stress relaxation


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stress relaxation

The time-dependent decrease in stress in a constrained material under a constant load, 1.
References in periodicals archive ?
The Premier MV (Mooney viscometer) measures viscosity, scorch and stress relaxation of raw materials and mixed rubbers.
Then, the model of stress relaxation times was established by means of combining models of viscosity and modulus.
Paulson School of Engineering and Applied Sciences and the Wyss Institute for Biologically Inspired Engineering decided to mimic the viscoelasticity of living tissue by developing hydrogels with different stress relaxation responses.
1 ( ANI ): Researchers have substituted umbilical vein for artery in vascular transplantation, but they are still unclear if the stress relaxation and creep between these vessels are consistent.
Crosslinked materials are a problem because of the stability of primary crosslink bonding, which prevents chain or stress relaxation.
They examine such topics as experimental research on mineral processing on a certain lead-zinc ore, the interface constraint effect and stress relaxation in nano-sandwiched thin film, preparation and properties of conductive epoxy resincomposites, the two-photon selective reflection spectroscopy of confined atomic vapor at the interface with a ferroelectric layer, the mechanism of aluminizing aided by mechanical energy, detecting ascorbic acid with microchip electrophoresis, and foaming polystyrene with supercritical carbon dioxide.
Topics include wear resistance of metal oxide sol-gel coatings deposited over ceramic glazes, a high-temperature mechanical spectrometer for internal friction measurements, sliding wear behavior of duplex stainless steel, and creep and stress relaxation of hybrid organic-inorganic aerogels.
Due to their inherent memory and low stress relaxation, the tapes can also be used to isolate vibration in electronic components and vehicles.
The significant reduction of shrinkage stresses during drying under high temperatures and pressurized superheated steam was caused by stress relaxation.
A new styrenic block copolymer from Kraton Polymers, Houston, reportedly offers reduced compression set and improved stress relaxation at temperatures above 70 C (158 F).
Mechanical stress relaxation of polymers is a property of practical interest and provides a direct observation of time-dependent properties of polymers.