ELECTROCHEMICAL DETECTION OF THE SECONDARILY AUSTENITIZED AREAS ON THE GROUND SURFACE OF A HIGH-SPEED STEEL

Authors
SHAPOVALOV ET ZEKTSER GO BARANOVA LI
Citation
Et. Shapovalov et al., ELECTROCHEMICAL DETECTION OF THE SECONDARILY AUSTENITIZED AREAS ON THE GROUND SURFACE OF A HIGH-SPEED STEEL, Protection of metals, 31(5), 1995, pp. 425-430
Citations number
8
Categorie Soggetti
Metallurgy & Metallurigical Engineering
Journal title
Protection of metals → ACNP
ISSN journal
00331732
Volume
31
Issue
5
Year of publication
1995
Pages
425 - 430
Database
ISI
SICI code
0033-1732(1995)31:5<425:EDOTSA>2.0.ZU;2-O
Abstract
A method for detecting the secondarily austenitized areas on the groun d surface of high-speed steel P6M5 has been developed. The method cons ists of potentiostatic etching by 20% H3PO4 (E(etch) = 0.18 V, NSCE) a nd recording the curves ''current density vs. time''. This enables one to detect the areas visually and to determine their thickness.