Essential Fracture Work of Short Fiber Reinforced Polymer Blends

Shing Chung Wong; Yiu Wing Mai

doi:10.1002/pen.11422

Essential Fracture Work of Short Fiber Reinforced Polymer Blends

Shing Chung Wong, Yiu Wing Mai

Research output: Journal article publication › Journal article › Academic research › peer-review

71 Citations (Scopus)

Abstract

Short glass fiber reinforced (SGFR) PA6,6/PP blends with 20 wt% styrene-ethylene/butylene-styrene triblock copolymers (SEBS) grafted with different levels of maleic anhydride (MA) were studied using both the essential work of fracture (EWF) and J-integral fracture toughness techniques. Good linearity was found between the plane strain specific fracture work, w_f, and the ligament length, l, in single-edge notched bend (SENB) specimens. The two fracture mechanics parameters were compared and there was good agreement between the J-integral fracture initiation toughness, J_IC, and the specific essential fracture work, w_Ie. The skin-core morphology characteristic of injection molded short fiber reinforced thermoplastics (SFRT) was also revealed using the EWF approach.

Original language	English
Pages (from-to)	356-364
Number of pages	9
Journal	Polymer Engineering and Science
Volume	39
Issue number	2
DOIs	https://doi.org/10.1002/pen.11422
Publication status	Published - Feb 1999
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Polymers and Plastics
Materials Chemistry

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10.1002/pen.11422

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title = "Essential Fracture Work of Short Fiber Reinforced Polymer Blends",

abstract = "Short glass fiber reinforced (SGFR) PA6,6/PP blends with 20 wt% styrene-ethylene/butylene-styrene triblock copolymers (SEBS) grafted with different levels of maleic anhydride (MA) were studied using both the essential work of fracture (EWF) and J-integral fracture toughness techniques. Good linearity was found between the plane strain specific fracture work, wf, and the ligament length, l, in single-edge notched bend (SENB) specimens. The two fracture mechanics parameters were compared and there was good agreement between the J-integral fracture initiation toughness, JIC, and the specific essential fracture work, wIe. The skin-core morphology characteristic of injection molded short fiber reinforced thermoplastics (SFRT) was also revealed using the EWF approach.",

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N2 - Short glass fiber reinforced (SGFR) PA6,6/PP blends with 20 wt% styrene-ethylene/butylene-styrene triblock copolymers (SEBS) grafted with different levels of maleic anhydride (MA) were studied using both the essential work of fracture (EWF) and J-integral fracture toughness techniques. Good linearity was found between the plane strain specific fracture work, wf, and the ligament length, l, in single-edge notched bend (SENB) specimens. The two fracture mechanics parameters were compared and there was good agreement between the J-integral fracture initiation toughness, JIC, and the specific essential fracture work, wIe. The skin-core morphology characteristic of injection molded short fiber reinforced thermoplastics (SFRT) was also revealed using the EWF approach.

AB - Short glass fiber reinforced (SGFR) PA6,6/PP blends with 20 wt% styrene-ethylene/butylene-styrene triblock copolymers (SEBS) grafted with different levels of maleic anhydride (MA) were studied using both the essential work of fracture (EWF) and J-integral fracture toughness techniques. Good linearity was found between the plane strain specific fracture work, wf, and the ligament length, l, in single-edge notched bend (SENB) specimens. The two fracture mechanics parameters were compared and there was good agreement between the J-integral fracture initiation toughness, JIC, and the specific essential fracture work, wIe. The skin-core morphology characteristic of injection molded short fiber reinforced thermoplastics (SFRT) was also revealed using the EWF approach.

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DO - 10.1002/pen.11422

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JO - Polymer Engineering and Science

JF - Polymer Engineering and Science

IS - 2

ER -

Essential Fracture Work of Short Fiber Reinforced Polymer Blends

Abstract

ASJC Scopus subject areas

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