通过选择合适的络合剂、电极材料和共沉积元素,成功地从水溶液中电沉积出了Ni Ce P合金。研究了镀液中含磷化合物分别为NaH2PO2与H3PO3时镀层的形貌,并对镀层中Ce含量进行了分析。结果表明,镀液中含磷化合物为H3PO3时得到的镀层较均匀... 通过选择合适的络合剂、电极材料和共沉积元素,成功地从水溶液中电沉积出了Ni Ce P合金。研究了镀液中含磷化合物分别为NaH2PO2与H3PO3时镀层的形貌,并对镀层中Ce含量进行了分析。结果表明,镀液中含磷化合物为H3PO3时得到的镀层较均匀且Ce含量更高,而且当镀液中CeCl3·7H2O浓度低于1 5g/L、H3PO3浓度低于4g/L以及NiCl2·H2O浓度低于8g/L时,得到的镀层中没有Ce元素。展开更多
The equilibrium product in Fe-Cu-Ce,Fe-P-Ce or Fe-Ti-Ce solution have ben Mentified to be Ce_2O_2S,but not the intermetallic compounds of Ce against Cu,P or Ti.The equilibrium eonstant of Ce_2O_2S=2[Ce]+2[O]+[S] and t...The equilibrium product in Fe-Cu-Ce,Fe-P-Ce or Fe-Ti-Ce solution have ben Mentified to be Ce_2O_2S,but not the intermetallic compounds of Ce against Cu,P or Ti.The equilibrium eonstant of Ce_2O_2S=2[Ce]+2[O]+[S] and the interaction coefficients between solutes in Fe-base solution have been determined as follows: K_(Ce_2O_2S)=2.57×10^(-5) e_(Ce)^(Cu)=-0.49;e_(Ce)~P=1.77;e_(Ce)^(Ti)=-3.62 e_(Cu)^(Ce)=-0.22;e_P^(Ce)=0.39;e_(Ti)^(Ce)=-1.23 ε_(Ce)^(Cu)=-128.0;ε_(Ce)~P=-224.1;ε_(Ce)^(Ti)=-710.0 Ce decreases the activities of Cu and Ti in Fe-base solution and increases their solubifities,as well as increases the activity of P and decreases its solubility.展开更多
文摘 通过选择合适的络合剂、电极材料和共沉积元素,成功地从水溶液中电沉积出了Ni Ce P合金。研究了镀液中含磷化合物分别为NaH2PO2与H3PO3时镀层的形貌,并对镀层中Ce含量进行了分析。结果表明,镀液中含磷化合物为H3PO3时得到的镀层较均匀且Ce含量更高,而且当镀液中CeCl3·7H2O浓度低于1 5g/L、H3PO3浓度低于4g/L以及NiCl2·H2O浓度低于8g/L时,得到的镀层中没有Ce元素。
文摘The equilibrium product in Fe-Cu-Ce,Fe-P-Ce or Fe-Ti-Ce solution have ben Mentified to be Ce_2O_2S,but not the intermetallic compounds of Ce against Cu,P or Ti.The equilibrium eonstant of Ce_2O_2S=2[Ce]+2[O]+[S] and the interaction coefficients between solutes in Fe-base solution have been determined as follows: K_(Ce_2O_2S)=2.57×10^(-5) e_(Ce)^(Cu)=-0.49;e_(Ce)~P=1.77;e_(Ce)^(Ti)=-3.62 e_(Cu)^(Ce)=-0.22;e_P^(Ce)=0.39;e_(Ti)^(Ce)=-1.23 ε_(Ce)^(Cu)=-128.0;ε_(Ce)~P=-224.1;ε_(Ce)^(Ti)=-710.0 Ce decreases the activities of Cu and Ti in Fe-base solution and increases their solubifities,as well as increases the activity of P and decreases its solubility.
