摘要
采用扫描电镜分析了DZ40M合金与刚玉型壳反应形成的粘砂缺陷,结果表明:合金中的C、Cr元素与型壳面层的α-Al_(2)O_(3)及活性SiO2发生界面化学反应,产生粉红色反应层。采用EC95粉作为型壳面层材料能减轻DZ40M合金和型壳的界面反应;CTA抑制剂能有效抑制DZ40M合金和型壳面层的界面反应。
The burning-on defects of DZ40M alloy and fused corundum shell were analyzed by means of SEM and EDS.The results showed that C and Cr elements in the alloy reacted with α-Al_(2)O_(3) and active SiO2 in the shell first layer to produce pink reaction. EC95 shell can reduce the interface reaction between the DZ40M alloy and shell. CTA inhibitor can effectively inhibit the interface reaction between the DZ40M alloy and shell.
作者
刘国库
张海华
张玲
LIU Guo-ku;ZHANG Hai-hua;ZHANG Ling(Military Representative Bureau of Naval in Shenyang,Shenyang 110016,Liaoning,China;Shenyang Foundry Research Institute Co.,Ltd.,State Key Laboratory of Light Alloy Casting Technology for High-End Equipment,Shenyang 110022,Liaoning,China)
出处
《铸造》
CAS
北大核心
2022年第12期1565-1568,共4页
Foundry
