A new technique of electroplating amorphous Fe-Ni-W alloy deposits was proposed.The structure and morphology o Fe-Ni-W alloy deposit were detected by XRD and SEM.The friction and wear behavior of Fe-Ni-W alloy deposit...A new technique of electroplating amorphous Fe-Ni-W alloy deposits was proposed.The structure and morphology o Fe-Ni-W alloy deposit were detected by XRD and SEM.The friction and wear behavior of Fe-Ni-W alloy deposit were studied and compared with that of chromium deposit.The corrosion properties against 5% sodium chloride,5% sulfuric acid and 5% sodium hydroxide were also discussed.The experimental results indicate that Fe-Ni-W alloy deposits have superior properties against wea than hard chromium deposits under dry sliding condition.Under oil sliding condition,except their better wear resistance,the deposits can protect their counterparts against wear.The deposits plated on brass and AISI 1045 steel show good behavior against corrosion o 5% sodium chloride,5% sulfuric acid and 5% sodium hydroxide.The bath of electroplating amorphous Fe-Ni-W alloy deposits is environmentally friendly and would find widely use in industry.展开更多
采用透射电子显微镜(TEM)和X射线衍射分析(XRD) ,观察化学共还原法制备的纳米W Ni Fe复合粉末,同时研究了添加纳米复合粉末对W95Ni3.5Fe1 .5高比重合金性能的影响。结果表明:共还原法制得的W Ni Fe复合粉末粒度在3 0nm左右,分布均匀,形...采用透射电子显微镜(TEM)和X射线衍射分析(XRD) ,观察化学共还原法制备的纳米W Ni Fe复合粉末,同时研究了添加纳米复合粉末对W95Ni3.5Fe1 .5高比重合金性能的影响。结果表明:共还原法制得的W Ni Fe复合粉末粒度在3 0nm左右,分布均匀,形状呈不规则状;当添加纳米复合粉末的质量所占比例为3 3 .3 %时,所制得的W95Ni3.5Fe1 .5合金密度、致密性最高,硬度亦较好,这与理论分析计算的添加纳米复合粉末的体积比为2 6%相一致。展开更多
基金Project(04GK1007) supported by the Science and Technology Office of Hunan Province,China
文摘A new technique of electroplating amorphous Fe-Ni-W alloy deposits was proposed.The structure and morphology o Fe-Ni-W alloy deposit were detected by XRD and SEM.The friction and wear behavior of Fe-Ni-W alloy deposit were studied and compared with that of chromium deposit.The corrosion properties against 5% sodium chloride,5% sulfuric acid and 5% sodium hydroxide were also discussed.The experimental results indicate that Fe-Ni-W alloy deposits have superior properties against wea than hard chromium deposits under dry sliding condition.Under oil sliding condition,except their better wear resistance,the deposits can protect their counterparts against wear.The deposits plated on brass and AISI 1045 steel show good behavior against corrosion o 5% sodium chloride,5% sulfuric acid and 5% sodium hydroxide.The bath of electroplating amorphous Fe-Ni-W alloy deposits is environmentally friendly and would find widely use in industry.
