Article: Is the Loss of Stability Theory a Realistic Concept for Stress Relaxation-Mediated Cell Wall Expansion during Plant Growth?/Response to Schopfer Letter

Article: Applications for stress relaxation from the RPA in characterization and quality control. (controlling the viscoelastic quality of raw polymers)
Rubber World;  January 1, 1997 ;     700+ words ......rubber's viscoelasticity is to perform a stress relaxation experiment. The Maxwell Model shown...deformation results in a characteristic stress relaxation curve as shown. A log-log plot of...steepness of the slope of this log-log stress relaxation curve is a rapid method for ...

Article: Loss of Stability: A New Look at the Physics of Cell Wall Behavior during Plant Cell Growth[W][OA]
Plant Physiology;  November 1, 2007 ;     700+ words ......investigate aspects of turgor-driven plant...geometry and cell turgor pressure by extending...cylindrical cell. The turgor pressure predictions based...results show that turgor pressure predictions based...generated by cell turgor pressure. Turgor ...

Article: Biaxial Stress Relaxation of High Impact Polystyrene (HIPS) Above the Glass Transition Temperature.
Polymer Engineering and Science;  March 1, 2001 ;     700+ words ......performed to measure the biaxial stress relaxation of High Impact Polystyrene (HIPS...show that the time dependent biaxial stress relaxation properties were independent of the...or strain for small strains. The stress relaxation curves were fitted to a Prony series...

Article: Stress relaxation measurement.(Instruments)
Rubber World;  September 22, 2004 ;     73 words ...The EB 02 stress relaxation system for continuous measurement of stress relaxation in either compression or tension is available from the company. The stress relaxation can also be measured in different types of liquid. The results can be presented...

Article: Continuous compressive stress relaxation of elastomers used in engine sealing applications.
Rubber World;  February 1, 2004 ;     700+ words ...The use of compressive stress relaxation (CSR) measurements for screening...slowly gaining acceptance. Stress relaxation is a phenomenon which comes...physical and chemical aspects of stress relaxation will cause a reduction in...

Article: Preconditioning of porcine aortic valves required to generate reliable data.
Heart Disease Weekly;  September 12, 2004 ;     367 words ......12 - (NewsRx.com & NewsRx.net) -- Stress relaxation preconditioning of porcine aortic...preconditioning does not lead to repeatable stress relaxation curves. E.O. Carew and colleagues...generate repeatable load/elongation and stress relaxation curves. To quantify repeatability...

Article: New safety engineering research from Carleton University described.
Journal of Engineering;  May 27, 2009 ;     353 words ......from Ottawa, Canada, The stress relaxation behaviour of 21-4N, a manganese-stabiliz...strain levels during 'stepped' stress relaxation testing at 700 degrees C...strain level during isostrain stress relaxation tests at 538 degrees C and...

Article: Stress relaxation behavior of 3501-6 epoxy resin during cure.
Polymer Engineering and Science;  December 15, 1996 ;     700+ words ......at the end of the cure cycle since stress relaxation occurs quickly when the matrix is...Kim and White (2, 3) have presented stress relaxation test results for 3501-6 epoxy resin...cure. In this paper the results of stress relaxation testing and the development of a...

Article: Stress relaxation tester. (Suppliers Showcase: Instruments).(from H.W. Wallace and Co.)(Brief Article)
Rubber World;  November 1, 2001 ;     197 words ......to feature simple measurement of stress relaxation, a non-continuous method so that...tabulated or graphed by reaction force, stress relaxation or force retention, statistical analysis...including operator identification. Stress relaxation is said to be an important measurement...

Article: Stress relaxation as processability indicator.
Rubber World;  August 1, 1994 ;     700+ words ......White and Tokita (ref. 2) related stress relaxation data to polymer properties related...composition of EPM and EPDM were related to stress relaxation data by Tokita and Scott (ref. 3...situations. The advent of relatively quick stress relaxation testing has opened up the ...

Article: Compression/stress relaxation.(Instruments)
Rubber World;  June 22, 2007 ;     166 words ......from the company for compression or stress relaxation testing. This elastometer can be...on profiles and for discontinuous stress relaxation tests. This instrument is controlled...tests to be performed: Discontinuous stress relaxation tests according to ISO 3384 Method...

Article: The application of stress relaxation to quality control of polyisobutylene.
Rubber World;  October 1, 1996 ;     700+ words ......difficulties in quality control. Stress relaxation can provide a practical and quick...possible problems to overcome for a stress relaxation test to be successful. The instrument...based on one such instrument with stress relaxation capabilities. Test conditions, including...

Article: Creep analysis of thermoplastics using stress relaxation data.
Polymer Engineering and Science;  December 15, 1995 ;     475 words ......polycarbonate through the use of stress relaxation testing (SRT) (12). This...method has evolved from the stress relaxation analysis of Hart and Solomon...phenylene oxide) (PPO) were stress relaxation tested in an Instron 4204...

Article: Viscometer determines Mooney viscosity and stress relaxation.(Literature: Instruments)
Rubber World;  September 22, 2008 ;     191 words ......to determine the Mooney viscosity, stress relaxation and pre-vulcanization properties...raw rubber or compounded rubber. Stress relaxation testing determines the response of...rubber by determining the rate of stress relaxation. Pre-vulcanization testing provides...