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Materials
in Tension and Compression
Abstract
All components of an HPV experience
mechanical loads. Bicycle spokes transmit forces between the bicycle and the
road. Under ideal operating conditions the loads on the spokes must stay within
the elastic range of material from which the spokes are fabricated. In a
metal-spoked wheel of conventional design, the spoke can only experience tensile
forces ( almost any compressive force will cause the spoke to buckle). Carbon
fiber wheels have spokes that operate in both tension and compression.
Wing structures and hulls in aircraft and boats also see tensile and compressive
loads.
In this study the behavior of different materials will be examined
in both tension and compression using an Instron testing machine. The
elastic modulus of the materials will be determined, and their buckling behavior
in compression will be explored. |
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