Find Suitable Material to Withstand 200°C & Produce Low Noise

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SUMMARY

The discussion centers on finding a raw material that can withstand temperatures of 200°C while exhibiting properties similar to steel and producing low noise during meshing. Participants highlight that polymers, such as Cast Nylon and HDPE, do not match the tensile strength of mild steel, which is approximately 0.25-0.3 times that of steel. The conversation suggests that redesigning gear teeth engagement may be a more effective solution for noise reduction than solely focusing on material selection.

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Murali_1972
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Hi everyone,

Can anyone suggest a raw material that has the properties similar to steel and produce less noise when meshing with other part. I thought of polymers like Cast nylon, HDPE etc, but the issue is, it has to withstand a temp of around 200°C, during working condition.

Thanks,
r.murali
 
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Depends what you mean by properties similar to steel, as polymers are in no way similar to steel. Especially Nylon, the very best Nylon I've seen has a Moly filled that has about 0.25- 0.3 the tensile strength of mild steel.

What application is this for? Why do yo want 'less noise'? What is causing the noise?

I assume this is a gear as you use the word mesh. If it's gears a redesgin of how the teeth engage is more likely to solve noise problems.
 

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