摘要
研究结果表明，当碳当量ＣＥ＝３．９２％～４．１７％、铸件壁厚２５ｍｍ不变时，在共晶度为０．９０７～０．９７５范围内，铸件的抗拉强度和硬度随着共晶度的增大而减少；建立了抗拉强度－共晶度和硬度－共晶度的回归方程；加强炉前处理，控制共晶度，可以用一台冲天炉随时生产高低两种牌号的铸铁。
The achievements show that tensile strength and hardness of castings with the decrease of Sc within a range of 0.907 to 0.975 of Sc with a definite section of 25mm and CE of 3.92% to 4.17%. Regressive equation of tensile strength-Sc and hardness-Sc have been set up. One cupola is able to produce at any time two different grade of cast iron as long as amphasising treatment before charging and controling value of Sc.
出处
《中国铸造装备与技术》
CAS
1996年第1期17-19,共3页
China Foundry Machinery & Technology
