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Foaming polyethylene (EPE) and foamed polypropylene (EPP) were tested in drop-weight experiments to study the dynamic mechanical behavior of polymeric foams. With the proposal of a method to obtain stress-strain curve under certain strain rate, constitutive model of EPE was established in Low Density Foam. Comparison was made between real experiment and simulation results and the accuracy was validated. Based on the constitutive model, energy absorption and protective performance of polymeric foam was evaluated in refrigerator package drop experiments.

, authors=Xiao-Hu YAO1, Hui-Lan REN2, Rong LIN3, Xiao-Qing ZHANG1, authorsList=Xiao-Hu YAO, Hui-Lan REN, Rong LIN, Xiao-Qing ZHANG, authorCompany=null, correspAuthors=Hui-Lan REN, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1325115014918570850, articleId=1325115014390088544, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=聚合物泡沫材料动态力学性能及其能量吸收研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

通过落锤实验,对发泡聚乙烯(EPE)、发泡聚丙烯(EPP)材料的动态力学性能进行了研究,提出了一种获得聚合物泡沫材料在恒定应变率下本构曲线的方法,建立了EPE的Low Density Foam本构模型。以此为基础,探索了在冰箱跌落过程中,聚合物泡沫包装材料的能量吸收以及对冰箱抗跌落冲击的保护能力。

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姚小虎(1974—),男,博士,副教授,博士生导师,主要从事冲击动力学、纳米力学研究. E-mail:

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任会兰(1973—),女,博士,副教授,博士生导师,主要从事冲击动力学研究. E-mail:
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姚小虎(1974—),男,博士,副教授,博士生导师,主要从事冲击动力学、纳米力学研究. E-mail:

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姚小虎(1974—),男,博士,副教授,博士生导师,主要从事冲击动力学、纳米力学研究. E-mail:

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聚合物泡沫材料动态力学性能及其能量吸收研究
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姚小虎 1 , 任会兰 2 , 林荣 3 , 张晓晴 1
高压物理学报 | 2012,26(5): 531-536
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高压物理学报 | 2012 , 26 (5) : 531 -536
聚合物泡沫材料动态力学性能及其能量吸收研究
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姚小虎1 , 任会兰2 , 林荣3, 张晓晴1
作者信息
  • 1.华南理工大学土木与交通学院工程力学系,广东 广州 510640
  • 2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
  • 3.暨南大学理工学院,广东 广州 510640
通讯作者:
任会兰(1973—),女,博士,副教授,博士生导师,主要从事冲击动力学研究. E-mail:
作者简介:

姚小虎(1974—),男,博士,副教授,博士生导师,主要从事冲击动力学、纳米力学研究. E-mail:

Study on Dynamic Mechanical Properties and Energy Absorption of Polymeric Foams
Xiao-Hu YAO1 , Hui-Lan REN2 , Rong LIN3, Xiao-Qing ZHANG1
Affiliations
  • 1.Department of Engineering Mechanics, School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China
  • 2.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
  • 3.College of Science & Engineering, Jinan University, Guangzhou 510640, China
出版时间: 2012-10-15
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通过落锤实验,对发泡聚乙烯(EPE)、发泡聚丙烯(EPP)材料的动态力学性能进行了研究,提出了一种获得聚合物泡沫材料在恒定应变率下本构曲线的方法,建立了EPE的Low Density Foam本构模型。以此为基础,探索了在冰箱跌落过程中,聚合物泡沫包装材料的能量吸收以及对冰箱抗跌落冲击的保护能力。

聚合物泡沫  /  动态力学性能  /  本构模型  /  能量吸收

Foaming polyethylene (EPE) and foamed polypropylene (EPP) were tested in drop-weight experiments to study the dynamic mechanical behavior of polymeric foams. With the proposal of a method to obtain stress-strain curve under certain strain rate, constitutive model of EPE was established in Low Density Foam. Comparison was made between real experiment and simulation results and the accuracy was validated. Based on the constitutive model, energy absorption and protective performance of polymeric foam was evaluated in refrigerator package drop experiments.

polymeric foams  /  dynamic mechanical properties  /  constitutive model  /  energy absorption
姚小虎, 任会兰, 林荣, 张晓晴. 聚合物泡沫材料动态力学性能及其能量吸收研究. 高压物理学报, 2012 , 26 (5) : 531 -536 .
Xiao-Hu YAO, Hui-Lan REN, Rong LIN, Xiao-Qing ZHANG. Study on Dynamic Mechanical Properties and Energy Absorption of Polymeric Foams[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (5) : 531 -536 .
  • 国家重点基础研究发展计划(2010CB832706)
  • 国家自然科学基金(11172045)
参考文献 引证文献
排序方式:
[1]
Subhash G, Liu Q, Gao X L. Quasistatic and high strain rate uniaxial compressive response of polymeric structural foams[J]. Int J Impact Eng, 2006, 32(7): 1113-1126.
[2]
Viot P, Beani F, Lataillade J -L. Polymeric foam behavior under dynamic compressive loading[J]. J Mater Sci, 2005, 40(22): 5829-5837.
[3]
Lee Y S, Park N H, Yoon H S. Dynamic mechanical characteristics of expanded polypropylene foams[J]. J Cellular Plastics, 2010, 46(1): 43-45.
[4]
Mills N J, Stämpfli R, Marone F, et al. Finite element micromechanics model of impact compression of closed-cell polymer foams[J]. Int J Solids Struct, 2009, 46(3-4): 677-697.
[5]
Alvarez P, Mendizabal A, Petite M M, et al. Finite element modelling of compressive mechanical behaviour of high and low density polymeric foams[J]. Mater Sci Eng Technol, 2009, 40(3): 126-132.
2012年第26卷第5期
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  • 接收时间:2011-10-20
  • 首发时间:2026-11-05
  • 出版时间:2012-10-15
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  • 收稿日期:2011-10-20
  • 修回日期:2012-03-26
基金
国家重点基础研究发展计划(2010CB832706)
国家自然科学基金(11172045)
作者信息
    1.华南理工大学土木与交通学院工程力学系,广东 广州 510640
    2.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
    3.暨南大学理工学院,广东 广州 510640

通讯作者:

任会兰(1973—),女,博士,副教授,博士生导师,主要从事冲击动力学研究. E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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