Related Experiment Videos
[Deformation phenomena occurring during compression. I].
B Kovács1, K Pintyéné Hódi, B Selmeczi
1Semmelweis Orvostudományi Egyetem Gyógyszerészeti Intézet, Budapest, Högyes.
Acta Pharmaceutica Hungarica
|May 1, 1990
Summary
Tablet pressing force and duration significantly impact sodium chloride tablet structure and deformation. Longer pressing times improve tablet quality by enhancing deformation changes.
Area of Science:
- Materials Science
- Chemical Engineering
- Solid State Chemistry
Context:
- Investigating the mechanical properties of pharmaceutical tablets.
- Understanding the effects of compression parameters on powder compaction.
- Analyzing the microstructural changes in crystalline solids under pressure.
Purpose:
- To examine how variations in pressing force and pressing time affect the deformation and structure of sodium chloride tablets.
- To quantify the relationship between compression parameters and tablet microstructural development.
Summary:
- Sodium chloride tablets were manufactured using controlled granule sizes and subjected to different pressing forces (4, 12, 20 kN) and pressing durations (0.1 s, 30 s, 60 s).
- Scanning electron microscopy was employed to analyze the fracture surfaces, revealing deformation changes and structural alterations.
- Results indicate that both pressing force and its duration influence tablet structure, with increased pressing time leading to improved deformation characteristics.
Impact:
- Provides crucial insights into optimizing tablet manufacturing processes for enhanced physical properties.
- Contributes to the understanding of powder compaction mechanics and solid-state transformations.
- Informs the design of tablets with specific mechanical strengths and dissolution profiles.