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| GCr15钢棒材浸水快冷模拟轧后快冷工艺研究 | |
| 引用本文： | 孙有社,赵长伟,孙素环,佟德昌. GCr15钢棒材浸水快冷模拟轧后快冷工艺研究[J]. 材料开发与应用, 2002, 17(4): 24-28 |
| 作者姓名： | 孙有社 赵长伟 孙素环 佟德昌 |
| 作者单位： | 1. 洛阳通用机械有限公司,洛阳,471822 2. 洛阳农业高等专科学校,洛阳,471003 3. 大连钢厂特钢研究所,大连,116024 |
| 摘 要： | 用浸水快冷模拟轧后快冷 ,研究了快冷工艺参数对GCr15钢最终组织和碳化物的影响。结果表明 ,控制终冷温度在 70 0～ 5 0 0℃范围内 ,能够改善淬火后碳化物的大小及分布 ,碳化物颗粒细小 ,分布均匀 ,碳化物网状级别由 2 .0级下降到 1.0级 ,球化级别由 1.0级提高到 2 .0～ 2 .5级。在相同的热处理工艺下 ,浸水快冷球化退火后淬回火试样的硬度比热轧空冷样的有所提高 |
| 关 键 词： | GCr15钢 热处理 组织 快冷 |
| 文章编号： | 1003-1545(2002)08-0024-05 |
| 修稿时间： | 2001-11-27 |
Water Cooling of GCr15 Steel Rod to Simulate Post-rolling Rapid Cooldown |
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| Sun Youshe ) Zhao Changwei ) Sun Suhuan ) Tong Dechang ). Water Cooling of GCr15 Steel Rod to Simulate Post-rolling Rapid Cooldown[J]. Development and Application of Materials, 2002, 17(4): 24-28 | |
| Authors: | Sun Youshe ) Zhao Changwei ) Sun Suhuan ) Tong Dechang ) |
| Affiliation: | Sun Youshe 1) Zhao Changwei 2) Sun Suhuan 2) Tong Dechang 3) |
| Abstract: | By submerging GCr15 steel rod in water to simulate rapid cooldown after rolling, the influence of cooling parameters on the ultimate structure and carbide of the steel is investigated. The results suggest that providing the cooling temperature is in a range of 700～500℃, the size and distribution of carbide after quenching are improved as the level of carbide network decreased from 2.0 to 1.0, the level of spheroidite increased from 1.0 to 2.0～2.5. The quenching hardness of sphoroidized samples after rapid cooldown by submerging in water is higher than that of annealing ones after rolling though through the same heat treatment. |
| Keywords: | GCr15 steel Heat treatment Structure Rapid cooldown |
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