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Relationship between energy and metal damage

The relationship between energy and metal damage is interactive.

1. Plastic deformation: When the metal is subjected to relatively small energy, plastic deformation may occur, that is, the shape of the metal changes, but it does not crack or break. This usually happens when metals collide or collide slightly.

2. Metal fatigue: When the metal is subjected to repeated energy, metal fatigue may occur, that is, the metal gradually loses its strength and toughness and eventually breaks. This usually happens when the metal is shaken, vibrated or repeatedly impacted for a long time.

3. Metal fracture: When the metal is subjected to relatively large energy, metal fracture may occur, that is, metal fracture or fracture. This usually happens when the metal is strongly impacted, bumped or exploded.