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Which invention principle is used in automotive airbags?

1 Answers

TravisLee

07/29/25 11:23am

Automotive airbags operate on the principle that substances such as sodium azide or ammonium nitrate inside the airbag rapidly decompose upon a severe collision during high-speed driving, producing a large volume of gas to inflate the airbag. Below is relevant information about airbags: Introduction to airbags: The airbag system is a passive safety protection system that, when used in conjunction with seat belts, provides effective collision protection for occupants. Protection principle of airbags: When a vehicle experiences a certain level of collision force, the airbag system triggers a chemical reaction similar to a small explosive detonation. The airbag, hidden within the vehicle, inflates and deploys instantly, positioning itself between the occupant and interior components before impact occurs. Upon contact with the occupant, the airbag begins to deflate through vent holes on its surface, cushioning the impact.

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