Exposing sensors to environment without any physical protection introduces risk of failure due to collision with small hard objects like stones. This type of interaction is tested during product validation by usage of gravel bombardment procedures, originally designed for evaluating resistance of surface coating to chipping by gravel impact. While useful for practitioners, this procedure is difficult to be used during product design and virtual validation since it does not provide statistical measures regarding gravel size, mass or velocity distribution of moving gravels. Consequently, computer simulation must assume certain properties of impactors. The following simulation methodology evaluates risks associated with gravel bombardment test. It is based on impact force transmission through interconnects belonging to big and/or critical electronic components.


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    Title :

    Failure Assessment of Electronics Component under Gravel Bombardment Test in Automotive Electronics


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    WCX SAE World Congress Experience ; 2023



    Publication date :

    2023-04-11




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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