一硼化二铁
一硼化二铁 | |
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英文名 | Diiron boride |
别名 | 硼化二铁 |
识别 | |
CAS号 | 12006-85-8 ![]() |
SMILES |
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InChI |
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InChIKey | FSDZRQFSRALZQJ-UHFFFAOYSA-N |
EINECS | 234-490-4 |
性质 | |
化学式 | Fe2B |
摩尔质量 | 122.501 g·mol⁻¹ |
外观 | refractory solid |
密度 | 7.3 g·cm−3[1] |
熔点 | 1389 °C(1662 K) |
溶解性(水) | 难溶 |
结构 | |
晶体结构 | 四方晶系,tI12[2] |
空间群 | I4/mc, No. 140 |
晶格常数 | a = 0.511 nm, b = 0.511 nm, c = 0.4249 nm |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
一硼化二铁是一种无机化合物,化学式为Fe2B,为铁的硼化物之一。
制备[编辑]
一硼化二铁可由铝在高温下还原氧化硼和氧化铁的混合物反应得到:[3]
- B2O3 + 2Fe2O3 + 6Al → 2Fe2B + 3Al2O3
性质[编辑]
一硼化二铁是一种铁磁性固体,在高于742°C(1368°F)的温度下转变为顺磁性固体。[4]它在空气中加热至400 °C以上和氧反应。[5]其高硬度使硼化钢更具有耐磨性。[6]
参考文献[编辑]
- ^ Haynes, William M. (编). CRC Handbook of Chemistry and Physics 92nd. CRC Press. 2011: 4.68. ISBN 978-1439855119.
- ^ Gianoglio, C.; Badini, C. Distribution equilibria of iron and nickel in two phase fields of the Fe-Ni-B system. Journal of Materials Science. 1986, 21 (12): 4331–4334. Bibcode:1986JMatS..21.4331G. doi:10.1007/BF01106551.
- ^ Samsonov, G. V. Thermite melting of ferroboron from colemanite. Vopr. Poroshkovoi Met. i Prochnosti Materialov, Akad. Nauk Ukr. SSR, 1960. 8: 8-23.
- ^ Shigematsu, Toshihiko. Mössbauer and Structural Studies on (Fe 1- x Mn x ) 2 B. Journal of the Physical Society of Japan. 1975-11-15, 39 (5): 1233–1238. Bibcode:1975JPSJ...39.1233S. ISSN 0031-9015. doi:10.1143/JPSJ.39.1233 (英语).
- ^ Ma, Shengqiang; Huang, Zhifu; Xing, Jiandong; Liu, Guangzhu; He, Yaling; Fu, Hanguang; Wang, Yong; Li, Yefei; Yi, Dawei. Effect of crystal orientation on microstructure and properties of bulk Fe 2 B intermetallic. Journal of Materials Research. 2015-01-28, 30 (2): 257–265. Bibcode:2015JMatR..30..257M. ISSN 0884-2914. doi:10.1557/jmr.2014.383 (英语).
- ^ Wear and Galling Resistance of Borided (Boronized) Metal Surfaces: 653–660. 2017. doi:10.31399/asm.hb.v18.a0006420.