HE friction sensitivity oblique impact sensitivity of explosives the skid test & half-inch gap sensitivity test. Quarterly report, April 1970--June 1970 Page: 4 of 66
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F-1
HE FRICTION SENSITIVITY
OBLIQUE IMPACT SENSITIVITY OF EXPLOSIVES
THE SKID TEST
&
HALF-INCH GAP SENSITIVITY
J. H. Van Vekinbuwgh
April, May, June 1970
SANL 712-009
The study of the friction sensitivity of HE and the mechanism of frictional
initiation via an apparatus which subjects the explosive to shear while under
a sustained normal loading force.
The -use and study of a sensitivity test of large bare explosive charges to
oblique impact; a condition resembling possible operational accidents.
The use of a sensitivity test to determine relative shock sensitivities of
small diameter samples.
ABSTRACT
Oblique impact tests were performed on RX-04-DS and on the extrusion cast explo-
sive RX-08-AZ. Partial reactions were observed on RX-04-DS at 5.0', 450 and at
1.25', 140; no reactions were observed with RX-08-AZ in the severest of tests.
Vertical drop tests were performed on 6"-diameter hemispheres of LX-04-1.
Results are tabulated.
A series of accelerometer instrumented oblique impact tests were performed to
obtain normal and rotational acceleration versus time.
Half-inch gap test series were performed on RX-08-AZ.
No experimental work with the friction test apparatus was done this period.
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Van Velkinburgh, J. H. HE friction sensitivity oblique impact sensitivity of explosives the skid test & half-inch gap sensitivity test. Quarterly report, April 1970--June 1970, report, September 1997; Amarillo, Texas. (https://digital.library.unt.edu/ark:/67531/metadc692392/m1/4/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.