| 热处理对电沉积Fe-Ni-S非晶合金结构与性能的影响 |
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| 引用本文： | 宋运建,王森林,李彩彩,张艺.热处理对电沉积Fe-Ni-S非晶合金结构与性能的影响[J].材料研究学报,2010(6). |
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| 作者姓名： | 宋运建 王森林 李彩彩 张艺 |
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| 作者单位： | 华侨大学材料科学与工程学院; |
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| 摘 要： | 以硫脲为硫源、硼酸为缓冲剂、柠檬酸三钠为络合剂及糖精和1,4丁炔二醇为添加剂的酸性镀液中电沉积了Fe-Ni-S非晶合金薄膜。采用差示扫描量热(DSC)、X射线衍射(XRD)和扫描电镜(SEM)研究了该合金的晶化行为和表面微观形貌。结果表明,镀态Fe-Ni-S合金呈非晶态结构,250℃热处理出现了Fe_7Ni_3(I_(mam))微晶,320.4℃开始晶化出现NiS(R_(3m))相和FeNi_3(P_(m3m))相,417.9℃下大量晶化生成NiS(R_(3m))相和FeNi_3(P_(m3m))相,500℃时合金完全晶化生成许多粒径约为100-200 nm均匀颗粒。研究了热处理对合金薄膜的磁性能、显微硬度和耐腐蚀性能的影响。250℃以下,随着退火温度升高,薄膜的磁性能、显微硬度和耐腐蚀性能不断提高,然后下降。250℃热处理时,合金薄膜饱和磁化强度、硬度和电化学阻抗达到最大(Ms≈1201.1 kA/m,Hv≈425.4 kg/mm~2,Z′≈400Ω),而矫顽力最小(H_C≈2.1 kA/m)。因此250℃热处理的合金镀层软磁性能最佳,耐腐蚀最好。
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| 关 键 词： | 金属功能材料 晶化行为 热处理 Fe-Ni-S非晶合金 电沉积 |
Effect of the Heat Treatment on the Structure and the Properties of the Electrodeposition Fe-Ni-S Amorphous Alloy |
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| SONG Yunjian WANG Senlin LI Caicai ZHANG Yi.Effect of the Heat Treatment on the Structure and the Properties of the Electrodeposition Fe-Ni-S Amorphous Alloy[J].Chinese Journal of Materials Research,2010(6). |
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| Authors: | SONG Yunjian WANG Senlin LI Caicai ZHANG Yi |
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| Affiliation: | SONG Yunjian WANG Senlin~* LI Caicai ZHANG Yi (College of Materials Science , Engineering,Huaqiao University,Xiamen 361021) |
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| Abstract: | The Fe-Ni-S amorphous alloy film was electro-deposited in an acidic bath containing boric acid as a buffer agent,sodium citrate as a complexing agent and saccharin and 2-butyne-l,4-diol as the additives.The crystallization behavior and surface micromorphology of the alloy were studied by differential scanning calorimetry(DSC),X-ray diffractometry(XRD) and scanning electron microscope (SEM).It was found that the structure of the as-plated coating is amorphous.The microcrystalline Fe_4Ni_3(l_(m3m)) started to... |
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| Keywords: | metal function materials crystallization behavior heat treatment Fe-Ni-S amorphous alloy electrodeposition |
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