Electrodeposition and Surface Treatment最新文献

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Gold plating technology 镀金技术
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90047-4
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引用次数: 0
Electrodeposition of copper on a copper single crystal (111) plane in the presence of iodide ions 在碘离子存在下,在铜单晶(111)平面上电沉积铜
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90042-5
S. Nageswar
{"title":"Electrodeposition of copper on a copper single crystal (111) plane in the presence of iodide ions","authors":"S. Nageswar","doi":"10.1016/0300-9416(75)90042-5","DOIUrl":"10.1016/0300-9416(75)90042-5","url":null,"abstract":"<div><p>In the presence of iodide ions the pyramidal type of growth on a (111) face changes to a layer type of growth which transforms to ridges and then to polycrystalline material at low current densities. At higher concentrations the transitions are not regular. The surface becomes corroded at a higher concentration of iodide.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 195-204"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90042-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85641869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The electropolishing of aluminum 铝的电抛光
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90038-3
P. Neufeld, D.M. Southall
{"title":"The electropolishing of aluminum","authors":"P. Neufeld,&nbsp;D.M. Southall","doi":"10.1016/0300-9416(75)90038-3","DOIUrl":"10.1016/0300-9416(75)90038-3","url":null,"abstract":"<div><p>An electron microscopical study of electropolished aluminium films formed in a variety of different electrolytes is reported. Polishing in various electrolytes produces films which have different morphologies dependent upon the electrolyte used. The films have no common structure for the range of electrolytes used. It appears that the electrolyte needs only to be able to induce adequate ionic conductivity in the surface film for the production of a smooth and bright surface.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 159-168"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90038-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87415722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
The effect of a magnetic field on the electrodeposition of iron-nickel alloy 磁场对铁镍合金电沉积的影响
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90044-9
I. Ohno, M. Mukai
{"title":"The effect of a magnetic field on the electrodeposition of iron-nickel alloy","authors":"I. Ohno,&nbsp;M. Mukai","doi":"10.1016/0300-9416(75)90044-9","DOIUrl":"10.1016/0300-9416(75)90044-9","url":null,"abstract":"<div><p>The effect of a magnetic field on the electrodeposition of a thin film of iron-nickel alloy for magnetic material was examined. The cathode potential during the electrodeposition of a ferromagnetic iron-nickel alloy in the magnetic field was compared with that of non-magnetic copper and magnetic nickel. The effect of a magnetic field on the form of the electrodeposit was examined.</p><p>It was observed that the effect of a magnetic field on the cathode potential was to increase polarization in the electrodeposition of nickel and iron-nickel alloy and magnetic metals. The polarization effect was greater when the magnetic field was perpendicular to the electrolytic current flux than when the two fluxes were in parallel. The form of the electrodeposit changed greatly with changes in the direction of the magnetic field.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 213-218"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90044-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74845265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
A critical appraisal of the methods for measuring adhesion of electrodeposited coatings 电沉积涂层附着力测量方法的关键评价
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90046-2
{"title":"A critical appraisal of the methods for measuring adhesion of electrodeposited coatings","authors":"","doi":"10.1016/0300-9416(75)90046-2","DOIUrl":"https://doi.org/10.1016/0300-9416(75)90046-2","url":null,"abstract":"","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Page 223"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90046-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136846818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electroplating of crack-free corrosion resistant Co-Mo alloy coatings 无裂纹耐腐蚀Co-Mo合金镀层的电镀
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90043-7
Vu Quang Kinh, E. Chassaing, M. Saurat
{"title":"Electroplating of crack-free corrosion resistant Co-Mo alloy coatings","authors":"Vu Quang Kinh,&nbsp;E. Chassaing,&nbsp;M. Saurat","doi":"10.1016/0300-9416(75)90043-7","DOIUrl":"10.1016/0300-9416(75)90043-7","url":null,"abstract":"<div><p>Thick crack-free Co-Mo coatings containing 12%–18% molybdenum can be electroplated on metal substrates from an aqueous citrate complex bath containing sodium molybdate and a cobalt salt. The deposits have a columnar microstructure and a hardness of about 400 VHN. The internal tensile stress in the deposits is about 5 kg/mm<sup>2</sup>, does not change significantly with molybdenum content, but shows a slight decrease when the cathode current density increases. These Co-Mo deposited alloys are well-crystallized supersaturated solid solutions with a close-packed hexagonal structure. The cathodic current efficiencies vary between 60% and 75%, depending on experimental conditions. The resistance to acids, especially concentrated hydrochloric, is excellent. Corrosion behaviour of deposits is improved by adequate heat treatment and reaches that of their cast counterparts.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 205-212"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90043-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88576860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Electrodeposition of alloys III. Electrodeposition and x-ray structure of cobalt-indium alloys (initial studies) 合金的电沉积III。钴铟合金的电沉积和x射线结构(初步研究)
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90037-1
Y.N. Sadana, A.E. Keskinen, M. Guindon
