The Microstructural Evolution in HMX Based Plastic-bonded Explosive During Heating and Cooling Process: an in situ Small-angle Scattering Study

• Autorzy: Yan G. , Tian Q. , Liu J. , Fan Z. , Sun G. , Zhang C. , Wang Y. , Chen B. , Gong J. , Zhou X. , Yang Z. , Nie F. , Li J. , Li X.

Identyfikatory

DOI

10.22211/cejem/65826

• Języki publikacji: EN

Abstrakty

EN

The thermal damage in octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) based plastic-bonded explosive (PBX) was investigated using in situ small-angle neutron and X-ray scattering techniques. The microstructural evolution was quantitatively characterized by the model fitting parameters of total interfacial surface area (Sv) and void volume distribution. The Sv of HMX-PBX decreased markedly above 100 °C, indicating the movement of binder into the voids. After subsequent cooling to room temperature, the scattering intensity increased significantly with increasing storage time, and a new population of voids with average diameter of 20 nm was observed, accompanied by the gradual phase transition of HMX from δ- to β-phase. The experimental results implied that serious damage within the HMX-PBX was developed during storage after heating.

Słowa kluczowe

EN

SANS; SAXS; HMX-PBX; thermal damages; phase transition

• Czasopismo: Central European Journal of Energetic Materials
• Rocznik: 2016
• Tom: Vol. 13, no. 4
• Strony: 916--926
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Yan G.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Tian Q.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Liu J.

• Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China

autor

Fan Z.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Sun G.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Zhang C.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Wang Y.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Chen B.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Gong J.

• Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang 621999, China

autor

Zhou X.

• Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China

autor

Yang Z.

• Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China

autor

Nie F.

• Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China

autor

Li J.

• Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621999, China

autor

Li X.

• Institute of Shanghai Apply Physics, Chinese Academy of Science, Shanghai 201800, China

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).