| 单体液压支柱缸体激光熔覆Ni60A+20％WC性能 |
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| 引用本文： | 韩文静,张培训,汤其建,宋进朝.单体液压支柱缸体激光熔覆Ni60A+20％WC性能[J].煤炭学报,2012,37(2):340-343. |
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| 作者姓名： | 韩文静 张培训 汤其建 宋进朝 |
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| 作者单位： | 永城职业学院 矿业工程系，河南 永城 476600 |
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| 摘 要： | 结合煤矿特殊环境特点，以煤矿单体液压支柱缸体用钢27SiMn为基体，激光熔覆Ni60A+20％WC合金粉末制备熔覆层。采用扫描电镜、硬度计、磨损实验机、盐雾试验机对熔覆层性能进行分析研究。结果表明：熔覆层与基体间为冶金结合，熔覆层耐磨性比基体材料有较大提高。熔覆层有很高的显微硬度和较强的耐腐蚀性能。
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| 关 键 词： | 单体液压支柱 缸体 激光熔覆 摩擦磨损性能 耐腐蚀性 |
| 收稿时间： | 2011-04-08 |
| 修稿时间： | 2011-07-18 |
Property of laser cladded Ni60A+20%WC alloy of cylinder of single hydraulic support |
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| HAN Wen-jing,ZHANG Pei-xun,TANG Qi-jian,SONG Jin-chao.Property of laser cladded Ni60A+20%WC alloy of cylinder of single hydraulic support[J].Journal of China Coal Society,2012,37(2):340-343. |
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| Authors: | HAN Wen-jing ZHANG Pei-xun TANG Qi-jian SONG Jin-chao |
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| Affiliation: | 1.Mineral Department,Yongcheng Vocational College,Yongcheng 476600,China;2.Architecture Department,Yongcheng Vocational College,Yongcheng 476600,China) |
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| Abstract: | Combining with the characteristics of the special environmental conditions in mining,taked the sample-the hydraulic support which was made of 27SiMn steel used in coal mines as the matrixbase,and analyzed the cladding layer which was cladded with Ni60A+20%WC alloy powder using laser.Microstructure and properties of the cladding layers were examined by means of SEM,hardness test,wear testand salt-mist test.The results show that metallurgy binding interface between the cladding layer and the base metal is obtained.Wear-resistance and hardness of the clad 27SiMn steel are obviously improved.The cladding layer has high hardness and strong corrosion resistance. |
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| Keywords: | single hydraulic support cylinder laser cladding tribological wear properties corrosion resistant |
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