manufacturing high strength and dimensional stable strand panels via optimizing panel manufacturing conditions 通过优化面板制造条件，制造出高强度、尺寸稳定的线束面板
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466221
Hui Wan, Xiang-Ming Wang, K. Groves
{"title":"Manufacturing high strength and dimensional stable strand panels via optimizing panel manufacturing conditions","authors":"Hui Wan, Xiang-Ming Wang, K. Groves","doi":"10.1109/BMSE.2012.6466221","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466221","url":null,"abstract":"Aspen has traditionally been used as the only feedstock for OSB panel production in Canada over the past 30 years. With aspen becoming less available to most Canadian OSB mills, the OSB industry has to use alternative wood species such as white birch and sugar maple as a partial substitute for aspen in OSB production. This has a significant influence on OSB panel performance. To address this issue, a significant amount of research work has recently been performed to engineer panel structure based on the wood strength and wood density features, as well as panel manufacturing technologies. As a result, stronger and more dimensionally stable strand panels can be made from mixed wood species which are especially appreciated for flooring substrate applications. This paper has also reviewed the most recent progress in understanding the key factors affecting OSB panel performance and new technologies developed to produce high-performance OSB panels. The technical challenges in further increasing the use of birch and maple in OSB manufacturing has also been discussed.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130976239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurement of rolling shear modulus of Cross Laminated Timber: Exploratory study using downscaled specimens under variable span bending tests 测量交叉叠层木材的滚动剪切模量:在变跨度弯曲试验下使用缩小尺寸的试样的探索性研究
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466175
Qinyi Zhou, Meng Gong, Y. Chui, M. Mohammand
{"title":"Measurement of rolling shear modulus of Cross Laminated Timber: Exploratory study using downscaled specimens under variable span bending tests","authors":"Qinyi Zhou, Meng Gong, Y. Chui, M. Mohammand","doi":"10.1109/BMSE.2012.6466175","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466175","url":null,"abstract":"The purpose of this study was to measure the rolling shear modulus of Cross Laminated Timber (CLT), which was achieved by conducting 3-point bending tests with variable span using downscaled sandwich specimens. Two types of sandwich specimens were employed: steel-wood-steel (SWS) and wood-wood-wood (WWW). Experimental results from SWS specimens were verified with those predicted from WWW ones through the shear analogy method. Effects of span-to-depth ratio (l/h) and growth ring orientation on rolling shear modulus (GRT) were also examined. It was found that the average deflection of WWW specimens tested at l/h of 6.5 could be well predicted using the shear analogy method based on true elasticity of modulus (Em) and GRT of the cross layer measured using SWS specimens under variable span tests. The results also showed that the cross layer of `in-between' growth ring orientation could gain the higher rolling shear modulus than that of flat sawn or quarter sawn one.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127896604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Effect of freeze dry on the properties of cellulose nanofibrils/phenol formaldehyde nanocomposites 冻干对纤维素纳米原纤维/酚醛纳米复合材料性能的影响
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466215
Yan Qing, Yiqiang Wu, Zhiyong Cai, R. Sabo
{"title":"Effect of freeze dry on the properties of cellulose nanofibrils/phenol formaldehyde nanocomposites","authors":"Yan Qing, Yiqiang Wu, Zhiyong Cai, R. Sabo","doi":"10.1109/BMSE.2012.6466215","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466215","url":null,"abstract":"In order to decrease the process time and obtain wrinkle-free CNF and CNF-PF composite films, freeze dry were employed in this work to remove the excessive water in wet films. The nanocompsoites were prepared by hot pressing the freeze-dried films. The morphology, main physical and mechanical properties were evaluated. Results show both CNF and CNF-PF composite films exhibit uncontinuous spots, which are considered as voids contributed to low-temperature dry. The films are flexible and strong, though addition of PF has little effect on the increase of mechanical strength. Compared with mechanical strength of films prepared by oven dry, the freeze dry leads to relative decrease of strength. However, when considering the time consumption, freeze dry is an effective way to prepare CNF and its based nanocomposite.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126294855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on Fe/Woodceramics composites 铁/木陶瓷复合材料的研究
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466179
Weihong Zhou, Y. Yu
{"title":"Study on Fe/Woodceramics composites","authors":"Weihong Zhou, Y. Yu","doi":"10.1109/BMSE.2012.6466179","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466179","url":null,"abstract":"Fe/Woodceramics (Fe/WCMs) composites are prepared by dipping bamboo powder into ferric salt solution, dropping alkali, mixing with furane resin, and then having the mixture molded and finally sintered in high temperature. Microstructures of Fe/WCMs are measured by using X-ray diffraction (XRD) and scanning electron microscopy (SEM). XRD results indicate that the characteristic peaks of Fe are found. SEM photographs show that Fe crystals are distributed in the glassy carbon. The effects of concentration of ferric salt on volume shrinkage ratio and volume electrical resistivity of the composites are investigated. The results show that the volume shrinkage ratio and the volume electrical resistivity decrease with an increase in concentration of ferric salt.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114142892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative study on microstructure of Mongolian pine wood thermally treated in steam condition 蒸汽条件下热处理蒙松木材微观结构的对比研究
