摘要
试验表明,冷却速度增大,使奥氏体的一次二次枝晶间距缩小,断口形貌改善;并且可使材质的综合力学性能,特别是韧性明显提高。
The test shows that the cooling speed affects the first arm-spacing and the second arm-spacing, and concluded that they are decreased, the fi：acture fractographies are improved, and the mechanical properties, especially the toughness, is obviously increased while the cooling speed increases.
出处
《热加工工艺》
CSCD
北大核心
2006年第17期34-35,91,共3页
Hot Working Technology
关键词
低铬铸铁
冷却速度
组织
性能
low-chromium cast iron
cooling speed
structure
propertiy
