In situ synchrotron wide-angle X-ray diffraction investigation of fatigue cracks in natural rubber

被引：35

作者：

Rublon, Pierre ^{[1
,2
]}

Huneau, Bertrand ^{[1
]}

Saintier, Nicolas ^{[3
]}

Beurrot, Stephanie ^{[1
]}

Leygue, Adrien ^{[1
]}

Verron, Erwan ^{[1
]}

Mocuta, Cristian ^{[4
]}

Thiaudiere, Dominique ^{[4
]}

Berghezan, Daniel ^{[2
]}

机构：

[1] LUNAM Univ, Ecole Cent Nantes, UMR CNRS 6183, GeM, F-44321 Nantes 3, France

[2] Ctr Tech Ladoux, Clermont Ferrand, France

[3] Ctr Bordeaux Talence, UMR CNRS 5295, I2M, Arts & Met ParisTech, F-33405 Talence, France

[4] Synchrotron Soleil, Orme Merisiers, F-91192 Gif Sur Yvette, France

来源：

JOURNAL OF SYNCHROTRON RADIATION | 2013年 / 20卷

关键词：

strain-induced crystallization (SIC); WAXD; fatigue; crack; natural rubber; STRAIN-INDUCED CRYSTALLIZATION; DEFORMATION; PROPAGATION; GROWTH; TIP;

D O I：

10.1107/S0909049512044457

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Natural rubber exhibits remarkable mechanical fatigue properties usually attributed to strain-induced crystallization. To investigate this phenomenon, an original experimental set-up that couples synchrotron radiation with a homemade fatigue machine has been developed. Diffraction-pattern recording is synchronized with cyclic loading in order to obtain spatial distributions of crystallinity in the sample at prescribed times of the mechanical cycles. Then, real-time measurement of crystallinity is permitted during uninterrupted fatigue experiments. First results demonstrate the relevance of the method: the set-up is successfully used to measure the crystallinity distribution around a fatigue crack tip in a carbon black filled natural rubber for different loading conditions.

引用

页码：105 / 109

页数：5

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