The Magic of Clay

Clay .. need help soon !!!!!!!?

Can anyone tell me 4 techniques modeling clay? and what are the 4 properties of clay?

Pinching - Pinching is one of the oldest, simplest and most direct means of shaping clay. Pinch pots are created by stitching patiently and consistently, pinching and pulling a piece of clay into shape. Songs are evened out by under constant pressure and the tears are cut. Winding - Pots spiral are progressively created by stacking and joining the "snakes" of clay on top of each other. If clay is very soft and moist, the coils can be added directly, but if the clay is relatively dry, contact surfaces must be marked and slipped to ensure a strong adhesion. Press Moulding - Soft slabs or coils are pressed into molds concave. Interior shape is then carved and decorated and the room is left to dry until it is sufficiently rigid to support its own form and weight. He then broke the mold for the outer surface for decorating and finishing touches to add. Slump Molding - Image mirror molding to the press. flexible slabs or coils are provided on the convex mold. The exterior shape is then carved and decorated and the room is blown from the mold before it is too dry it shrinks around the mold. If texture is desired on the inner surface, the slab must be smooth textured before it is placed on the mold. decorating the interior surface can be performed after stripping. Slip casting - slip is poured into molds multi-part slip cast. Excess slip is paid after a certain period of time. After stripping, the seams are reinforced with coils, if necessary. The piece is then carved and decorated. Soft Slab - flexible slabs are made from clay which is very moist and plastic. Soft slabs can be extended to a uniform thickness or created by launching a clay disc with random textures a smooth surface at an oblique angle a couple of times. Slabs or pieces cut from them, then quickly form, on or around molds or paper around creased. Scoring and slipping may be required on joins as part dry. Hard Slab - When soft pad that has been implemented is left to dry until leatherhard, it becomes difficult for the slab. Cut pieces of clay that is relatively stiff are joined by scoring and slipping to geometric precision work such as boxes. The clay minerals are the following groups: group consisting of kaolinite kaolin, dickite, halloysite and nacrite. Some sources include the serpentine group due to structural similarities. smectite group including pyrophyllite, talc, vermiculite, sauconite, saponite, nontronite and montmorillonite. Illite group which includes the clay-micas. Illite is the only common mineral. Chlorite group includes a wide variety of minerals with similar chemical variations considerable.

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