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Untitled - Sciencemadness Dot Org

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PBX 9501<br />

9. MECHANICAL PROPERTIES*<br />

9.2 Tensile Strength and Modulus.<br />

Ultimate<br />

Temperature Density Tensile Strength<br />

(“0 khma) (psi)<br />

74 1.844 100<br />

24 1.844 320<br />

-18 1.844 645<br />

-54 1.845 1000<br />

9.3 Compressive Strength and Modulus.<br />

Temperature Density<br />

(“C) (g/cm”)<br />

Ultimate<br />

Compressive Strength<br />

(Psi)<br />

Tensile<br />

Modulus<br />

(psi X 1O-6)<br />

-<br />

1.05<br />

2.24<br />

7.63<br />

13.38<br />

Compressive<br />

Modulus<br />

(psi X 1O-6)<br />

74 1.844 520 0.64<br />

24 1.844 1140 1.93<br />

-18 1.843 2100 3.30<br />

-54 1.843 4700 6.52<br />

*Above 5O”C, the polyester polyurethane, Estane, depolymerizes so its strength decreases with time.<br />

The data given are initial values.<br />

118

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