| 摘要 |
The disclosure relates to vehicles and door sills for vehicles. In one aspect, the disclosure relates to door sills having an interior channel configured to receive a retractable panel installed within a vehicle door. In another aspect, the disclosure relates to impact-absorbing door sills for motor vehicles, for example, an automobile. The disclosure also provides methods for forming a shaped composite article from a metal foam and attaching the shaped composite article to a side frame of a vehicle chassis.
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