THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO3 BLENDS*

FU Qiang; ZHANG Yulin; WANG Guiheng

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THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO3 BLENDS*

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- THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO3 BLENDS*
- Vol. 12, Issue 4, Pages: 309-315(1994)
- Affiliations：
  
  1.   Department of Polymer Science & Materials
  2.   Chengdu University of Science & Technology
  3.   Sichuan 610065
- Author bio：
- Funds：
- DOI：
  CLC： TQ325.12
- Published：20 December 1994
- Accepted：
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[1]傅强,张雨灵,王贵恒.THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO_3 BLENDS[J].Chinese Journal of Polymer Science,1994,{4}(04):309-315.

FU Qiang, ZHANG Yulin, WANG Guiheng. THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO3 BLENDS*[J]. 1994, 12(4): 309-315.
[1]傅强,张雨灵,王贵恒.THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO_3 BLENDS[J].Chinese Journal of Polymer Science,1994,{4}(04):309-315. DOI：

FU Qiang, ZHANG Yulin, WANG Guiheng. THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO3 BLENDS*[J]. 1994, 12(4): 309-315. DOI：

摘要

正

The effects of HDPE matrix toughness on the brittle-ductile transition of HDPE/CaCO

blends are investigated. Not all HDPE can be toughened by CaCO

particles. The ability of thematrix to yield plays a fundamental role in determing whether HDPE can be toughened or not.There exists a critical matrix toughness (I

≈45J/m) below which HDPE can not be toughenedobservably by CaCO

particle at given average size

and above which the critical matrix ligamentthickness （τ

） is proportional to matrix impact strength.

Abstract

The effects of HDPE matrix toughness on the brittle-ductile transition of HDPE/CaCO

blends are investigated. Not all HDPE can be toughened by CaCO

particles. The ability of thematrix to yield plays a fundamental role in determing whether HDPE can be toughened or not.There exists a critical matrix toughness (I

≈45J/m) below which HDPE can not be toughenedobservably by CaCO

particle at given average size

and above which the critical matrix ligamentthickness （τ

） is proportional to matrix impact strength.

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