含能材料2016，Vol.24Issue(12)：1156-1160,5.DOI:10.11943/j.issn.1006-9941.2016.12.004
粗AP形貌缺陷对丁羟推进剂燃烧和力学性能的影响
Effect of Crystal Morphology of Ammonium Perchlorate on the Properties of HTPB Propellant
摘要
Abstract
To explore the effect of crude ammonium perchlorate (AP) crystal′s surface defects on the combustion and mechanical properties of HTPB propellant, the crystal morphologys of two kinds of crude AP (40-60 m·sh (Ⅰ),100-140 m·sh (Ⅲ)) were observed by scanning electron microscope(SEM), and the effects of crude AP′s morphology defects on burning rate, pressure exponent and mechanical properties of HTPB propellant were studied.The results show that there is little effect of crude AP′s morphology defects on the burning rate and pressure exponent of HTPB propellant′s low-pressure section (3-12 MPa), whereas a noticeable effect on those of its high-pressure section (12-20 MPa).The burning rate of high-pressure section expands the scope from 11.27-13.93 mm·s-1 to 11.28-16.35 mm·s-1 and the pressure exponent also increases from 0.40 to 0.70 when the morphology defects appear on the surface of crude AP crystals.The results also show that crude AP′s morphology defects have little effect on the mechanical properties of HTPB propellant.关键词
丁羟推进剂/氯酸铵(AP)/燃烧性能/形貌/缺陷Key words
HTPB propellant/ammonium perchlorate(AP)/combustion behavior/morphology/defects分类
军事科技引用本文复制引用
朱立勋,刘晋湘,梁蓓,陈建军,严伍启,廖昕..粗AP形貌缺陷对丁羟推进剂燃烧和力学性能的影响[J].含能材料,2016,24(12):1156-1160,5.基金项目
国家自然科学青年基金资助(51506093) （51506093）
