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Electrochemical corrosion behavior of alloys formed by ion implantation.

Authors
Covino-BS Jr.; Sartwell-BD; Conner-GR; Needham-PB Jr.
Source
Avondale, MD: U.S. Department of the Interior, Bureau of Mines, RI 8431, 1980 Jan; :1-20
Link
NIOSHTIC No.
10006858
Abstract
The Bureau of Mines, U.S. Department of the Interior, is conducting research to devise substitute corrosion-resistant materials by using ion implantation to form alloyed regions near the surfaces of metals. These alloys were prepared by implanting 25-kev cr+ and/or ni+ ions into iron. Their resistance to corrosive attack was evaluated by determining their anodic polarization behavior under potentiodynamic conditions in a solution containing sodium chloride, boric acid, and sodium borate. These electrochemical studies have shown that the general corrosion resistance of ion-implanted alloys was comparable to nominally equivalent bulk alloys. The pitting- corrosion resistance of the ion-implanted alloys was superior to that of iron, although not as good as that of most of the bulk alloys tested.
Keywords
Chromium containing alloys; Corrosion resistance; Corrosion resistant alloys; Electrochemical corrosion; Ion implantation; Iron alloys; Nickel containing alloys
Publication Date
19800101
Document Type
IH; Report of Investigations
Fiscal Year
1980
NTIS Accession No.
PB81-135006
NTIS Price
A02
Identifying No.
RI-8431
NIOSH Division
AVRC
Source Name
Avondale, MD: U.S. Department of the Interior, Bureau of Mines, RI 8431
State
MD
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