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Phase transformations in electrolytic silver-zinc alloys 电解银锌合金的相变
Electrodeposition and Surface Treatment Pub Date : 1975-09-01 DOI: 10.1016/0300-9416(75)90057-7
Sandip Roy , T. Banerjee
{"title":"Phase transformations in electrolytic silver-zinc alloys","authors":"Sandip Roy ,&nbsp;T. Banerjee","doi":"10.1016/0300-9416(75)90057-7","DOIUrl":"10.1016/0300-9416(75)90057-7","url":null,"abstract":"<div><p>A comparative study of the phases in cast and electrodeposited silver- zinc alloys has been made by means of an X-ray diffraction technique. The phase transformations in electrolytic alloys deposited at various controlled cathode potentials from cyanide baths were confirmed by resistivity and microhardness measurements. The existence of various metastable alloys in the as-deposited state and their subsequent transformation on annealing to equilibrium phases are discussed in the light of excess energy supplied by the cathode potential, co-deposited hydrogen and the vacancies left by the loss of the initially co-deposited hydrogen.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 5","pages":"Pages 289-305"},"PeriodicalIF":0.0,"publicationDate":"1975-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90057-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78480425","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
Publishers' note 出版商的注意
Electrodeposition and Surface Treatment Pub Date : 1975-09-01 DOI: 10.1016/0300-9416(75)90056-5
{"title":"Publishers' note","authors":"","doi":"10.1016/0300-9416(75)90056-5","DOIUrl":"https://doi.org/10.1016/0300-9416(75)90056-5","url":null,"abstract":"","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 5","pages":"Page i"},"PeriodicalIF":0.0,"publicationDate":"1975-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90056-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137261551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrolytic silicide coating in fused salts 熔盐中的电解硅化物涂层
Electrodeposition and Surface Treatment Pub Date : 1975-07-01 DOI: 10.1016/0300-9416(75)90002-4
P. Fellner, K. Matiašovský
{"title":"Electrolytic silicide coating in fused salts","authors":"P. Fellner,&nbsp;K. Matiašovský","doi":"10.1016/0300-9416(75)90002-4","DOIUrl":"10.1016/0300-9416(75)90002-4","url":null,"abstract":"<div><p>Silicide coating of stainless steels and Nimonic-type alloys in melts of the system Na<sub>3</sub>AlF<sub>6</sub>-SiO<sub>2</sub>-Al<sub>2</sub>O<sub>3</sub> was examined both chemically and electrolytically. With the latter, it was found that, at a temperature of 1020 °C and cathodic current densities of 50–200 mA cm<sup>-2</sup>, a bright homogeneous silicide layer with an average composition corresponding approximately to M<sub>3</sub>Si with good anticorrosive properties (mainly with respect to vanadium corrosion) is formed at the cathode.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 4","pages":"Pages 235-244"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90002-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82917709","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: 12
Texture correspondence between the crystallites of h.c.p. and f.c.c. phases in two-phase electrolytic coatings of cobalt and nickel-cobalt alloys 钴和镍钴合金两相电解镀层中hcp和fcc相晶体的织构对应关系
Electrodeposition and Surface Treatment Pub Date : 1975-07-01 DOI: 10.1016/0300-9416(75)90001-2
S. Vitkova, S. Armianov, N. Pangarov
{"title":"Texture correspondence between the crystallites of h.c.p. and f.c.c. phases in two-phase electrolytic coatings of cobalt and nickel-cobalt alloys","authors":"S. Vitkova,&nbsp;S. Armianov,&nbsp;N. Pangarov","doi":"10.1016/0300-9416(75)90001-2","DOIUrl":"10.1016/0300-9416(75)90001-2","url":null,"abstract":"<div><p>A well-defined correspondence between the orientations of f.c.c. and h.c.p. crystallites was found upon investigation of the textures of two-phase electrolytic coatings consisting of cobalt and nickel-cobalt alloys. The orientation of only one of the phases is determined by the conditions of electrolysis. Four cases of texture correspondence were established in nickel-cobalt alloys: 〈110〉 for f.c.c. crystallites + 〈11<span><math><mtext>2</mtext></math></span>0〉 for h.c.p. crystallites; 〈211〉+〈10<span><math><mtext>1</mtext></math></span>0〉; 〈111〉 + 〈0001〉 and 〈100〉 + 〈10<span><math><mtext>1</mtext></math></span>1〉. The analysis of the texture correspondence between the preferred orientation axes of f.c.c. and h.c.p. crystallites in two-phase electrolytic coatings shows that the experimental findings are best explained if it is assumed that the texture correspondence is created during the initial stages of formation of the two phases.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 4","pages":"Pages 225-234"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90001-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84723119","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: 10
Etude en microscopie electronique de la morphologie des depôts electrolytiques de zinc 锌电解沉积形态的电子显微镜研究
Electrodeposition and Surface Treatment Pub Date : 1975-07-01 DOI: 10.1016/0300-9416(75)90003-6
M. Froment, G. Maurin
{"title":"Etude en microscopie electronique de la morphologie des depôts electrolytiques de zinc","authors":"M. Froment,&nbsp;G. Maurin","doi":"10.1016/0300-9416(75)90003-6","DOIUrl":"10.1016/0300-9416(75)90003-6","url":null,"abstract":"<div><p>Zinc electrodeposits prepared in alkaline or acidic media have three successive aspects for increasing currents: spongy, compact and dendritic. This sequence is in good agreement with some recent electrochemical kinetic studies which predict, in peculiar conditions, a current distribution on the surface. Using transmission and scanning electron microscopy, morphological and structural characteristics of the electrodeposits have been investigated. Spongy deposits are made of whiskers or microdendrites which grow from a compact substrate. Dendrites obtained at high current density are two-dimensional or three-dimensional. They are initiated by a nucleation process.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 4","pages":"Pages 245-260"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90003-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89162846","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: 17
