【摘 要】
：
利用HAAKE流变仪研究了硼粉团聚方法、粒度、填充比例对B/HTPB混合物流变性能影响.结果表明,对于LiF包覆的硼粉(B/F),小颗粒的LiF增强了与HTPB预聚物的物理吸附作用,使体系的
论文部分内容阅读
利用HAAKE流变仪研究了硼粉团聚方法、粒度、填充比例对B/HTPB混合物流变性能影响.结果表明,对于LiF包覆的硼粉(B/F),小颗粒的LiF增强了与HTPB预聚物的物理吸附作用,使体系的表观黏度反而大于未包覆的硼粉;采用HTPB包覆的硼粉(B/H,B/F/H)与HTPB混合物的表观黏度和屈服值远小于未处理硼粉,且随混合时间增加而保持不变.在相同填充质量下,小粒度团聚硼粉的黏度系数K值较大,n值较小,严重偏离牛顿流体.当团聚硼粉/HTPB质量比为55/45时,混合物的流动方程转变为Herschel-Bulkley方程,大粒度团聚硼粉的屈服值较小.因此,与小粒度硼粉相比,大粒度团聚硼粉与HTPB的混合物具有较好的流变性能.含大粒度团聚硼粉富燃料推进剂药浆具有良好的工艺性能,6 h内表观黏度小于1500 Pa·s,屈服值小于150 Pa.
其他文献
In order to make the effective ECCM to the deceptive jamming, especially the angle deceptive jamming, this paper establishes a signal-processing model for anti-
基于动态约束满足问题,针对初始方案执行过程中任务动态到达的情况,以最大化完成任务的优先级之和,并使新任务到达后,对原方案的调整最小为目标,建立了多卫星动态调度模型,提
The load transfer analytical method is applied to study the bearing mechanism of piles with vertical load in this paper. According to the different hardening ru
The viewpoint about harmful residual element control, the charging structure and its influence on production index due to the diversification of raw material in
One of the key problems by diffusion-rolling bonding with small reduction for carbon steel plates is the bonding assistant coat. A bonding assistant coat used b
The analytic representation of the transient radiation for an aperture excited by a rectangle pulse is obtained. It shows that the field duration and amplitude
Looking upon every encoding state of quantum information systems as a quantum information pattern, A kind of pattern-distance between different patterns as a me
Stress corrosion cracking (SCC) and anticorrosion measures of TU42C weld-joint were studied by constant load experiments and pickling experiments. The results s
Digital down converter (DDC) is the main part of the next generation high frequency (HF) radar. In order to realize the single chip integrations of digital rece
广西合山矿区SO2-4对地下水的污染主要是由煤矿开采诱发的一种地质灾害.该煤矿中富含硫的特点更易在有氧条件下形成SO2-4.通过描述地下水SO2-4污染的情况及给村民带来的危害,