Mechanical properties and fracture performance of nanoclay-reinforced polypropylene modified with maleic anhydride

Shing Chung Wong; Ling Chen; Tianxi Liu; Chaobin He; Xuehong Lu

doi:10.1016/B978-1-85573-831-7.50121-8

Mechanical properties and fracture performance of nanoclay-reinforced polypropylene modified with maleic anhydride

Shing Chung Wong^*, Ling Chen, Tianxi Liu, Chaobin He, Xuehong Lu

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

It is unclear fracture perfonnance can benefit from well exfoliated clays at nanoscale in polymer matrices. The size and length scales of nanoclay particles do not offer crack bridging, deflection, debonding or cavitation mechanisms. However, our investigations using continuum fracture mechanics and small-angle X-ray scattering (SAXS) in nanoclay-reinforced polypropylene demonstrated increases in plastic zone size proportional to the increases in fracture toughness and the relative invariant measured from SAXS. Our results reinforced the notion that it is plausible for nanoscale reinforcements to play a toughening role in addition to strengthening and stiffening contributions. The correlation between the toughness increase and the matrix plastic defonnation was evident.

Original language	English
Title of host publication	Composite Technologies for 2020
Subtitle of host publication	Proceedings of the Fourth Asian-Australasian Conference on Composite Materials (ACCM 4)
Publisher	Elsevier
Pages	713-718
Number of pages	6
ISBN (Electronic)	9781855738317
DOIs	https://doi.org/10.1016/B978-1-85573-831-7.50121-8
Publication status	Published - Jun 1 2004
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2004 Woodhead Publishing Limited. All rights reserved.

ASJC Scopus Subject Areas

General Engineering
General Materials Science

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10.1016/B978-1-85573-831-7.50121-8

Cite this

Wong, S. C., Chen, L., Liu, T., He, C., & Lu, X. (2004). Mechanical properties and fracture performance of nanoclay-reinforced polypropylene modified with maleic anhydride. In Composite Technologies for 2020: Proceedings of the Fourth Asian-Australasian Conference on Composite Materials (ACCM 4) (pp. 713-718). Elsevier. https://doi.org/10.1016/B978-1-85573-831-7.50121-8

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abstract = "It is unclear fracture perfonnance can benefit from well exfoliated clays at nanoscale in polymer matrices. The size and length scales of nanoclay particles do not offer crack bridging, deflection, debonding or cavitation mechanisms. However, our investigations using continuum fracture mechanics and small-angle X-ray scattering (SAXS) in nanoclay-reinforced polypropylene demonstrated increases in plastic zone size proportional to the increases in fracture toughness and the relative invariant measured from SAXS. Our results reinforced the notion that it is plausible for nanoscale reinforcements to play a toughening role in addition to strengthening and stiffening contributions. The correlation between the toughness increase and the matrix plastic defonnation was evident.",

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Mechanical properties and fracture performance of nanoclay-reinforced polypropylene modified with maleic anhydride. / Wong, Shing Chung; Chen, Ling; Liu, Tianxi et al.
Composite Technologies for 2020: Proceedings of the Fourth Asian-Australasian Conference on Composite Materials (ACCM 4). Elsevier, 2004. p. 713-718.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

TY - CHAP

T1 - Mechanical properties and fracture performance of nanoclay-reinforced polypropylene modified with maleic anhydride

AU - Wong, Shing Chung

AU - Chen, Ling

AU - Liu, Tianxi

AU - He, Chaobin

AU - Lu, Xuehong

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N2 - It is unclear fracture perfonnance can benefit from well exfoliated clays at nanoscale in polymer matrices. The size and length scales of nanoclay particles do not offer crack bridging, deflection, debonding or cavitation mechanisms. However, our investigations using continuum fracture mechanics and small-angle X-ray scattering (SAXS) in nanoclay-reinforced polypropylene demonstrated increases in plastic zone size proportional to the increases in fracture toughness and the relative invariant measured from SAXS. Our results reinforced the notion that it is plausible for nanoscale reinforcements to play a toughening role in addition to strengthening and stiffening contributions. The correlation between the toughness increase and the matrix plastic defonnation was evident.

AB - It is unclear fracture perfonnance can benefit from well exfoliated clays at nanoscale in polymer matrices. The size and length scales of nanoclay particles do not offer crack bridging, deflection, debonding or cavitation mechanisms. However, our investigations using continuum fracture mechanics and small-angle X-ray scattering (SAXS) in nanoclay-reinforced polypropylene demonstrated increases in plastic zone size proportional to the increases in fracture toughness and the relative invariant measured from SAXS. Our results reinforced the notion that it is plausible for nanoscale reinforcements to play a toughening role in addition to strengthening and stiffening contributions. The correlation between the toughness increase and the matrix plastic defonnation was evident.

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Mechanical properties and fracture performance of nanoclay-reinforced polypropylene modified with maleic anhydride

Abstract

Bibliographical note

ASJC Scopus Subject Areas

Access to Document

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