Determination of spontaneous macrostress on moving substrates 运动基质上自发大应力的测定
Electrodeposition and Surface Treatment Pub Date : 1975-07-01 DOI: 10.1016/0300-9416(75)90005-X
M. Perakh, M.Ya. Popereka
{"title":"Determination of spontaneous macrostress on moving substrates","authors":"M. Perakh,&nbsp;M.Ya. Popereka","doi":"10.1016/0300-9416(75)90005-X","DOIUrl":"10.1016/0300-9416(75)90005-X","url":null,"abstract":"<div><p>An apparatus was constructed for measuring the spontaneous macro-stress in deposits growing on a moving substrate. It enabled the determination of macrostress both on flat and cylindrical substrates. Formulae for the calculation of stress starting from experimental substrate deformation measurements are derived.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 4","pages":"Pages 275-282"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90005-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83692006","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: 1
Thermally induced interface bond failure of nickel deposited on aluminium 铝表面镍的热致界面粘结破坏
Electrodeposition and Surface Treatment Pub Date : 1975-07-01 DOI: 10.1016/0300-9416(75)90006-1
L. Révay
{"title":"Thermally induced interface bond failure of nickel deposited on aluminium","authors":"L. Révay","doi":"10.1016/0300-9416(75)90006-1","DOIUrl":"10.1016/0300-9416(75)90006-1","url":null,"abstract":"<div><p>Annealing in the range 225–550 °C increases the bonding forces between Ni-Al couples. Compressive stresses arise in nickel deposits owing to the different thermal expansion. However, the increase of annealing time reduces the stress level until bond failure initiates. The apparent bonding energy is estimated as 0.7 eV.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 4","pages":"Pages 283-288"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90006-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82651959","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: 1
Some electrochemical aspects of the electroless nickel process with hypophosphite 次亚磷酸盐化学镀镍工艺的一些电化学方面
Electrodeposition and Surface Treatment Pub Date : 1975-07-01 DOI: 10.1016/0300-9416(75)90004-8
C.H. De Minjer
{"title":"Some electrochemical aspects of the electroless nickel process with hypophosphite","authors":"C.H. De Minjer","doi":"10.1016/0300-9416(75)90004-8","DOIUrl":"10.1016/0300-9416(75)90004-8","url":null,"abstract":"<div><p>Several theories are given in the literature to explain the mechanism of the electroless nickel process with hypophosphite as reducing agent. One theory considers electroless deposition as a purely electrochemical process, namely as a combination of several electrochemical reactions occuring at the same electrode. If this is true, a separation of these reactions at different electrodes should be possible. Results of experiments performed to check this assumption are given in this paper.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 4","pages":"Pages 261-273"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0300-9416(75)90004-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85985752","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: 18
Adsorption isotherms of halogen compounds of acetic acid and alkaloids on a copper(100) plane during electrodeposition of copper from acid copper sulphate baths 从酸性硫酸铜浴中电沉积铜时，乙酸和生物碱卤素化合物在铜(100)平面上的吸附等温线
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90041-3
B.S. Sheshadri, S.M. Mayanna
{"title":"Adsorption isotherms of halogen compounds of acetic acid and alkaloids on a copper(100) plane during electrodeposition of copper from acid copper sulphate baths","authors":"B.S. Sheshadri,&nbsp;S.M. Mayanna","doi":"10.1016/0300-9416(75)90041-3","DOIUrl":"10.1016/0300-9416(75)90041-3","url":null,"abstract":"<div><p>The effect of halogen compounds of acetic acid, strychnin and quinin sulphates on the deposition of copper on a copper(100) plane was studied. The exchange current densities (<em>i</em><sub>0</sub>) were evaluated using Tafel relations with and without addition agents. The concentration of addition agent had a significant influence on the <em>i</em><sub>0</sub> value. Surface coverages determined from the <em>i</em><sub>0</sub> values were consistent and fitted the Langmuir adsorption isotherm. The free energies of adsorption of chloro and bromo acetic acids are negative, indicating the strong adsorption and inhibition of the deposition process by these addition agents.</p></div>","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 189-194"},"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)90041-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82630266","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
Chemical polishing of electrodeposited nickel and nickel-alumina 电镀镍及镍铝的化学抛光
Electrodeposition and Surface Treatment Pub Date : 1975-05-01 DOI: 10.1016/0300-9416(75)90045-0
V.O. Nwoko
{"title":"Chemical polishing of electrodeposited nickel and nickel-alumina","authors":"V.O. Nwoko","doi":"10.1016/0300-9416(75)90045-0","DOIUrl":"10.1016/0300-9416(75)90045-0","url":null,"abstract":"","PeriodicalId":100399,"journal":{"name":"Electrodeposition and Surface Treatment","volume":"3 3","pages":"Pages 219-222"},"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)90045-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86034415","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: 1
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