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专利号ＵＳＡ５１６７７３３申请日１９９２年２月６日发明人ＣｈａｎｇＳｈｅｎｇ Ｈｓｉｅｈ．Ｋａｏｈｓｉｕｒｙ发明名称生产Ｆｅ Ｍｎ Ａｌ合金铸锭的方法Ｆｅ Ｍｎ Ａｌ合金用于制造不均匀或薄壁的精密铸件。合金含Ｃ１ ５ %～２ ０ % ,Ｍｎ３２ ３６ % ,Ａｌ６ %～８ %
Patent No. USA5167733 filed February 6, 1992 inventor ChangSheng Hsieh. Kaohsiury Title Method for producing an ingot of Fe Mn Al alloy Fe Mn Al alloy is used for manufacturing an uneven or thin-wall precision castings. Alloy containing C1 5% ~ 20%, Mn32 36%, Al6% ~ 8%