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Also, original and aged elongations of CNSL were found highest (figure 6).
30, tensile strength at yield of 8600 psi, elongation at break of 65%, flexural strength of 12,000 psi, flexural modulus of 374,000 psi, notched Izod of 0.
We remarked earlier about the lack of evidence for yielding on the elongation data for a majority of the P-E polymers; even though the parent isotactic polypropylene, with enhanced crystallinity, shows a very marked yield at elongations of the order of about 100% and a complete break at about 200%.
Higher modulus related to lower elongation, with all but the lowest levels of peroxide and coagent giving higher modulus and lower elongation values than the sulfur cure.
Formerly a plot (stress values at a given elongation vs.
The physical properties which are influenced by coagents and discussed in this article includeultimate elongation (Eb), tensile strength, tensile modulus, maximum torque and fluid swell properties.
Tradeoffs in physical properties such as heat resistance, compression set, elongation, tear, water and oil aging will also be evaluated.
It is the only known material that can be stretched up to 1,000% elongation and then return to its original length upon release.
However for the present system somewhat better indications for- cure are obtained from modulus-cure time plots for 400% and 500% elongations compared to that for 300% elongation when the latter is the most commonly used for the indication of property development for rubber compounds during cure.
100-300% elongation range) and [eta] is a carbon black networking factor based on dynamic elastic modulus:
The results of the effect of crystallization temperature on the mechanical properties are also shown in figure 5 where the Young's modulus, tensile strength at break, and ultimate elongation are plotted as a function of crystallization temperature.
The speeds of the elongation change of QA and ACM-3 aged at 200 [degrees] C were slower than those of ACM-1, ACM-2 and AEM.