{"title":"Electrodeposition of alloys III. Electrodeposition and x-ray structure of cobalt-indium alloys (initial studies)","authors":"Y.N. Sadana,&nbsp;A.E. Keskinen,&nbsp;M. Guindon","doi":"10.1016/0300-9416(75)90037-1","DOIUrl":"10.1016/0300-9416(75)90037-1","url":null,"abstract":"<div><p>Cobalt-indium alloys, ranging in composition from 2.0 to 90.6% cobalt, have been electrodeposited from aqueous solutions. The effect of current density on current efficiency and composition of the deposit has been studied. An increase in current density increases the cobalt content of the deposits. Addition of ammonium citrate improves current efficiency. X-ray studies of the annealed deposits indicate the presence of two intermediate phases, CoIn<sub>3</sub> and Co<sub>3</sub>In<sub>2</sub>, both of which are tetragonal. The lattice constants are: CoIn<sub>3</sub>, <em>a</em> = 8.2195 Å, <em>c</em> = 8.669 Å, <em>c</em>/<em>a</em> = 1.020; Co<sub>3</sub>In<sub>2</sub>, <em>a</em> = 8.23 Å and <em>c</em> = 10.478 Å, <em>c</em>/<em>a</em> = 1.272.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 149-157"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90037-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74939155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Interferometric investigation of the kinetics of the levelling process during bright electroplating 光亮电镀整平过程动力学的干涉研究
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90040-1
Chr. Nanev, L. Mirkova, St. Rashkov, R. Kaischev
{"title":"Interferometric investigation of the kinetics of the levelling process during bright electroplating","authors":"Chr. Nanev,&nbsp;L. Mirkova,&nbsp;St. Rashkov,&nbsp;R. Kaischev","doi":"10.1016/0300-9416(75)90040-1","DOIUrl":"10.1016/0300-9416(75)90040-1","url":null,"abstract":"<div><p>An interferometric method was devised for the direct quantitative investigation of the levelling ability of electrolytic baths used in the bright plating processes. The method makes it possible to measure <em>in situ</em> the main parameters of the depositing galvanic layer. The experimental conditions resemble those prevailing in industry; the electrolyte circulates, is continuously filtrated and is air agitated. The method is rapid and can be automated. Measurements are performed according to a preset time programme. It was applied to the study of the levelling ability of different baths for bright acid copper plating in which the cathode was an unmodulated gramophone plate matrix. The deposition rate in the grooves and onto the smooth portions of the electrode surface was established. From the data obtained the full pattern of the time dependence of the cathode profile was reconstructed.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 179-188"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90040-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81352374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Electrodeposition of zirconium diboride from oxides dissolved in molten cryolite 由溶解在熔融冰晶石中的氧化物电沉积二硼化锆
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90039-5
E.J. Frazer, K.E. Anthony , B.J. Welch
{"title":"Electrodeposition of zirconium diboride from oxides dissolved in molten cryolite","authors":"E.J. Frazer,&nbsp;K.E. Anthony ,&nbsp;B.J. Welch","doi":"10.1016/0300-9416(75)90039-5","DOIUrl":"10.1016/0300-9416(75)90039-5","url":null,"abstract":"<div><p>Zirconium diboride has been deposited from B<sub>2</sub>O<sub>3</sub> and ZrO<sub>2</sub> dissolved in molten Na<sub>3</sub>AlF<sub>6</sub> using nickel as the cathode material. The mechanism of the deposition and the morphology of the deposit were shown to be strongly dependent upon melt composition and current density. A series of nickel boride diffusion compounds was also identified by electron microprobe analysis. The compounds Ni<sub>3</sub>B, Ni<sub>2</sub>B, Ni<sub>4</sub>B<sub>3</sub> and NiB were formed quite readily at lower current densities. The ZrB<sub>2</sub> deposit was mainly scaly and/or dendritic and was usually non-adherent. Three competing reaction sequences were found to be in operation: </p><ul><li><span>1.</span><span><p>(i) boron deposition and nickel boride formation by diffusion,</p></span></li><li><span>2.</span><span><p>(ii) boron deposition and subsequent chemical reaction with ZrO<sub>2</sub> to form ZrB<sub>2</sub>, and</p></span></li><li><span>3.</span><span><p>(iii) codeposition of boron and zirconium to form ZrB<sub>2</sub>.</p></span></li></ul></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 169-177"},"PeriodicalIF":0.0,"publicationDate":"1975-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90039-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90783470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Macrostress in electrodeposited coatings determined by x-ray diffraction technique 用x射线衍射技术测定电沉积涂层中的宏观应力
Electrodeposition and Surface Treatment Pub Date : 1975-03-01 DOI: 10.1016/0300-9416(75)90049-8
L. Révay
{"title":"Macrostress in electrodeposited coatings determined by x-ray diffraction technique","authors":"L. Révay","doi":"10.1016/0300-9416(75)90049-8","DOIUrl":"10.1016/0300-9416(75)90049-8","url":null,"abstract":"<div><p>Various metallic coatings deposited on different substrates have been investigated by means of X-rays to determine the macrostresses. The dependence of lattice strain on sin<sup>2</sup> ψ obeys the linear relationship expected from the linear theory of elasticity.</p><p>The present study was intended to explore the possible application of X-ray macrostress measurement to surface coatings.</p><p>Measurement on gold electrodeposits revealed tensile stresses. After dissolution of the substrate (with intermediate nickel, copper or silver layer) the stress in the gold deposit changed to compressive. The stress of electrodeposited nickel was compressive; dissolution of the aluminium substrate reduced the stress level. Electrodeposited zinc coatings showed compressive stresses. The macrostresses are expressed in terms of proportional stresses to distinguish them from the absolute stress values.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 2","pages":"Pages 97-104"},"PeriodicalIF":0.0,"publicationDate":"1975-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90049-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80910226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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