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466224
D. Tao, Zhang Yaoli, Nai-Wen Wang, Feng-Ping Jia
{"title":"Comparative study on microstructure of Mongolian pine wood thermally treated in steam condition","authors":"D. Tao, Zhang Yaoli, Nai-Wen Wang, Feng-Ping Jia","doi":"10.1109/BMSE.2012.6466224","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466224","url":null,"abstract":"Mongolian pine wood was thermally treated at 205°C in atmospheric steam. Microstructure of heat-treated and control samples was investigated by means of light microscopy and scanning electronic microscopy (SEM). The results showed radial cracks between ray parenchyma cells and tracheids in latewood of heat-treated Mongolian pine. Besides, fissures were found between tracheids of heat-treated samples, especially at cell corners. Thermal degradation of cell wall components during heat treatment is considered as the main reason for the cracks and fissures. In light microscopy observation, earlywood tracheids of heat-treated samples were found curved or even cleaved. That is most probably due to the force of microtome knife, while not the direct outcome of heat treatment. No significant alteration of bordered pits or crossfield pits was found after heat treatment.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125895183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Strength properties of GIR (Glued-in-Rod) joint system subjected to shearing and tensile force 剪切和拉伸作用下GIR (glue -in- rod)节理系统的强度特性
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6467835
Xiaoguang Jiang, K. Tanaka, M. Inoue
{"title":"Strength properties of GIR (Glued-in-Rod) joint system subjected to shearing and tensile force","authors":"Xiaoguang Jiang, K. Tanaka, M. Inoue","doi":"10.1109/BMSE.2012.6467835","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6467835","url":null,"abstract":"GIR (Glued-in Rod) is a kind of joint system using rod and adhesive in timber structure. Comparing GIR system with existing technology, this joint system has some advantages such as high stiffness, high strength, convenient manufacture and good appearance etc., so it has received broad attention recently. Previously, many studies and experiments have been carried out, and this system is widely adapted for many kinds of timber structure. In our laboratory GIR joint system using steel rod has been developed since 1993. To study the strength properties of this type of GIR joint system, many experiment of tension, shearing and bending to this system were carried out, respectively. From these results, we proposed the calculation method of strength in case of the system subject to the simple stress. However, in actual structure the simple stress state is rare, the complex stress state almost exist. On the other hand, to adapt GIR joint system to multi-story timber building, it is necessary to make the calculation method of strength in case of the system subjected to complex stress. In this paper, in order to establish the evaluation method of strength, the experiment for the GIR joint system subjected to shearing and tensile force is carried out.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133435472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Rapid assessment of wood density of standing tre with nondestructive methods — A review 用无损方法快速评价立木木材密度。综述
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466226
Shan Gao, Xiping Wang, B. Brashaw, R. Ross, Lihai Wang
{"title":"Rapid assessment of wood density of standing tre with nondestructive methods — A review","authors":"Shan Gao, Xiping Wang, B. Brashaw, R. Ross, Lihai Wang","doi":"10.1109/BMSE.2012.6466226","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466226","url":null,"abstract":"Assessment of the quality of standing timber has become a crucial issue in the operational value chain as forestry and the wood processing industry are increasingly under economic pressure to maximize extracted value. A significant effort has been devoted toward developing robust nondestructive evaluation (NDE) technologies capable of predicting the intrinsic wood properties of individual trees, stems, and logs, and assessing the value of stands and forests. This paper provides a comprehensive review of the research results in the use of increment coring, needle penetration, nail withdrawal, and micro-drilling to determine wood density of standing trees.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133858254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Characterization of inhomogeneity perpendicular to the surface of composite boards 垂直于复合板表面的不均匀性表征
Proceedings of 2012 International Conference on Biobase Material Science and Engineering Pub Date : 2012-10-01 DOI: 10.1109/BMSE.2012.6466220
F. Divos, G. Markó
{"title":"Characterization of inhomogeneity perpendicular to the surface of composite boards","authors":"F. Divos, G. Markó","doi":"10.1109/BMSE.2012.6466220","DOIUrl":"https://doi.org/10.1109/BMSE.2012.6466220","url":null,"abstract":"To characterize the vertical inhomogeneity of composite materials, the ratio of the bending and longitudinal Modulus of Elasticity of the material is proposed. Veneer coated MDF board was used for the experiments. Very good correlation was found between the veneer and MDF layers modulus elasticity ratio and the proposed inhomogeneity parameter.","PeriodicalId":236980,"journal":{"name":"Proceedings of 2012 International Conference on Biobase Material Science and Engineering","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131465264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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