| 模铸系统结构对钢材探伤合格率的影响 |
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| 引用本文： | 周伟基,鹿海,薄永明,战东平,张飞. 模铸系统结构对钢材探伤合格率的影响[J]. 铸造, 2011, 60(11) |
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| 作者姓名： | 周伟基 鹿海 薄永明 战东平 张飞 |
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| 作者单位： | 1. 抚顺特殊钢股份有限公司技术中心,辽宁抚顺,113001
2. 东北大学材料与冶金学院,辽宁沈阳,110004 |
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| 摘 要： | 研究了浇注系统结构对10～27t大钢锭成材后探伤合格率的影响.通过改进浇注系统结构,降低浇注过程中的夹渣几率,提高了钢材质量.改进后探伤不合格率由14.6％下降到25％,下降了83％.
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| 关 键 词： | 铸造 夹杂物 夹渣 探伤 合格率 |
Effect of Gating System on Flaw Detection Qualification Rate of Steel by Ultrasonic Testing |
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| ZHOU Wei-ji,LU Hai,BO Yong-ming,ZHAN Dong-ping,ZHANG Fei. Effect of Gating System on Flaw Detection Qualification Rate of Steel by Ultrasonic Testing[J]. China Foundry, 2011, 60(11) |
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| Authors: | ZHOU Wei-ji LU Hai BO Yong-ming ZHAN Dong-ping ZHANG Fei |
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| Affiliation: | ZHOU Wei-ji1,LU Hai1,BO Yong-ming1,ZHAN Dong-ping2,ZHANG Fei2(1.Technical Center of Fushun Special Steel Co.,Ltd.,Fushun 113001,Liaoning,China,2.School of Materials & Metallurgy,Northeastern University,Shenyang 110004,China) |
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| Abstract: | The paper studied the effect of gating system's structure on the qualification rate of the heavy ingots that weigh from 10 to 27 t by ultrasonic testing.The entrapped slag was decreased,and the steel quality was improved by improvement of the gating system.The reject ratio is reduced by 83% from 14.6% to 2.5%. |
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| Keywords: | casting inclusion entrapped slag flaw detection qualification rate |
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