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Explosive strength is measured by, for example, the Trauzl lead block test. An explosion may occur under two general conditions: the first, unconfined, as in the open air where the pressure (atmospheric) is constant; the second, confined, as in a closed chamber where the volume is constant.
The Trauzl lead block test, also called the Trauzl test, or just Trauzl, is a test used to measure the strength of explosive materials. It was developed by Isidor Trauzl in 1885. Trauzl lead block before and after a test (1 – sand | 2 – Explosive and detonator | 3 – lead)
RDX is the explosive agent in the plastic explosive commonly known as C-4, constituting 91% RDX by mass. [5] Fragmentation occurs by the action of the transmitted shock wave, the strength of which depends on the detonation pressure of the explosive. Generally, the higher this pressure, the finer the fragments generated.
As a general rule, PETN is considered to be either a relatively insensitive primary explosive, or one of the most sensitive secondary explosives. PETN may be detonated by striking with a hammer on a hard steel surface (a very dangerous thing to do), and is generally considered the least sensitive explosive with which this may be done.
DNP forms explosive salts with strong bases as well as ammonia, and emits toxic fumes of nitrogen dioxide when heated to decomposition. [7] DNP's explosive strength is 81% that of TNT, based on the Trauzl lead block test. [8]
To detonate, TNT must be triggered by a pressure wave from a starter explosive, called an explosive booster. [14] Although blocks of TNT are available in various sizes (e.g. 250 g, 500 g, 1,000 g), it is more commonly encountered in synergistic explosive blends comprising a variable percentage of TNT plus other ingredients. Examples of ...
Helene's explosive forecast ... days of supplies on hand before the storm hits Thursday evening.Peters said he's worried that because Helene gained strength so rapidly, it may propel a huge storm ...
Composition B (Comp B), also known as Hexotol and Hexolite (among others), is a high explosive consisting of castable mixtures of RDX and TNT. It is used as the main explosive filling in artillery projectiles, rockets, land mines, hand grenades, and various other munitions. [1]