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Evaluation of gel time of TEOS using the idea of phononic band-gap for macro bi-mass system
Physica B: Condensed Matter ( IF 2.8 ) Pub Date : 2020-07-09 , DOI: 10.1016/j.physb.2020.412371
Chayan Kanchan Karmakar , Priyanka Betal , Sampad Mukherjee

In this work, elastic wave propagation through a composite medium, consists of solid and colloidal liquid in a one-dimensional phononic crystal has been studied. The behavioural change in mechanical properties for sol to gel phase transformation is obtained in this experiment. When, a wave of certain range of frequency passes through such a medium, propagation is blocked for some frequency range due to the presence of specific periodic structural arrangement. This range of frequency is termed as forbidden band gap. Calculations for the structure of one dimensional N mass system are performed and are generalized for a bi-mass system (assuming N = 2). Considering different structural and mechanical parameter of the medium, the range of the forbidden gap is calculated and is verified with the experimental analysis. Along with this, the transition time for sol to gel phase transformation is obtained.



中文翻译:

宏双质量系统中声子带隙的思想评价TEOS的胶凝时间

在这项工作中,已经研究了弹性波通过一维声子晶体中由固体和胶体液体组成的复合介质的传播。在该实验中获得了溶胶至凝胶相变的机械性能的行为变化。当一定频率范围的波通过这种介质时,由于特定的周期性结构布置的存在,在某个频率范围内的传播被阻止。该频率范围称为禁带宽度。进行一维N质量体系结构的计算,并将其推广到双质量体系(假定N = 2)。考虑到介质的不同结构和力学参数,计算了禁隙范围,并通过实验分析进行了验证。伴随着这个

更新日期:2020-07-16
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