Tabletting Machine Flashcards
1
Q
What are the two types of interaction upon compaction?
A
Particle-particle
Particle - metal
2
Q
Describe the following theories: mechanical, intermolecular, liquid surface film
A
Mechanical interlocking
Contact between new surfaces cause VDWs forces to act
Surfaces melt under applied pressure upon release of pressure the melted material crystallises forming connections between particles
3
Q
What are the 7 stages of tablet formation?
A
Filling of die Particle rearrangement Elastic deformation at point of contact Fragmentation/ plastic deformation Bonding Plastic deformation of solid body Decompression and ejection
