Zobrazeno 1 - 10 of 28 pro vyhledávání: '"Kien-Yin Lee"'
1
Submicron-Sized Gamma-HMX: II. Effect of Pressing on Phase Transition
Autor: D. S. Moore, S. I. Hagelberg, Kien-Yin Lee
Publikováno v: Journal of Energetic Materials. 26:70-78
In a previous article we described the preparation and initial characterization of a novel submicron-sized HMX (sm-HMX). Using Raman spectroscopy, the sm-HMX was found to be the gamma polymorph and to be stable with respect to conversion to beta-HMX
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::855c04bd5bb946f80b7d23c72996eaa5
https://doi.org/10.1080/07370650701719337
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2
Submicron-Sized Gamma-HMX: 1. Preparation and Initial Characterization
Autor: Blaine W. Asay, D. S. Moore, Kien-Yin Lee, A. Llobet
Publikováno v: Journal of Energetic Materials. 25:161-171
As part of our ongoing nanotechnology research effort, we have developed a novel method for the preparation of submicron-sized HMX (sm-HMX) by a simple fast-cooling technique. Surface structure analysis of the sm-HMX by field emission scanning electr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0973fb97620d9211df06470042a438b
https://doi.org/10.1080/07370650701399312
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3
Raman spectroscopy as a tool for long-term energetic material stability studies
Autor: David S. Moore, Kien-Yin Lee
Publikováno v: Journal of Raman Spectroscopy. 38:1221-1224
Raman spectroscopy is shown to be useful as a tool for long-term stability studies. The stability of a novel submicron-size γ-polymorph form of the explosive HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine) was monitored up to 1 year using Ram
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9992ad268e8f2ad86deddf448b894b7
https://doi.org/10.1002/jrs.1756
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5
ChemInform Abstract: Oxidations of 3,6-Diamino-1,2,4,5-tetrazine and 3,6-Bis(S,S- dimethylsulfilimino)-1,2,4,5-tetrazine
Autor: M. M. Stinecipher, Michael A. Hiskey, Donald G. Ott, Michael D. Coburn, Kien-Yin Lee
Publikováno v: ChemInform. 25
Oxidation of 3,6-diamino-1,2,4,5-tetrazine (1) with most peracids gave 3,6-diamino-1,2,4,5-tetrazine 1,4-dioxide (3) as the major product; however, treatment of (1) with peroxytrifluoroacetic acid (PTFA) gave 3,6-diamino-1,2,4,5-tetrazine 1-oxide (4)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19eed95c468b9b0726ad01489fd29cda
https://doi.org/10.1002/chin.199424189
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6
An improved synthesis of 5-amino-3-nitro-1H-1,2,4-triazole (ANTA), a useful intermediate for the preparation of insensitive high explosives
Autor: C. B. Storm, Michael D. Coburn, M. A. Hiskey, Kien-Yin Lee
Publikováno v: Journal of Energetic Materials. 9:415-428
Treatment of the ammonium salt of 3,5-dinitro-1H-1,2,4-triazole (ADNT) with hydrazine hydrate gives 5-amino-3-nitro-1H-1,2,4-triazole (ANTA) in greater than 90% yields. In addition to its potential use as an insensitive high explosive, ANTA has been
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8627786a641d96da32466a9eb276913
https://doi.org/10.1080/07370659108019382
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7
Instrumented Floret Tests of Detonation Spreading
Autor: J.C. Kennedy, Kien-Yin Lee, Igor Plaksin, Adrian A Akinci, Blaine W. Asay, Jose Campos, Keith Thomas, Jose Direito, Eric S. Martin
Publikováno v: AIP Conference Proceedings.
The floret test was originally devised to permit comparison of detonation‐spreading performance of various insensitive explosive materials, using only the dent in a copper witness plate as a metric. Dent depth in the copper plate is directly relate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1da3b85d629c2fae62a34583342f626a
https://doi.org/10.1063/1.1780523
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8
Oxidations of 3,6-diamino-1,2,4,5-tetrazine and 3,6-bis(s,s-dimethylsulfilimino)-1,2,4,5-tetrazine
Autor: M. M. Stinecipher, Donald G. Ott, Kien-Yin Lee, Michael A. Hiskey, Michael D. Coburn
Publikováno v: Journal of Heterocyclic Chemistry. 30:1593-1595
Oxidation of 3,6-diamino-1,2,4,5-tetrazine (1) with most peracids gave 3,6-diamino-1,2,4,5-tetrazine 1,4-dioxide (3) as the major product; however, treatment of (1) with peroxytrifluoroacetic acid (PTFA) gave 3,6-diamino-1,2,4,5-tetrazine 1-oxide (4)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::930be6a056ec071f23982407ab3c770d
https://doi.org/10.1002/jhet.5570300623
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9
Structure of the hydrazinium salt of 3-amino-5-nitro-1,2,4-triazole
Autor: C. B. Storm, Kien-Yin Lee, E. Garcia
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 48:1683-1685
N 2 H 5 + .C 2 H 2 N 5 O 2 - cristallise dans Pbca avec a=5.392, b=13.316, c=18.483A, Z=8; affinement jusqu'a R=0.030. La geometrie de l'heterocycle est similaire a celle des autres 1,2,4-triazole substituees. Cette geometrie est plane dans la limite
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66c2764b5a6c857822f484dc9507ca48
https://doi.org/10.1107/s0108270191003773
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10
Second-harmonic generation and the shock sensitivity of TATB
Autor: James E. Kennedy, Kien-Yin Lee, C. B. Skidmore, Steven F. Son, Eric S. Martin, Blaine W. Asay
Publikováno v: AIP Conference Proceedings.
The recent discovery of significant differences in second-harmonic generation (SHG) from various grades of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) prompted an investigation into the sensitivity of TATB based upon the crystal structure and morphol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0edeb7ddc0edb1c8fdc1a7f047756d2
https://doi.org/10.1063/1.1303572
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