| 生物质固化成型制品表面裂纹试验研究 |
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| 引用本文： | 陈晓青,陆萍,董玉平,贾剑.生物质固化成型制品表面裂纹试验研究[J].农机化研究,2010,32(2). |
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| 作者姓名： | 陈晓青 陆萍 董玉平 贾剑 |
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| 作者单位： | 山东大学,机械工程学院,济南,250061 |
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| 基金项目： | 国家高新技术研究发展(863)计划项目(2006AA052243) |
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| 摘 要： | 针对目前生物质热压成型制品表面易出现裂纹及变形现象,通过试验研究了裂纹形成的影响因素,并结合相关研究成果探讨了裂纹形成的根本原因。结果表明:含水率和进料速度等因素影响裂纹的形成;挤压中材料屈服强度后的塑性流动过程产生的剪应力是裂纹形成的根本原因;保型筒对于减少裂纹的功用主要作用于成型过程的塑性流动阶段。
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| 关 键 词： | 生物质 固化成型 裂纹 保型 |
The Research of Surface Crack of Biomass Briquetting's Products |
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| Chen Xiaoqing,Lu Ping,Dong Yuping,Jia Jian.The Research of Surface Crack of Biomass Briquetting's Products[J].Journal of Agricultural Mechanization Research,2010,32(2). |
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| Authors: | Chen Xiaoqing Lu Ping Dong Yuping Jia Jian |
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| Institution: | College of Mechanical Engineering/a>;Shandong University/a>;Jinan 250061/a>;China |
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| Abstract: | Allusion to the crack and transfiguration of biomass in the hot forming process at present,the research will analyze the factors and probe into the root causes of the cracks.Three achievements are received which crack is related to rate of water content,charging rate and other factors;the shearing strength originated in the process of plasticity flow after material reached yield strength is the main cause resulted to craze;the function of keeping model canister to cut down crack mainly acts on the process o... |
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| Keywords: | biomass molding of solidify surface crack keeping model |
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