Q & A details -硬质合金跟氮化硼刀片哪个的加工硬度高点
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硬质合金跟氮化硼刀片哪个的加工硬度高点

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硬质合金跟氮化硼刀片哪个的加工硬度高点

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  • 0861788249

    0861788249 2017-01-04 11:01:14

    立方结构的氮化硼,分子式为BN,其晶体结构类似金刚石 .他和金刚石一样都是原子晶体,是通过电子轨道杂化行程的共价键结合在一起的,属于目前已知的化学键中最坚固的,所以硬度高.硬度:共价键》金属键》离子 键 金属键延展性上最好 ,共价键不具有延展性,一变形就碎了.

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