1984年12月13日兵器部科技局在北京召开了“高强度铸造铝合金”和“锶变质工艺技术”鉴定会。参加会议的有部内外三十多个单位的六十多名代表,中科院物理所、清华大学、北京大学、北京航空学院、上海交通大学等单位应邀出席了会议。 会议对“高强铸造铝合金 ZL111”给予很高评价。代表们认为,该合金目前在铝 On December 13, 1984, the Weaponry Science and Technology Bureau held the appraisal meeting of “high-strength cast aluminum alloy” and “strontium metamorphic technology” in Beijing. More than 60 delegates, including Physics Institute of Chinese Academy of Sciences, Tsinghua University, Peking University, Beijing Institute of Aeronautics and Shanghai Jiaotong University attended the meeting, attended by over 60 delegates from more than 30 units inside and outside the department. Meeting on the “high strength cast aluminum ZL111” give a high rating. The deputies believe that the alloy is currently in aluminum