EXPERIMENTAL STUDY ON THE EFFECT OF NANO-STRUCTURED ALUMINUM POWDER ON THE PROPERTIES OF AN HMX-BASED PBX

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MOLLAEI A.; RAHIMIPOOR M.R.; DEHNAVI M.A.

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Journal: JOURNAL OF ENERGETIC MATERIALS Year:2015 | Volume:10 | Issue:3 (27) Page(s): 69-78

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Title

EXPERIMENTAL STUDY ON THE EFFECT OF NANO-STRUCTURED ALUMINUM POWDER ON THE PROPERTIES OF AN HMX-BASED PBX

Author(s)

MOLLAEI A. | RAHIMIPOOR M.R. | DEHNAVI M.A. | Issue Writer Certificate

Keywords

NANO-STRUCTURED ALUMINUM POWDERQ2

PBXQ2

HARDNESSQ2

STRENGTHQ2

THERMAL STABILITYQ2

DENT TESTQ2

Abstract

Aluminum powder is a common ingredient in energetic materials. Reactivity of this metal can be improved by reducing the particle size, due to their larger surface/volume ratio. In this research, the effects of NANO-STRUCTURED ALUMINUM POWDER on physical, thermal, mechanical and explosive characteristics of an HMX-based PBX is investigated. The results have indicated that the experimental density increased up to 2.5 percent by replacement of the NANO-STRUCTURED ALUMINUM POWDER instead of micronized aluminum. It has also been shown that this replacement caused the enhancement of HARDNESS and tensile stress to 18 Shore D and 0.67 MPa, respectively. On the other hand, the elongation at maximum stress decreased from 10.5 to 9.8 percent. Furthermore, a catalytic effect has been shown in phase transition and self-decomposition temperatures of HMX in DSC analysis. This catalytic effect increased the impact sensitivity of composition up to 7.7 percent. Based on comparative DENT TEST, it is established that the NANO-STRUCTURED ALUMINUM POWDER has no considerable effect on detonation characteristics of PBX charge.

Cites

GRADING EFFECT OF AMMONIUM PERCHLORATE ON MECHANICAL PROPERTIES OF PROPELLANT BASED ON GLYCIDYL AZIDE POLYMER

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APA: Copy

MOLLAEI, A., RAHIMIPOOR, M.R., & DEHNAVI, M.A.. (2015). EXPERIMENTAL STUDY ON THE EFFECT OF NANO-STRUCTURED ALUMINUM POWDER ON THE PROPERTIES OF AN HMX-BASED PBX. JOURNAL OF ENERGETIC MATERIALS, 10(3 (27)), 69-78. SID. https://sid.ir/paper/115344/en

Vancouver: Copy

MOLLAEI A., RAHIMIPOOR M.R., DEHNAVI M.A.. EXPERIMENTAL STUDY ON THE EFFECT OF NANO-STRUCTURED ALUMINUM POWDER ON THE PROPERTIES OF AN HMX-BASED PBX. JOURNAL OF ENERGETIC MATERIALS[Internet]. 2015;10(3 (27)):69-78. Available from: https://sid.ir/paper/115344/en

IEEE: Copy

A. MOLLAEI, M.R. RAHIMIPOOR, and M.A. DEHNAVI, “EXPERIMENTAL STUDY ON THE EFFECT OF NANO-STRUCTURED ALUMINUM POWDER ON THE PROPERTIES OF AN HMX-BASED PBX,” JOURNAL OF ENERGETIC MATERIALS, vol. 10, no. 3 (27), pp. 69–78, 2015, [Online]. Available: https://sid.ir/paper/115344/en

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