Effect of hygrothermal aging on the mechanical properties and ductile fracture of polyamide 6: Experimental and numerical approaches

被引：36

作者：

Taktak, Rym ^{[1
]}

Guermazi, Noamen ^{[1
]}

Derbeli, Jihed ^{[1
]}

Haddar, Nader ^{[1
]}

机构：

[1] Univ Sfax, LGME, ENIS, Sfax, Tunisia

来源：

ENGINEERING FRACTURE MECHANICS | 2015年 / 148卷

关键词：

Hygrothermal aging; Polyamide; 6; Mechanical properties; Ductile fracture; FE analysis; FIBER-REINFORCED POLYAMIDE; NANOCOMPOSITES; COMPOSITES; MOISTURE; BEHAVIOR; MODEL;

D O I：

10.1016/j.engfracmech.2015.09.001

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In this paper we present an experimental and numerical approaches aimed to assess the hygrothermal aging effect on the mechanical properties and ductile tearing of polyamide 6 (PA6). Conditioning was conducted at different temperatures (24 +/- 3, 70 and 90 degrees C) and diffusion coefficients were estimated. The behavior of PA6 is discussed before and after aging. Digital Image Correlation (DIC) method was used to precise the displacement field at different steps of loading. A numerical model based on the local approach to fracture mechanics was tested to predict ductile tearing of PA6. Excellent agreement was proved with experimental results in terms of the J-Da, load-displacement and CTOD-Da curves. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：122 / 133

页数：12

共 30 条

[21] ON DUCTILE ENLARGEMENT OF VOIDS IN TRIAXIAL STRESS FIELDS
RICE, JR
TRACEY, DM
[J]. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 1969, 17 (03) : 201 - +
[22] ROBERT F.L., 1993, MECH PROPERTIES POLY
[23] Fracture characterization of ductile polymers through methods based on load separation
Rodriguez, C.
Maspoch, M. Ll.
Belzunce, F. J.
[J]. POLYMER TESTING, 2009, 28 (02) : 204 - 208
[24] Seltzer R., 2011, Innovative Developments in Virtual and Physical Prototyping, P287
[25] Multiscale modeling of damage progression in nylon 6/clay nanocomposites
Song, Shaoning
Chen, Yu
Su, Zhoucheng
Quan, Chenggen
Tan, Vincent B. C.
[J]. COMPOSITES SCIENCE AND TECHNOLOGY, 2014, 100 : 189 - 197
[26] Water transport in epoxy/MWCNT composites
Starkova, O.
Buschhorn, S. T.
Mannov, E.
Schulte, K.
Aniskevich, A.
[J]. EUROPEAN POLYMER JOURNAL, 2013, 49 (08) : 2138 - 2148
[27] Analysis of ductile tearing using a local approach to fracture
Taktak, R.
Benseddiq, N.
Imad, A.
[J]. FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2009, 32 (06) : 525 - 530
[28] Moisture absorption in polyamide-6 silicate nanocomposites and its influence on the mechanical properties
Vlasveld, DPN
Groenewold, J
Bersee, HEN
Picken, SJ
[J]. POLYMER, 2005, 46 (26) : 12567 - 12576
[29] Ductile to brittle transition fracture behaviour of ductile steel at high strain rates
Wall, O
Bergmark, A
[J]. JOURNAL DE PHYSIQUE IV, 1997, 7 (C3): : 1051 - 1056
[30] Void growth and damage models for predicting ductile fracture in welds
[J]. Wilsius, J., 2000, (23)

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