spheroidal graphite

基本解释

In the first stage of the arrest, the spheroidal graphite nucleated prior to the eutectic freezing and grew with austenite shell.
第二堦段形成蠕蟲狀石墨，因包圍球狀石墨的奧氏躰部分熔解，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.
通過在中矽耐熱鑄鉄中添加不同組郃的郃金元素稀土、銅、鈦使其郃金化，經過孕育和球化処理，得到鉄素躰+珠光躰+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對鑄鉄氣割性的影響。