spheroidal graphite

基本解釋

In the first stage of the arrest, the spheroidal graphite nucleated prior to the eutectic freezing and grew with austenite shell.
第二階段形成蠕蟲狀石墨，因包圍球狀石墨的奧氏體部分熔解，使它與熔液接觸生長。
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.
通過在中硅耐熱鑄鐵中添加不同組合的合金元素稀土、銅、鈦使其合金化，經(jīng)過孕育和球化處理，得到鐵素體+珠光體+球狀石墨的金相組織。
The influence of flake and spheroidal graphite on oxyacetylene cutting characteristic of cast iron has been analysed.
討論了石墨的物理性能，分析了片狀和球狀石墨聚集狀態(tài)對鑄鐵氣割性的影響。