scholarly journals Stress Relaxation Behavior of Unidirectional CFRP at Elevated Temperature and Analysis Using a Viscoplasticity Model.

2002 ◽  
Vol 68 (673) ◽  
pp. 1320-1327
Author(s):  
Masamichi KAWAI ◽  
Takeshi KAZAMA ◽  
Yoichi MASUKO ◽  
Hiroshi TSUDA ◽  
Jun TAKAHASHI ◽  
...  
Keyword(s):  
Elevated Temperature ◽  
Stress Relaxation ◽  
Relaxation Behavior ◽  
Stress Relaxation Behavior

scholarly journals Stress Relaxation Behavior of Unidirectional Carbon/Epoxy Composites at Elevated Temperature and Analysis Using Viscoplasticity Model

2004 ◽  
Vol 47 (1) ◽  
pp. 8-16 ◽  
Author(s):  
Masamichi KAWAI ◽  
Takeshi KAZAMA ◽  
Yoichi MASUKO ◽  
Hiroshi TSUDA ◽  
Jun TAKAHASHI ◽  
...  
Keyword(s):  
Elevated Temperature ◽  
Stress Relaxation ◽  
Relaxation Behavior ◽  
Epoxy Composites ◽  
Stress Relaxation Behavior

Stress Relaxation Behavior of Unidirectional CFRP at Elevated Temperature

2000 ◽  
Vol 2000.1 (0) ◽  
pp. 587-588
Author(s):  
Masamichi KAWAI ◽  
Takeshi KAZAMA ◽  
Yoichi MASUKO ◽  
Hiroshi TSUDA ◽  
Jun TAKAHASHI ◽  
...  
Keyword(s):  
Elevated Temperature ◽  
Stress Relaxation ◽  
Relaxation Behavior ◽  
Stress Relaxation Behavior

Effects of accelerator type on stress relaxation behavior and network structure of aged natural rubber/chloroprene rubber vulcanizates

2016 ◽  
Vol 49 (5) ◽  
pp. 381-396 ◽  
Author(s):  
Farzad A Nobari Azar ◽  
Murat Şen
Keyword(s):  
Stress Relaxation ◽  
Natural Rubber ◽  
Network Structure ◽  
Structural Changes ◽  
Relaxation Behavior ◽  
Stress Relaxation Behavior ◽  
Rubber Blends ◽  
Chloroprene Rubber ◽  
Weather Changes ◽  
Behavior Network

Natural rubber/chloroprene rubber (NR/CR) blends are among the commonly used rubber blends in industry and continuously are exposed to severe weather changes. To investigate the effects of accelerator type on the network structure and stress relaxation of unaged and aged NR/CE vulcanizates, tetramethyl thiuram disulfide, 2-mercaptobenzothiazole, and diphenyl guanidine accelerators have been chosen to represent fast, moderate, and slow accelerator groups, respectively. Three batches have been prepared with exactly the same components and mixing conditions differing only in accelerator type. Temperatures scanning stress relaxation and pulse nuclear magnetic resonance techniques have been used to reveal the structural changes of differently accelerated rubber blends before and after weathering. Nonoxidative thermal decomposition analyses have been carried out using a thermogravimetric analyzer. Results indicate that there is a strong interdependence between accelerator type and stress relaxation behavior, network structure, cross-linking density, and aging behavior of the blends. Accelerator type also affects decomposition energy of the blends.

scholarly journals Stress-relaxation behavior in gels with ionic and covalent crosslinks

2010 ◽  
Vol 107 (6) ◽  
pp. 063509 ◽  
Author(s):  
Xuanhe Zhao ◽  
Nathaniel Huebsch ◽  
David J. Mooney ◽  
Zhigang Suo
Keyword(s):  
Stress Relaxation ◽  
Relaxation Behavior ◽  
Stress Relaxation Behavior ◽  
Covalent Crosslinks
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