“magnesium borate whisker”的概念、定义、翻译、参考文献-科学参考

单词	magnesium borate whisker
释义	magnesium borate whisker Encyclopedia 工学无机晶须新材料释 magnesium borate whisker硼酸镁晶须分子式为Mg2B2O5，相对分子质量为150.23。外观为白色蓬松状固体，显微镜下为纤维状单晶体，在扫描电镜显微镜下观察硼酸镁晶须长度为10～50微米、直径0.5～20微米，相对密度为2.91，莫氏硬度为5.5；熔点为1360℃，耐热温度为1000℃；拉伸强度为3.92吉帕，弹性模量为264.6；热膨胀速率18×10-6/℃（平行纤维轴），（2～10）×10-6/℃（垂直纤维轴）。又称焦硼酸镁晶须。
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