1963
DOI: 10.1149/1.2425894
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A Technique for the Evaluation of Hydrogen Embrittlement Characteristics of Electroplating Baths

Abstract: A simple electrochemical technique is described for measuring the quantity of hydrogen permeating a thin membrane of iron or steel during cathodic charging or electroplating. For cadmium electroplating, the quantity is small when this metal is deposited from a fluoborate or a DL‐α‐amino‐n‐butyrate bath, but comparatively high when a cyanide bath is used. The mechanism which governs hydrogen permeation in alkaline solutions containing capillary active anionic species is discussed, and the remarkable similarity … Show more

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Cited by 178 publications
(48 citation statements)
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“…The palladium layer on the detection side significantly reduces this unmeasured fraction of hydrogen and ensures high detection efficiency and minimized noise levels [27][28][29]. Another advantage of having a thin layer of palladium is that it prevents anodic dissolution of the metal membrane, otherwise an oxide layer would form on the metal surface which acts as a diffusion barrier for hydrogen [27,28,30].…”
Section: Sample Preparation and Materialsmentioning
confidence: 99%
“…The palladium layer on the detection side significantly reduces this unmeasured fraction of hydrogen and ensures high detection efficiency and minimized noise levels [27][28][29]. Another advantage of having a thin layer of palladium is that it prevents anodic dissolution of the metal membrane, otherwise an oxide layer would form on the metal surface which acts as a diffusion barrier for hydrogen [27,28,30].…”
Section: Sample Preparation and Materialsmentioning
confidence: 99%
“…Com o objetivo de determinar os coeficientes de difusão do hidrogênio em metais, DEVANATHAN et al [6] desenvolveram uma técnica eletroquímica na década de sessenta que era capaz de medir a intensidade da permeação de hidrogênio. Esta técnica ainda continua sendo referência básica para os sensores eletroquímicos de hidrogênio.…”
Section: Histórico Da Tecnologia De Detecção De Hidrogêniounclassified
“…Sensores eletroquímicos de paládio, níquel [7], Barnacle Cells [8] e outros foram desenvolvidos para a aplicação em campo com a característica comum de utilizar o princípio de funcionamento da técnica de DEVANATHAN et al [6]. Todos estes tem também em comum o uso de eletrólitos líquidos, sujeitos à degradação, o que prejudica sua durabilidade e aplicação em campo [5].…”
Section: Histórico Da Tecnologia De Detecção De Hidrogêniounclassified
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