Cutback Experimental Design for Evaluating Small Amounts of High Explosive
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Chemistry - Chemical explosives↗
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Chemistry - Chemical explosives
Chemistry - Chemical explosives: explore 3 source-linked works published from 2026 to 2026, with original documents and citations.
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The Feasibility of Atomic Layer Deposition of Aluminum Oxide on TATB
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Chemistry - Chemical explosives↗
The effect of dogbone sample size in the tensile testing of TATB-based plastic‑bonded explosive materials
Mechanical properties are of interest for many plastic‑bonded explosive (PBX) materials with tensile properties being of particular interest. Direct tensile measurements using dogbone-shaped samples are considered the gold standard, but they are fairly large, making testing more costly and less desirable from a safety perspective. We investigated whether the measured tensile strength depends on the dogbone specimen size, which to our knowledge, has not been reported in the literature for PBX materials. Understanding this should inform the feasibility of employing smaller samples and how sample size should be considered when comparing PBX dogbone values in the literature. The TATB-based PBX dogbone sample size was varied by (a) scaling all dimensions proportionally and (b) varying only the length of the samples. It was observed that the measured tensile peak stress (strength) was a function of the sample size, and was more dependent on the diameter (cross-sectional area) than the length of the samples. Since peak stress is calculated as peak force normalized to the diameter of the sample, one might not expect an explicit diameter dependence for the peak stress. Therefore, these results suggest there may be an additional strengthening effect as the sample diameter is increased.
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