{"title":"Macrostress in electrodeposited coatings determined by x-ray diffraction technique","authors":"L. Révay","doi":"10.1016/0300-9416(75)90049-8","DOIUrl":null,"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":0.0000,"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":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electrodeposition and Surface Treatment","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0300941675900498","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
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 sin2 ψ obeys the linear relationship expected from the linear theory of elasticity.
The present study was intended to explore the possible application of X-ray macrostress measurement to surface coatings.
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.
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