Enhanced Energetic Performance of Polyvinylidene Fluoride-Coated Zirconium Particle

• Autorzy: Heo Won Young , Bae Sung Hwa , Son Injoon

Identyfikatory

DOI

10.24425/amm.2021.136369

• Języki publikacji: EN

Abstrakty

EN

In this study, energetic behaviors of polyvinylidene fluoride (PVDF)-coated zirconium (Zr) powders were investigated using thermogravimetric analyzer-differential scanning calorimetry (TGA-DSC). PVDF-coated Zr powder had 1.5 times higher heat flow than ZrO2-passivated Zr powder. PVDF-coated Zr powder had a Zr-F compound formed on its surface by its strong chemical bond. This compound acted as an oxidation-protecting layer, providing an efficient combustion path to inner pure Zr particle while thermal oxidation was progressing at the same time. PVDF coating layers also made thermal reaction start at a lower temperature than ZrO2-passivated Zr powder. It was obtained that the surface PVDF coating layer evaporated at approximately 673 K, but the surface oxide layer fully reacted at approximately 923 K by DSC analysis. Hence, Zr powders showed enhanced energetic properties by the PVDF-coated process.

Słowa kluczowe

EN

PVDF; zirconium; coating; energetic behaviors

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2021
• Tom: Vol. 66, iss. 3
• Strony: 725--728
• Opis fizyczny: Bibliogr. 15 poz., rys., tab., wykr.

Twórcy

autor

Heo Won Young

• Kyungpook National University, Department of Materials Science and Metallurgical Engineering, Daegu 41566, Republic of Korea

• https://orcid.org/0000-0002-4382-5163

autor

Bae Sung Hwa

• Kyushu University, Department of Materials Process Engineering, Graduate School of Engineering, Fukuoka, Japan

• https://orcid.org/0000-0003-4096-3197

autor

Son Injoon

• Kyungpook National University, Department of Materials Science and Metallurgical Engineering, Daegu 41566, Republic of Korea

• https://orcid.org/0000-0002-2282-8007

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).