| 高强度ZL205A合金大型铸件"白点"偏析研究 |
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| 引用本文： | 李玉胜,翟虎,马宝民,袁伟波,冯志军,曲选辉.高强度ZL205A合金大型铸件"白点"偏析研究[J].铸造,2007,56(2):185-187,191. |
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| 作者姓名： | 李玉胜 翟虎 马宝民 袁伟波 冯志军 曲选辉 |
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| 作者单位： | 1. 北京科技大学,北京,100083
2. 沈阳铸造研究所,辽宁沈阳,110022 |
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| 摘 要： | 对ZL205A合金某大型铸件进行探伤检测,在底片上发现了白色点状偏析组织(以下简称“白点”偏析)。铸造工艺调整以及热处理不能使之减轻或消除。文中对ZL205A合金白点偏析进行研究,测试了偏析组织的力学性能,分析了偏析组织的微观形貌及化学成分,并探讨了其形成机理及防止措施。
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| 关 键 词： | ZL205A合金 偏析 力学性能 微观形貌 形成机理 |
| 文章编号： | 1000-4977（2007）02-0185-04 |
| 修稿时间： | 2006-10-232006-12-14 |
The Study on White Punctate Segregation in High Intensity ZL205A Alloy Large-Scale Casting |
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| LI Yu-sheng,ZHAI HU,MA Bao-min,YUAN Wei-bo,FENG Zhi-jun,QU Xuan-hui.The Study on White Punctate Segregation in High Intensity ZL205A Alloy Large-Scale Casting[J].Foundry,2007,56(2):185-187,191. |
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| Authors: | LI Yu-sheng ZHAI HU MA Bao-min YUAN Wei-bo FENG Zhi-jun QU Xuan-hui |
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| Affiliation: | 1. Beijing University of Science and Technology, Beijing 100083, China; 2. Shenyang Research Institute of Foundry, Shenyang 110022, Liaoning, China |
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| Abstract: | White punctate segregation had been discovered in high intensity ZL205A alloy large-scale casting by X-ray tested, and which can't be abated or eliminated by foundry technique modulated and heat treatment. The author took the study on white punctuate segregation:tested the mechanical properties, analyzed the microstructure and chemical components, and discussed the formative mechanism and solution. |
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| Keywords: | ZL205A alloy segregation mechanical properties microstructure formative mechanism |
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