Evaluation of Powder Flow Prediction by Ring Shear Testing at Low Consolidation Stresses

The development of XS-Lr0 low-stress shear cell by Dietmar Schulze (model RST-XS.s) has confirmed the necessity of assessing powder flow at low consolidation stresses for improved powder flow production (Søgaard et al.,2014). This project assessed different powder flow properties at low consolidatio...

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Bibliographic Details
Main Authors: Lujain El-Balawi (Author), Conrad Andrew Davies (Author), Edward Paul Rhodes (Author)
Format: Book
Published: University of Huddersfield Press, 2023-12-01T00:00:00Z.
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042 |a dc 
100 1 0 |a Lujain El-Balawi  |e author 
700 1 0 |a Conrad Andrew Davies  |e author 
700 1 0 |a Edward Paul Rhodes  |e author 
245 0 0 |a Evaluation of Powder Flow Prediction by Ring Shear Testing at Low Consolidation Stresses 
260 |b University of Huddersfield Press,   |c 2023-12-01T00:00:00Z. 
500 |a 10.5920/bjpharm.1387 
500 |a 2058-8356 
520 |a The development of XS-Lr0 low-stress shear cell by Dietmar Schulze (model RST-XS.s) has confirmed the necessity of assessing powder flow at low consolidation stresses for improved powder flow production (Søgaard et al.,2014). This project assessed different powder flow properties at low consolidation stresses via stress walk and discrete shear tests. Previous methodology by Sogaard et al, 2014 was investigated and further developed using different pharmaceutical materials at a wide range of consolidation stresses (0.25 - 4.00 kPa). A polynomial function best described the relationship between consolidation stress and unconfined yield strength, with results being material dependent. The lowest pre-consolidation stress observed for reliable measurements was 0.25 kPa. The findings emphasise the need to refine current methodologies to measure shear stresses at low consolidation stresses to improve powder flow prediction. 
546 |a EN 
690 |a powder flow 
690 |a ring shear tester 
690 |a low consolidation stress 
690 |a flow function 
690 |a Pharmacy and materia medica 
690 |a RS1-441 
655 7 |a article  |2 local 
786 0 |n British Journal of Pharmacy, Vol 8, Iss 2 (2023) 
787 0 |n https://www.bjpharm.org.uk/article/1387/galley/1023/view/ 
787 0 |n https://doaj.org/toc/2058-8356 
856 4 1 |u https://doaj.org/article/cf282e2d090347b58a90ffcd6adf4af7  |z Connect to this object online.