SHOCK IMPINGEMENT EXPERIMENTS ON CRUSHABLE SOLIDS
A 2-in. inside diameter shock tube was used to generate strong flat- topped shock waves in argon for impingement against cylindrical specimens of celotex, reduced, and sugar pine up to 6 in. in length. Shock pressures up to 120 atmospheres were induced in the specimens immediately following impingement. Piezoelectric crystal pressure sensors were used to record pressure-time histories in the gas upstream of the gas-solid interface. A method of obtaaining points on the shock pressure-specific volume curve (the Hugoniot) for each solid from the experimental data is given. The results for each material are presented graphically, and are compared with isothermal confined static compression data. Rather large volume changes are evidenced in shock at pressures in the neighborhood of the crushing strength for each material. The crashing strervth of celotex in shock appears to be well above its confined static crushing strength and the crushing strengths in shock of reduced and sugar pine appear to be somewhat below the corresponding static crushing strengths. (auth)
- Research Organization:
- Illinois Inst. of Tech., Chicago. Armour Research Foundation
- DOE Contract Number:
- AT(11-1)-528
- NSA Number:
- NSA-14-002723
- OSTI ID:
- 4234255
- Report Number(s):
- ARF-4132-10
- Resource Relation:
- Other Information: Orig. Receipt Date: 31-DEC-60
- Country of Publication:
- United States
- Language:
- English
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