This paper determines the technological process, bath formularizstion and experimental parameter of electroless multicomponent cobalt based soft magnetic film with rare earth elements joined such as co - ni - b - re and co - fe - b - re by the means of perpendicular experiment and regression analysis. this paper also studies the active mechanism of rare earth elements, ultrasonic irradiation and magnetic field on the plating process, chemical component, surface configuration, microstructure and properties of electroless multicomponent cobalt based soft magnetic film in the way of examining in the component, microstructure and properties of such alloy
本文採用正交實驗和回歸分析的方法,確定了稀土化學沉積co - ni - b - re 、 co - fe - b - re多元
鈷基軟磁薄膜的工藝流程、
鍍液配方和實驗參數,並通過對合金
鍍層的成分含量測定、形貌結構分析和力學磁學性能評估,研究了稀土元素、超聲波、磁場介入化學沉積多元
鈷基軟磁薄膜工藝后,對合金成分、結構和性能的作用機制。
Device of casting etc. nickel cobalt alloy of copper electroplate technology in succession, it adopts the electroplating craft of the assembling type, the electroplating system of the low stress, according to the user s needs, can be constructed and plate different kinds of coppers
兩國聯合企業millcraft sms services的連鑄機結晶器銅板鎳
鈷合金電
鍍技術,它採用組裝式的電
鍍工藝,低應力的電
鍍體系,根據用戶需求,可對不同類型銅板進行施
鍍。
The best parameters of electroless plating were observed. results demonstrated that by utilizing the ultrasonic into the electroless plating, the reaction can reacted in lower temperature and the self - decomposition of the solution can be prevented
對陶瓷粉末化學
鍍鈷法制備金屬陶瓷復合粉末的研究表明:通過在粉體化學
鍍中引入超聲波,使得反應可以在較低溫度下進行,防止了
鍍液的自分解。
Composition of cobalt - tungsten deposit was changed with the change of tungsten concentration and current density in plating solution
實驗表明,隨著
鍍液中鎢離子濃度的不同和電流密度的改變,
鈷鎢合金
鍍層組成不同。
Results showed cobalt - tungsten deposit as copper barrier at temperature of 500 and below was superior to nickel, cobalt deposit
當溫度低於500時,
鈷鎢合金
鍍層的防銅滲性能優於後二者。
Meanwhile, properties of cobalt - tungsten, nickel, cobalt deposit as copper barrier at temperature between 400 and 800 were compared
同時比較了在400 800下,
鈷鎢合金
鍍層與鎳層、
鈷層的防銅滲能力。
The effects of electroless nickel plating on the particles morphology and the electrochemical properties of low - co hydrogen storage alloy were investigated
摘要研究了化學
鍍鎳對低
鈷貯氫合金粉末顆粒形態和電化學性能的影響。
The results showed that the electroless nickel plating could increase the discharge capacity, 1c discharge properties and cycle stability obviously, and could also improve the activation
結果表明,
鍍鎳能明顯提高低
鈷貯氫合金的放電容量、 1c高倍率放電性能及循環穩定性,對活化性能亦有改善。
Re also enhanced the deposition potential, polarizability and cathode overpotential of the baths, changed the result of chemical deposition reactions and actuate the deposit of cobalt alloy. and the chemical deposit co - b - re, co - ni - p - re alloy include re which electrode potential is much more negative was obtained. the structure of co - b - re was composed of microcrystal
Re還提高了
鍍液的靜止析出電位、極化度和陰極過電位,改變了化學沉積反應的強弱次序,加強了
鈷基合金的析出反應,成功地獲得了含電極電位較負的re ( la , ce , y )的化學沉積co - b 、 co - ni - p薄膜。
Research on interface mechanism of nickel foam substrate electrodeposited cobalt
鍍鈷泡沫鎳基板界面機理研究
The objective of the paper is to get nano sisn ^ co composite powder of high quality by electroless plating at normal temperature. the rules were researched that the composition of electroless plating solution and reaction condition had an influence on the reaction of electroless plating of nano - si3n4 with ultrasonic wave. the best composition of electroless plating solution was obtained
本文以常溫化學
鍍法制備高質量的納米氮化硅?
鈷磷復合粉末為目標,研究
鍍液組分及其工藝參數對納米氮化硅超聲波化學
鍍鈷的影響規律,得到了納米氮化硅超聲波化學
鍍的優化配方,制得了
鍍層均勻,分散性好的納米復合粉末。
To obtain the ultra fine atc ceramic with fine, uniform grain and high mechanical properties and solve the problem of brittle of ceramic, the technique of electroless cobalt plating under low temperature and ultrasonic was used to get a cobalt deposition on nano / micro al2o3, tic ceramic. the nano / micro al2o3 - tic - co composite powder with different cobalt content was prepared by changing the load. the composite powder was then hot - pressed into a ultra fine composite ceramic
為了得到品粒細小、均勻,力學性能優異的co - al _ 2o _ 3 - tic ( atc )復合陶瓷,解決陶瓷的脆性問題,本文在化學
鍍鈷制備高性能atc復合陶瓷的基礎上,採用超聲波化學
鍍方法,以提高
鈷在陶瓷粉末以及al _ 2o _ 3與tic陶瓷顆粒之間的分佈均勻性,以期進一步提高atc陶瓷的力學性能。
Through parallel experiments, the rules were studied more that the composition of electroless plating solution and reaction condition affected on the reaction of electroless cobalt plating of nano - sian4 with ultrasonic wave, such as " induction period ", the speed of reaction, appearance and morphology of composite powder, the component and phases of the plating et al
通過對比實驗,分別就
鍍液組分及其工藝參數對納米氮化硅化學
鍍鈷反應孕育期、反應速度、復合粉末外觀、形貌,
鍍層成份及相結構的影響規律進行了深入研究。孕育期是反映化學
鍍液質量,影響化學
鍍效率的重要參數。
Standard specification for electrodeposited coatings for zinc cobalt alloy deposits
鋅
鈷合金沉積物用電解
鍍層標準規范
With the increasing of knac4h4o6 * 4h2o and naacehso ? ? 2h2o, the speed of plating was increasing when the concentration of them was low
鍍液的ph值與次亞磷酸鈉和硫酸鈷的摩爾比對鍍層成分、及相結構的影響較為顯著。