NDLI: Hardness, lattice parameter variation, hydrogen content and its location in electro-deposited metals with particular reference to manganese

Content Provider	CSIR - National Metallurgical Laboratory (NML)
Author	Dhananjayan, N. Banerjee, T.
Abstract	The hardness of electrodeposited metals, hydrogen in metals, lattice parameter variation with hydrogen content and the location of hydrogen in electrodeposited metals have been discussed with particular reference to manganese. Unlike other electrodeposited metals, electro-deposited alpha manganese has a hardness value lower than that of its annealed state. The highest broadening observed in X-ray powder patterns of transformed gamma has been attributed to the volume change associated with the transformation of gamma to alpha manganese and the resultant stress. it is discussed that all the hydrogen in electro-deposited alpha manganese cannot be in interstitial position and that a part of the hydrogen goes inside the lattice and the rest are adsorbed upon the crystallite surfaces. The low hardness value of elect/ 6-deposited alpha manganese compared to its annealed state and its low density suggest the possibility that a part of the discharged hydrogen ions assuming Positions inside lattice or forming complex during the formation of alpha manganese.
Starting Page	116
Ending Page	132
File Format	PDF
Language	English
Publisher	CSIR-National Metallurgical Laboratory
Publisher Date	1969-02-01
Publisher Place	Jamshedpur
Access Restriction	Open
Subject Keyword	Gamma Alpha Manganese Electro Deposited Metals Metal Extraction & Forming Metallurgy Hardness Lattice
Content Type	Text
Resource Type	Article

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Hardness, lattice parameter variation, hydrogen content and its location in electro-deposited metals with particular reference to manganese