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[1]杨建兴,许灿启,杨伟涛.叠氮硝胺发射药与赛璐珞药盒长储稳定性研究[J].365bet集卡_365bet体育在线手机投注_365bet体育手机投注,2019,48(02):32-36.[doi:10.3969/j.issn.1001-8352.2019.02.006]
 YANG Jianxing,XU Canqi,YANG Weitao.Study on Storage Stability of Azidonitramine Propellants with Celluloid Charge Case[J].EXPLOSIVE MATERIALS,2019,48(02):32-36.[doi:10.3969/j.issn.1001-8352.2019.02.006]
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叠氮硝胺发射药与赛璐珞药盒长储稳定性研究()
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《365bet集卡_365bet体育在线手机投注_365bet体育手机投注》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
48
期数:
2019年02
页码:
32-36
栏目:
基础理论
出版日期:
2019-04-02

文章信息/Info

Title:
Study on Storage Stability of Azidonitramine Propellants with Celluloid Charge Case
文章编号:
5311
作者:
杨建兴许灿启杨伟涛
西安近代化学研究所(陕西西安,710065)
Author(s):
YANG JianxingXU CanqiYANG Weitao
Xi’an Modern Chemistry Research Institure (Shaanxi Xi’an, 710065)
关键词:
物理化学叠氮硝胺发射药赛璐珞片相容性迁移长储稳定性
Keywords:
phisical chemistry azidonitramine propellants celluloid charge case compatibilty migration long-term storage stability
分类号:
TJ55
DOI:
10.3969/j.issn.1001-8352.2019.02.006
文献标志码:
A
摘要:
为研究叠氮硝胺发射药与赛璐珞药盒的长储稳定性,采用差示扫描量热法(DSC)和真空安定性法(VST)研究分析了叠氮硝胺发射药与赛璐珞片的化学相容性,采用GJB736.8—1990火工品试验71 ℃试验法研究分析了叠氮硝胺发射药与赛璐珞药盒之间的组分迁移性。DSC试验表明,叠氮硝胺发射药与赛璐珞片混合体系的热分解峰温降低,降低值为0.5 ℃,混合体系相容;VST试验表明,混合体系净增放气量R为0.3 mL/g,混合体系相容;71 ℃试验法储存26 d后,叠氮硝胺发射药中的增塑剂(DIANP、NG)质量分数由39.82%降低到33.67%,药盒中增塑剂(DIANP、NG)质量分数由0增加到33.89%,发射药与药盒之间存在增塑剂的迁移。叠氮硝胺发射药与赛璐珞药盒化学相容性良好,但物理安定性差,存在增塑剂的迁移,加速老化10 d后,体系浓度达到平衡。
Abstract:
In order to study the long-term storage stability of azidonitramine propellants with celluloid charge case, DSC and VST were used to analyze their chemical compatibility. Meanwhile, component migration of azidonitramine propellants and celluloid charge case were tested according to GJB736.8—1990, initiating explosive device, Method of test at 71 ℃. The results indicated that chemical compatibility between the two components is good, exothermic peak deviation is 0.5 ℃. The value of R in the vacuum stability test is 0.3 mL/g, which is less than the threshold of compatibility, 0.6 mL/g. After 26 days storage at 71 ℃, mass fraction of plasticizer in propellant (DIANP、NG) decreased from 39.82% to 33.67%, and mass fraction of plasticizer in charge case (DIANP、NG) increased from 0 to 33.89%, indicating the existence of migration phenomenon of propellant and charge case. Chemical compatibility is good, but physical stability is poor in presence of plasticizer migration. Mass fraction attained balance after 10 days’ accelerated aging.

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备注/Memo

备注/Memo:
收稿日期:2018-11-01
第一作者:杨建兴(1978-),男,副研究员,主要从事发射药燃烧性能研究。E-mail:15389039975@163.com
通信作者:杨伟涛(1987-),男,副研究员,主要从事发射药配方设计技术研究。E-mail:njyangweitao@163.com
更新日期/Last Update: 2019-04-01