Is there a better substitute than rubber?

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The discussion centers on finding alternatives to rubber for bridge bearings. Participants inquire about specific applications to provide tailored suggestions. Suggestions include exploring springs and dampers as potential substitutes. The conversation emphasizes the need for detailed information to identify the most suitable materials. Overall, the quest for better substitutes highlights the importance of material performance in engineering applications.
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Bridge rubber bearing, is there a better substitute than rubber?
 
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seismic isolation be said:
Bridge rubber bearing, is there a better substitute than rubber?

Springs and dampers? Can you please say a lot more about your application? The more information you can give us, the better we can try to help you.
 

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I need to anneal 5052 aluminum for a home project. Google has given me mixed results on how to do this. Short version is that I'm doing some heavy forming on a piece of 5052-H32 and I'm running into issues with it work hardening. I've tried the Sharpie trick with a propane torch. But I'm not sure this is doing anything. I'm also seeing conflicting opinions whether to quench or air cool. So I'm looking for some expert opinions. (Oven heating is not an option due to size.) Thanks. edit: The...
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