用等温热锻法制造的再结晶的添加Ｚｒ的Ｎｉ_３Ａｌ合金的延性通常认为，添加少量Ｚｒ因能抑制Ｓ之类的杂量偏析到品界，故可提高Ｎｉ和Ｎｉ基超合金的延性。还有人发现，用Ｚｒ进行合金化也可韧化Ｎｉ。ＡＩ合金，但研究表明，用Ｚｒ进行合金化作用还与Ｚｒ的含量有关。?.. Ductility of recrystallized Zr-added Ni_3Al alloy produced by isothermal hot-forging method is generally considered that the addition of a small amount of Zr inhibits the segregation of impurities such as S into the quality of the product boundary, thereby increasing the ductility of Ni and Ni-based superalloys. Others have found that alloying with Zr can also toughen Ni. AI alloys, but studies have shown that the alloying effect with Zr is also related to the Zr content. ? ..