t had a tendency to chip. Slow corrosion of the material occurred under normal conditions.该材料用于制造用于小型电动机的永磁体。Bismanol磁铁已经被钕磁铁取代，钕磁铁在其他方面既便宜又优越，在更关键的应用中使用钐钴磁铁，以及铝镍钴合金磁铁。Bismanol magnets have been replaced by Neodymium magnets which are both cheaper and