Adding different alloy combination of RE, copper and titanium, then through gestation and nodulizing disposal, we got the fine texture of ferrite pearlite and spheroidal graphite.

• 通过在中硅耐热铸铁中添加不同组合的合金元素稀土、铜、钛使其合金化,经过孕育和球化处理,得到铁素体+珠光体+球状石墨的金相组织。