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公开(公告)号：EP1025274A1
公开(公告)日：2000-08-09
申请号：EP98949781.3
申请日：1998-10-07
申请人： FMC CORPORATION
CPC分类号： C22C45/02 , C04B22/04 , C04B2111/34
摘要： Amorphous ferrophosphorus alloys (Formula II) are useful as shrinkage control agents in cement composites, and new amorphous ferrophosphorus alloys particularly useful for this purpose are disclosed having the formula (I): FeaCrbMcPdCeSif, wherein M is a metal selected from the group consisting of Vg, Nih, Mni and mixtures thereof, and a is about 66-76, b is about 1-10, c is about 2-7, d about 12-20, e about 1-6, f is less than about 2, g is about 1-5, h is less than about 2 and i is less than about 2, atomic percent.
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