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來源文獻資料
摘要
外文摘要
引文資料
題名:
熱處理對電鍍鎳微結構與硬度的影響
書刊名:
大葉學報
作者:
林招松
/
許倍誠
作者(外文):
Lin, Chao-sung
/
Hsu, Pei-cheng
出版日期:
2001
卷期:
10:1
頁次:
頁13-20
主題關鍵詞:
胺基磺酸鎳
;
優選方位
;
穿透式電子顯微鏡
;
再結晶
;
晶粒成長
;
雙集合結構
;
Sulfamate nickel
;
Texture
;
Transmission electron microscopy
;
Recrystallization
;
Granular growth
;
Bimodal grain structure
原始連結:
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相關次數:
被引用次數:期刊(0) 博士論文(0) 專書(0) 專書論文(0)
排除自我引用:0
共同引用:0
點閱:72
本研究從胺基磺酸鎳浴中以電流密度0.5~4.0 A/dm2製備鍍鎳層,探討鍍鎳層經200~600℃ 熱處理1小時後,鍍層微結構與硬度的變化。以穿透式電子顯微鏡分別對鍍鎳層做平面向和橫截面的結晶構造與缺陷分析。實驗結果顯示:不同電流密度下製備的鍍鎳層具有不同的優選方位、結晶大小和缺陷密度,在0.5~4.0 A/dm2 下製備的鎳層皆呈大晶粒與小晶粒混合的雙集合結構,晶粒大小隨電流密度增加而增加,但其結晶缺陷密度卻隨電流密度增加而減少,高電流密度製備的鎳層晶粒較粗大且其結晶缺陷較少,導致鎳層硬度較低。電流密度小於1.0 A/dm2時,鍍鎳層結晶優選取向為較弱的〔110〕,鍍層經400℃ 熱處理後有再結晶與晶粒成長的現象,導致硬度急遽下降。當電流密度大於1.0 A/dm2 時,鍍鎳層呈明顯柱狀晶結構,〔100〕優選取向明顯,鍍層經600℃ 熱處理後鍍層仍保有柱狀晶結構,僅有晶粒成長,鍍層硬度隨熱處理溫度上昇而呈緩慢下降。
以文找文
Nickel coatings were electrodeposited from a sulfamate bath at current densities ranging from 0.5 to 4.0 A/dm2. After 1 h of annealing at 200 to 600℃, the microstructural and hardness changes of Ni electrodeposits were investigated. The grain structure and lattice defects of Ni deposits were characterized by plane-view and cross-sectional transmission electron microscopy. Ni deposit textures were measured by the conventional x-ray diffraction technique. Ni plated at distinct current densities exhibited different textures and had different crystalline sizes and densities of lattice defect. That is, the grain size increased and the density of lattice defect decreased with increasing current densities, although all the Ni deposits studied had a bimodal grain structure. The relatively-soft Ni deposited at high current densities arose from their coarse granular structure with fewer lattice defects. The Ni deposited at current densities less than 1.0 A/dm2 exhibited a weak [110] texture. The [110]-oriented Ni suffered recrystallization and grain growth after 1 h of annealing at 400℃, and its hardness markedly decreased. On the contrary, the Ni deposited at current densities greater than 1.0 A/dm2 displayed a strong [100] texture, and the deposit suffered a gradual decrease in hardness after annealing up to 600℃ when the Ni deposit retained its columnar granular structure despite the slight grain growth.
以文找文
期刊論文
1.
Amblard, J.、Epelboin, I.、Froment, M.、Maurin, G.(1979)。Inhibition and nickel electrocrystallization。Journal of Applied Electrochemistry,9,233-242。
2.
Banerjee, B. C.、Goswami, A.(1959)。Effect of chloride on the orientation of nickel deposits。Journal of the Electrochemical Society,106,590-592。
3.
Banovic, S. W.、Barmak, K.、Marder, A. R.(1998)。Microstructural characterization and hardness of electrodeposited nickel coatings from a sulfamate bath。Journal of Materials Science,33,639-645。
4.
Baudrand, D.(1996)。Nickel sulfamate plating, its mystique and practicality。Metal Finishing,94(7),15-18。
5.
DiBari, G. A.(1986)。Nickel plating basics。Metal Finishing,84(8),23-26。
6.
Dini, J. W.、Johnson, H. R.(1978)。The influence of nickel sulfamate operation parameters on the impurity content and properties of electrodeposits。Thin Solid Films,54,183-188。
7.
Evans, D. J.(1958)。The structure of nickel electrodeposits in relation to some physical properties。Transactions of Faraday Society,54,1086-1091。
8.
Huang, C.-H.(1994)。Hydrolysis of sulfamate ion in nickel sulfamate solution。Plating and Surface Finishing,81(9),64-68。
9.
Jacobson, B. E.、Sliwa, J. W.(1979)。Structure and mechanical properties of electrodeposited nickel。Plating and Surface Finishing,66(9),42-47。
10.
Kaja, S.、Pickering, H. W.、Bitler, W. R.(1986)。Effect of pH on the microstructure of nickel electrodeposits: a TEM study。Plating and Surface Finishing,73(1),58-61。
11.
Kawanami Y.、Nakano, M.、Kajihara, M.、Mori, T.(1998)。Growth rate of fine grains formed by diffusion induced recrystallization in Ni layer of Cu/Ni/Cu diffusion couples。Materials Transactions, Japan Institute of Metals,39(1),218-224。
12.
Lee, D. N.、Ye, G. C.(1981)。Orientation and microstructure of Watts and brightness nickel electrodeposits。Plating and Surface Finishing,68(11),46-50。
13.
Weil, R.、Paquin, R.(1960)。The relationship between brightness and structure in electroplated nickel。Journal of the Electrochemical Society,107,87-91。
14.
Weil, R.、Jacobus, W. N.、DeMay, S. J.(1964)。The effect of annealing on the microstructure and hardness of some nickel electrodeposits。Journal of the Electrochemical Society,111,1046-1052。
15.
Ye, G. C.、Lee, D. N.(1981)。Orientation and microstructure of dull nickel electrodeposits。Plating and Surface Finishing,68(4),60-64。
圖書
1.
Löwenheim, F. A.(1963)。Modern Electroplating。New York:John Willey & Sons Inc.。
2.
William, W. H.(1986)。The Properties of Electrodeposited Metals and Alloys。Florida:American Electroplators and Surface Finishers Society。
圖書論文
1.
DiBari, G. A.(1994)。Nickel plating。ASM Materials Handbook。
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