1179. Estimating Car Structural Weight When Materials Are Changed


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D C Chang, J W Justusson: 1179. Estimating Car Structural Weight When Materials Are Changed. 1977.



A simplified technique developed for estimating the weight of car structural components when materials are directly substituted to reduce the weight. By this technique, the change in weight is explicitly related to the corresponding changes in structural characteristics, when a specific mild steel structural component ‘ replaced’ by one differing only in material and gage. The structural characteristics for particular components are systematically related to representative structural design criteria and design constraints for a production vehicle.
By means of this simplified method, material trade-offs cab be directly evaluated by engineers and designers early in the design stage. Examples are given for aluminum and high-strength steel as candidate substitutes for mild steel.


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