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Piston

GRAPHITE COATING piston
2011-12-02 18:45:51

GRAPHITE COATING piston
 

To improve wearing state and reduce gap between cylinder and piston Graphite has very high melting point. Under vacuum con-dition, until 3000℃ can it soften to melting, and at 3600℃ it starts to vaporize and sublime. Most materials' intensity well gradually become weaker under high temperature, but graphite's intensity will double when heated to 2000℃. But graphite has bad oxidation resistance. With the increase of temperature, its oxidation speed will also increase


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