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Hint: An ideal plastic material undergoes no work-hardening during plastic deformation. When the stress is reapplied, the red (elastic) line is retracted until the yield stress is attained, and then the plastic deformation along the black curve is increased.
Complete Step By Step Answer:
Elasticity is the capacity of solid objects and materials to return to their original shape after external forces (load) causing deformation are removed. An object is elastic when it returns to its original size and shape when the load has been removed.
A substance exhibits plastic behaviour when stressed beyond its elastic limit. This means that even after the load is removed, the material deforms irreversibly and does not return to its previous shape and size. Plastic deformation occurs when tension is gradually increased above the elastic limit.
Clay, putty, mud, and other similar substances are very plastic in nature.
So, the correct options are: A Putty; B Mud.
Additional Information:
Plastics are extremely resilient, lightweight, and, most significantly, can be formed into any shape or form. Plastics are most commonly used for these purposes. Plastics are incredibly versatile materials that may be used for a wide range of applications. The following are some examples of plastic applications:
1. Plastic is an excellent packing material due to its ability to be moulded. Plastics in packaging aid in the preservation of food safety and freshness.
2. Plastics have aided in the electronic area because of their durability and lightweight. Plastic is used in practically every appliance around us, from computers to cell phones to televisions and microwaves.
3. Plastics are used to produce safety equipment such as helmets and goggles. Plastics are utilised in the building industry because they require little maintenance and endure a long time.
Note:
We are surrounded by several well-known plastics. Polypropylene (chairs, tables, etc.), polystyrene (plastic spoons and forks, cups, etc.), and polyamide (sometimes known as nylon) are examples of these materials. Polythene is a widely used plastic, primarily in the form of carry bags.
Complete Step By Step Answer:
Elasticity is the capacity of solid objects and materials to return to their original shape after external forces (load) causing deformation are removed. An object is elastic when it returns to its original size and shape when the load has been removed.
A substance exhibits plastic behaviour when stressed beyond its elastic limit. This means that even after the load is removed, the material deforms irreversibly and does not return to its previous shape and size. Plastic deformation occurs when tension is gradually increased above the elastic limit.
Clay, putty, mud, and other similar substances are very plastic in nature.
So, the correct options are: A Putty; B Mud.
Additional Information:
Plastics are extremely resilient, lightweight, and, most significantly, can be formed into any shape or form. Plastics are most commonly used for these purposes. Plastics are incredibly versatile materials that may be used for a wide range of applications. The following are some examples of plastic applications:
1. Plastic is an excellent packing material due to its ability to be moulded. Plastics in packaging aid in the preservation of food safety and freshness.
2. Plastics have aided in the electronic area because of their durability and lightweight. Plastic is used in practically every appliance around us, from computers to cell phones to televisions and microwaves.
3. Plastics are used to produce safety equipment such as helmets and goggles. Plastics are utilised in the building industry because they require little maintenance and endure a long time.
Note:
We are surrounded by several well-known plastics. Polypropylene (chairs, tables, etc.), polystyrene (plastic spoons and forks, cups, etc.), and polyamide (sometimes known as nylon) are examples of these materials. Polythene is a widely used plastic, primarily in the form of carry bags.
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