| 双金属复合锤头中铬系耐磨铸铁组织与性能 |
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| 引用本文： | 郭莹.双金属复合锤头中铬系耐磨铸铁组织与性能[J].铸造技术,2011,32(6). |
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| 作者姓名： | 郭莹 |
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| 作者单位： | 陕西理工学院机械工程学院,陕西汉中,723003 |
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| 摘 要： | 针对矿石破碎机锤头强韧性要求高的特点，研究合金元素对铬系耐磨铸铁组织和性能的影响。实验证明，当合金成分ω为1.5％C、9％Cr、1.1％Si、1.3％Mn、1.3％Mo和1.5％Cu时，通过适当的淬火工艺，可获得冲击韧度达到8.2 J/cm2、硬度达58 HRC的铬系耐磨铸铁材质，在保证足够的耐磨性前提下，具有良好的强韧性。
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| 关 键 词： | 铬系耐磨铸铁 合金成分 组织 性能 |
Microstructure and Properties of Chromium Wear-resisting Cast Irons Used on Bimetallic Hammerhead |
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| GUO Ying.Microstructure and Properties of Chromium Wear-resisting Cast Irons Used on Bimetallic Hammerhead[J].Foundry Technology,2011,32(6). |
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| Authors: | GUO Ying |
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| Affiliation: | GUO Ying(College of Machine and Engineering,Shaanxi University of Technology,Hanzhong 723003,China) |
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| Abstract: | For the features of the high demand in strength and toughness of ore crusher hammer,this paper studied the structures and performances of wear-resistant chromium cast irons with different components.The experimental results showed that when the alloying element contents were 1.5% C,9% Cr,1.1% Si,1.3% Mn,1.3% Mo and 1.5% Cu,it would be in the impact toughness of 8.2 J/cm2 and the hardness of 58 HRC at the same time by appropriate quenching technology,this chromium cast iron can ensure adequate wear resistanc... |
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| Keywords: | Wear-Resisting chromium cast iron Alloy composition Microstructure Property |
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