Bullet impact test

Molex no s 2 3 are physical mixts of AN 52—84, K perchlorate 0—20, DNT oil 7—12, baked cork 1—10, A1 powd 5—7 Ca carbonate 1%. They exhibited satisfactory sensitivity to impact, friction, flame initiation, and had excellent stability. Philips (Ref 4) reported on tests of Molex B and BB , manufd by the National Explosives Co. They are described as physical mixts of AN 80.77—85.06, flake A1 6.02—6.10, DNT oil 4.32—5.84, activated cork 2.55—4.47, Ca stearate 1.10—1.99 and Ca carbonate 0.83-0.95%. They were shown to be stable, to have fairly high brisance, but to be sufficiently sensitive to expl in the rifle bullet impact test. Byers (Refs 1 3) describes blasting expls similar in compn... 

Nomenclature Autoignition Temp, °C Gap Test, 50%, Inches Impact Sensitivity Rifle Bullet Impact Test Vacuum Stability Test (ml/g/48hrs 120°) Refs... 

No explns were obtd in 15 shots each of 0.303 ball or AP ammo against targets consisting of 3 cu inch mild steel boxes with walls of 1/16 , 1/8" and 3/16 thickness contg NPN. Ref is 55% explns using eth nitrate as the Filler for this rifle bullet impact test... 

Anon, "Military Explosives , PATR 9-1910/TO 11A-1-34(1955) Sensitivity to Impact (pp 43-7) Sensitivity to Friction (47-9) Sensitivity to Frictional Impact, which includes Rifle Bullet Impact Test (49) Sensitivity to Heat and Spark, which includes Explosion Temperature Test (49-52) Sensitivity to Initiation by Sand Test (52-3 Fig 10 on p 54) Stability Determinations, which include 75°C International Test, 100°C Heat Test, Vacuum Stability Test, and Potassium Iodide-Starch (KI)... 

Bullet Impact Test (pp B332 B335 to B338) Bullet Test, French Method (pp 333 B 339) No sensitivity tests are described in Vol III of Encycl, while in Vol IV, the tests are described under DETONATION (AND EXPLOSION), EXPERIMENTAL PROCEDURES and under DETONATION (AND EXPLOSION) BY INFLUENCE... 

Rifle Bullet Impact Test - Similar to TNT, but less sensitive than RDX (Ref 7a) in 100 trials there were 60 partial detons,... 

When wet Stainless steels are unaffected Al si affected Cu, brass, Mg, Mg-Al alloy, mild steels are considerably affected Power by Ballistic Mortar Test — 119% TNT Power by Trauzl Test — 120% TNT Rifle Bullet Impact Test — Burned 7%, Unaffected 93%... 

Bullet (or Rifle Bullet) Impact Sensitiveness, See Vol 1, p IX and under impact (or Shock) Sensitiveness. Also " Rifle Bullet, Impact Test" in AMCP 706-177 (1971), p 2... 

Rate of Detonation. See Detonation Race Rifle Bullet Impact Test — not found Sand Test. See under Brisance Sensitivity to Electric Spark or to Electrostatic Discharge. See under Electric Spark Sensitivity to Initiation — not found Sensitivity to Pressure. When pressed at pressures in excess of 25000psi,. MF will... 

Friability test 3 (alternate for EIDS bullet impact test)... 

Power by Trauzl Test — Naoum (Ref 15, p227) gives 590cc for I0g sample TNT produces expansion ca 300cc Rifle Bullet Impact Test — 100% explosions Strength — See Power... 

P ower (Strength) by Trauzl Test — 660cc for lOg sample vs 590cc for NG (Ref T5 p227)- TNT produces ca 300cc expansion Rifle Bullet Impact Test — No information Strength — See Power Vacuum Stability Test — No information Velocity of Detonation — See Detonation Rate... 

Impact Test with 2kg wt, PicArsn App 7 inches Rifle Bullet Impact Test in std cast iron bomb 100% explns Vacuum Stability at 100° 3.66cc of gas in 40 hrs... 

Bullet Impact Test(RifIe Bullet Test). See under BULLET TESTS... 

II) Bullet Impact Test Bullet Frictional Impact Test Bullet Sensitivity Test or Rifie Bullet Test(Called Shooting Test in Ref 1). The purpose of tins test is to Jeter aloe to what extent various ammunition(especially bombs,... 

E) Bullet Impact Test Described by Colver. In the test briefly outlined by Colver(Ref l,p 647), the explosive is packed in cases which are arranged in a longitudinal row at various distances from a rifle. The minimum distance at which an expl detonates is noted as are the number of shots fired, the thickness of the layer penetrated and the velocity of the bullet. The shorter the distance and the larger the number of required shots to cause detonation, the less sensitive is the expi. Loosely-packed expls are usually more sensitive than those packed in cartridge form... 

Table IV Rifle Bullet Impact Test by the French Method...

Stein M.E.Pollack, "Development of an Improved Rifle Bullet Impact-Sensitibity Test , PATR 2247(1956) 17)Anon, Ordnance Proof Manual , OPM 10-86. Aberdeen PG, Md(1957),p 2 (Bullet impact tests for bombs) 18)H.Will G.Silvestro, "Development of Method for Determining the Sensitivity of Explosives to Bullet Impact , Instrumentation Rept No TR 681-58, PicArsn, Dover, NJ(1958) 19)W.R. Tomlinson, Jr, "Properties of Explosives of Military Interest , PATR 1740, Revision 1(1958) by O.E.Sheffield 20)O.E.Sheffield, "Properties of Explosives of Military Interest , PATR 1740, Supplement No l(1958)(Conf) 21)W.H. 

Table IV. Rifle Bullet Impact Test by French Method B 339...

Its other props were Brisance, by Sand Test 90% of TNT Friction, by Pendulum Test - no explns Hygroscopiciry - 2.1%, when exposed to air of 90% RH at 30 Power, by Ballistic Pendulum 96% of TNT Rifle Bullet Impact Test -explns Sensitivity to Initiation - more sensitive than TNT Stability as packed, as shown by longterm storage tests - satisfactory Stability in the 75° International Test - loses 1% of wt but no deterioration Stability at 100° in 96 hrs - volatilization, but no decompn... 

Charge Diameter, inch Density, g/cc Rate, m/second Rifle Bullet Impact Test Number of trials Unaffected... 

Ml 35-L), contains RDX 5 to 15, AN 25 to 35, TNT 40 and A1 20%. When cast, DBX has a d of 1.68g/cc and is gray in color. It is less sensitive than Torpex, as shown by its impact test value of 10", fewer expins in the rifle bullet impact test, and a greater minimum detonating charge of Diazodinitrophenol whether in loose or cast form. Cast DBX has a rate of detonation of 680Qm/sec as compared with 7600 for Torpex,... 

Although the friction pendulum test shows no measurable difference in sensitivity between Tritonal and TNT, impact tests indicate Tritonal to be somewhat more sensitive to impact than TNT and less so than Tetryl. The rifle bullet impact test value for Tritonal is more similar to that of Tetryl than that of TNT. The expln temp test value of Tritonal (470°) is almost identical with that of TNT... 

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