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_voldemorter

木虫 (小有名气)

[交流] vein graphite这是一种什么石墨?在国内叫什么。

如题。
天然石墨一般分为三类:
1、        致密结晶状石墨
2、        鳞片石墨晶体
3、        隐晶质石墨又称微晶石墨或土状石墨
vein graphite这个在国外也被归到了天然石墨.
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lunwu

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_voldemorter: 金币+2 2015-07-09 15:52:01
vein graphite应该称为 致密结晶状石墨
2楼2015-07-08 22:47:36
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_voldemorter

木虫 (小有名气)

引用回帖:
2楼: Originally posted by lunwu at 2015-07-08 22:47:36
vein graphite应该称为 致密结晶状石墨

有这样的解释:Vein graphite is a naturally occurring pyrolytic carbon.This form of graphite is believed to be deposited as solid graphite directly from a fluid phase, creating an extremely high degree of crystallinity.直接液相沉积,是一种结晶度较高,那就应该是致密结晶石墨了...
这三种的晶体结构区别大么?
3楼2015-07-09 15:51:35
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lunwu

木虫 (正式写手)

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小木虫: 金币+0.5, 给个红包,谢谢回帖
_voldemorter: 金币+1, 3 2015-07-23 08:07:41
_voldemorter: 金币+2 2015-12-16 13:56:37
引用回帖:
3楼: Originally posted by _voldemorter at 2015-07-09 15:51:35
有这样的解释:Vein graphite is a naturally occurring pyrolytic carbon.This form of graphite is believed to be deposited as solid graphite directly from a fluid phase, creating an extremely high degr ...

目前只有斯里兰卡有这种矿产,Lynx Mine, 矿石含碳大于99%。至于结构的区别,似乎研究的人少。
4楼2015-07-10 14:17:55
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