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镁 镍系合金中有Ｍｇ2 Ｎｉ(具有六方晶系构造 )和ＭｇＮｉ2 (Ｃ36型Ｌａｖｅｓ相构造 )两个金属间化合物 ,其中Ｍｇ2 Ｎｉ合金可以吸收多达 3 6 % (质量 )的氢 ,形成Ｍｇ2 ＮｉＨ4 (在高温下具有ＣａＦ2 型立方晶 (β′相 )而在低温下为单斜晶 (β相 ) )氢化物相 ,这种氢化物
There are two intermetallic compounds Mg 2 Ni (with hexagonal structure) and MgNi 2 (C36 Laves phase structure), in which Mg 2 Ni alloy can absorb up to 36% by mass of hydrogen to form Mg 2 NiH 4 (A hydride phase having a cubic form of CaF2 (β ’phase) at a high temperature and a monoclinic (β-phase) at a low temperature, and this hydride