ICCAS OpenIR
Brittle-ductile transition of polypropylene/ethyllene-propylene-diene monomer blends induced by size, temperature, and time
Jiang, W; Yu, DH; An, LJ; Jiang, BZ
2004-04-15
Source PublicationJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
ISSN0887-6266
Volume42Issue:8Pages:1433-1440
AbstractTo study the brittle-ductile transition (BDT) of polypropylene (PP)/ethylene-propylene-diene monomer (EPDM) blends induced by size, temperature, and time, the toughness of the PP/EPDM blends was investigated over wide ranges of EPDM content, temperature, and strain rate. The toughness of the blends was determined from the tensile fracture energy of the side-edge notched samples. The concept of interparticle distance (ID) was introduced into this study to probe the size effect on the BDT of PP/EPDM blends, whereas the effect of time corresponded to that of strain rate. The BDT induced by size, temperature, and time was observed in the fracture energy versus ID, temperature, and strain rate. The critical BDT temperatures for various EPDM contents at different initial strain rates were obtained from these transitions. The critical interparticle distance (IDc) increased nonlinearly with increasing temperature, and when the initial strain rate was lower, the IDc was larger. Moreover, the variation of the reciprocal of the initial strain rate with the reciprocal of temperature followed different straight lines for various EPDM contents. These straight lines were with the same slope. Furthermore, a diagram at critical BDT points in three dimensions (ID, T, and initial strain rate) was given for the PP/EPDM blends. The brittle and ductile zones are clearly shown in this diagram. (C) 2004 Wiley Periodicals, Inc.
KeywordPp/epdm Blends Toughness Brittle-ductile Transition
DOI10.1002/polb.20023
Indexed BySCI
Language英语
WOS IDWOS:000220547800009
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81890
Collection中国科学院化学研究所
Corresponding AuthorJiang, W
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Aalborg Univ, Dept Environm Engn, DK-9000 Aalborg, Denmark
Recommended Citation
GB/T 7714
Jiang, W,Yu, DH,An, LJ,et al. Brittle-ductile transition of polypropylene/ethyllene-propylene-diene monomer blends induced by size, temperature, and time[J]. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,2004,42(8):1433-1440.
APA Jiang, W,Yu, DH,An, LJ,&Jiang, BZ.(2004).Brittle-ductile transition of polypropylene/ethyllene-propylene-diene monomer blends induced by size, temperature, and time.JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,42(8),1433-1440.
MLA Jiang, W,et al."Brittle-ductile transition of polypropylene/ethyllene-propylene-diene monomer blends induced by size, temperature, and time".JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 42.8(2004):1433-1440.
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