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- The zinc-iron alloy electroplating technology in zincate solution by pulse current was investigated. 介紹了在鋅酸鹽溶液中脈沖電鍍鋅-鐵合金工藝。
- A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization. 采用縮合、季堿化及酯化反應研制了一種“178”堿性鋅酸鹽鍍鋅光亮劑。
- Improvement in alkaline etching and smut removing before zincate treatment was summed up. 對浸鋅前處理的堿蝕和出光的改進(jìn)方法進(jìn)行了總結。
- Meanwhile,development and mechanism of zincate treatment process were summarized. 同時(shí),對浸鋅工藝的改良與發(fā)展及浸鋅機理的研究進(jìn)行了簡(jiǎn)要評述。
- Abstract: Tin compound was coated on the surface of the calcium zincate by chemical deposition. 摘 要: 采用化學(xué)沉積法在四邊形鋅酸鈣表面包覆一層金屬錫化合物。
- An additive, ZFA was developed for zinc-iron alloy plating from alkaline zincate bath. 鋅基合金電鍍層由于具有優(yōu)良的耐蝕性而受到人們的關(guān)注。
- The characteristics and two types of additives of zincate zinc plating were introduced briefly. 簡(jiǎn)單介紹了鋅酸鹽鍍鋅的特點(diǎn)及其添加劑的兩種類(lèi)型。
- The codeposition type of Zn-Ni alloys in alkaline Zincate solution has induced codeposition, which is different from other systems. 鋅-鎳合金在堿性鋅酸鹽溶液中的沉積規律不 同于其它體系，是特殊的誘導共沉積。
- The factors of affecting on the reaction were discussed and the reaction activities of various bromo hydrocarbons reaction with zincate were given. 討論了影響反應的一些因素，比較了不同溴代試劑與鋅酸鹽發(fā)生反應的活潑性。
- This article gives the living example of 746 factory.It introduced the treatment of basic zincate zinc plating waste waters and reclaiming engineering. 以746廠(chǎng)為實(shí)例，介紹了堿性鋅酸鹽鍍鋅廢水處理與回用的工程實(shí)例。
- Two pre-trea tment technological formula on dipped zincate salt and dipped Zinc-nickel alloy which were practiced in our factory are compared. 就浸鋅酸鹽和浸鋅鎳合金兩種預處理工藝配方在本廠(chǎng)生產(chǎn)中的實(shí)際應用情況作以比較。
- It introduces the process principles of extracting zincate from industrial zinc slag with the methods of acid soak, replacement, oxidation and etc. 用濕法酸溶浸取、置換、氧化法除雜,研究從工業(yè)廢鋅渣中回收和提純鋅鹽系列產(chǎn)品的工藝原理及其理論依據。
- Zincate treatment is a normal pre-treatment for aluminium and its alloys,playing an important role in practical production. 浸鋅是鋁及其合金特殊前處理中較為常見(jiàn)的方式,在實(shí)際生產(chǎn)中占有重要地位。
- The results show that the hardness and embrittlement of zinc deposit from cyanide bath are minimum and those from zincate bath are maximum. 結果表明:三種鍍鋅層在結晶晶粒度相近的情況下,硬度和脆性仍有明顯的差異,其硬度和脆性是鋅酸鹽>氯化物>氰化物。
- Through the contrast tests, it is considered that alkaline zincate bath with DPE-3 or ZB-80 as brightener is better than ammonium chloride bath for the conversion. 通過(guò)對比試驗,認為采用DPE-3、ZB-80為光亮劑的鋅酸鹽鍍鋅比銨鹽鍍鋅的鈍化效果好。
- The methods for judging the properties of the brighteners for alkaline zincate zinc plating from coating appearance,throwing power,covering power,etc.are discussed. 介紹了從鍍層外觀(guān)、深鍍能力及分散能力等方面判別堿性鋅酸鹽鍍鋅光亮劑性能的方法。
- The trivalent chromium passivation film based on zincate plating obtained has compact structure with no obvious crack, and excellent anticorrosion performance. 結果表明：鋅酸鹽鍍鋅層的三價(jià)鉻鈍化膜表面結構致密、無(wú)明顯裂紋，具有較好的耐腐蝕性能；
- The main synthesized methods for preparing calcium zincate as zinc electrode material are chemical synthesis method,ball-milling method and chemical coprecipitation method. 制備二次鋅負極用鋅酸鈣的主要方法有：化學(xué)沉淀法、球磨法、絡(luò )合沉淀法三種。
- The effects of pulse current, frequency, duty ratio and inverse current in zincate system on the appearance and corrosion resistance of zinc coating are investigated. 研究了在鋅酸鹽鍍鋅體系中采用脈沖電流時(shí),脈沖頻率、脈沖的占空比、反向電流對鍍層外觀(guān)、耐蝕性的影響。
- And development process of zincate treatment solution,from concentrated to dilute,from single to multi-metal and from cyanide to cyanide free,was reviewed. 較為詳細的闡述了鋁及鋁合金浸鋅溶液從濃溶液到稀溶液,從單純浸鋅到多元合金浸鋅,從有氰到無(wú)氰的發(fā)展過(guò)程。
