双色球红蓝走势图

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石墨材料在空气中易氧化腐蚀吗?

发布时间:2019-09-05 09:44:40 浏览:118次

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石墨材料在空气中易氧化腐蚀吗?埚

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钢厂的石墨电极损耗要占到钢厂出产本钱的十分之一以上,某高温氧化实验室看到,一个3公斤的石墨坩埚在高温1600℃续3个小时后,分量减轻了30%以上,也即是3公斤的石墨坩埚一下的就变成了2公斤,氧化真的很快。石墨是比照宝贵的材料,腐蚀氧化构成公司出产本钱加大,动力材料略显贵重。

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