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76
Design Course
Ceramics
An Exploration of Form through Ceramics
by
Plastic State Forming
Plastic state forming (PSF) involves making products from ceramics clay either by:
• Extrusion or
• Pressing Technique.
Extrusion:
The clay is pushed through a narrow die as shown in the figure. The products are usually very long and can be cut down to smaller parts to be used further in different process. As the ceramic flows out of the steel die, located at the other end of the container, the cross section of the product is defined by that of the die.
Extrusion-Process:
Final Product:
Pressing Technique:
In pressing, soft clay is put between the two parts of mould with a cavity of desired form and it is pressed. Thus, the clay takes the form of the mould as elaborated in the animation.
