首页 > Term: niobium boride
niobium boride
One of several compounds that have been reported, including the following: NbB2; melting point, 3,050 degrees C; sp gr, 7.0; thermal expansion, 5.9 X 10-6parallel to a and 8.4 X 10-6parallel to c; NbB, melting point, 2,300 degrees C; sp gr, 7.6; Nb3B4melts incongruently at 2,700 degrees C; sp gr, 7.3.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)