These two constituents form a eutectoid structure known as pearlite when the steel is cooled slowly enough to reach equilibrium, but by rapid cooling the steel is hardened. 當鋼材冷卻得足夠緩慢而達到平衡狀態(tài)時(shí)，這兩種結構會(huì )形成一種共析結構，稱(chēng)為珠光體，但如果快速冷卻，鋼材將被硬化。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
