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最近,日本用粉末冶金的方法研究了含0～60原子%Pt、0～50原子%Pd、40～65原子%Fe的合金。发现,含有一定量Pd的Pt—Pd—Fe合金,通过从高温淬火可以阻止有序化转变。这种合金在淬火后,经过时效处理发生磁硬。为了得到这种效果,含50、55和60原子%Fe的合金,分别需要添加20、10和5原子%Pd。其中35Pt—5Pd—60Fe合金显示出最高的磁特性。该合金的一些特性如下表所列:
Recently, Japan has studied by powder metallurgy an alloy containing 0 to 60 atom% of Pt, 0 to 50 atom% of Pd and 40 to 65 atom% of Fe. It was found that a Pt-Pd-Fe alloy containing a certain amount of Pd can prevent the ordering transition by quenching from a high temperature. After quenching this alloy, after aging treatment of magnetic hard. In order to obtain this effect, alloys containing 50, 55 and 60 atomic% of Fe require addition of 20, 10 and 5 atomic% Pd, respectively. The 35Pt-5Pd-60Fe alloy showed the highest magnetic properties. Some of the characteristics of this alloy are listed in the following table: