| 冷装与热装加热对GCrl5轴承钢晶粒度影响的热模拟试验 |
| |
| 引用本文： | 刘亚丽,段晓鸽,张君平,陈良.冷装与热装加热对GCrl5轴承钢晶粒度影响的热模拟试验[J].特殊钢,2018,39(4):9-11. |
| |
| 作者姓名： | 刘亚丽 段晓鸽 张君平 陈良 |
| |
| 作者单位： | 1山钢股份莱芜分公司特钢事业部，莱芜271105 ；
2北京科技大学工程技术研究院，北京100083 |
| |
| 摘 要： | 对轴承钢的冷装和热装加热进行实验室热模拟,对不同热装温度加热后的铸坯晶粒度级别进行分析,对比冷装条件下晶粒度,找到合理的热装温度。试验结果表明,当热装温度超过700℃,其铸坯组织的晶粒和冷装相比明显变得粗大,晶粒度级别在1～2级;根据生产现场连铸坯相变前的平均冷却速度为0.41℃/s,GCr15轴承钢连铸坯的热装温度应控制在670℃以下。
|
Thermal Simulation Testing on Effect of Cold Charging and Hot Charging Heating on the Grain Size of Bearing Steel GCrl5 |
| |
| Liu Yali,Duan Xiaoge,Zhang Junping,Chen Liang.Thermal Simulation Testing on Effect of Cold Charging and Hot Charging Heating on the Grain Size of Bearing Steel GCrl5[J].Special Steel,2018,39(4):9-11. |
| |
| Authors: | Liu Yali Duan Xiaoge Zhang Junping Chen Liang |
| |
| Affiliation: | 1 The Special Steel Plant of Laiwu Breach Company, Shandong Iron and Steel Co. Ltd. , Laiwu 271105 ；
2 Institute of Engineering and Technology, University of Science and Technology, Beijing 100083 |
| |
| Abstract: | For bearing steel in the cold and hot charging heating for laboratory thermal simulation, analyzed the level of casting billet grain size of hot charging by different heating temperature, and compared the grain size under the condition of cold charging, find the reasonable hot charging heating temperature. The results show that： when the hot charging temperature over 700℃, compared with cold charging, its casting billet organization of grain become bulky, grain size level between grade 1 ~ 2； According to the work site ,the before phase change cooling rate of casting billet as an average of 0.41 ℃/s, the hot charging temperature of GCrl5 bearing steel casting billet should be controlled less than 670 ℃. |
| |
| Keywords: | |
|
| 点击此处可从《特殊钢》浏览原始摘要信息 |
|
点击此处可从《特殊钢》下载全文 |
|
