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MICROSTRUCTURAL EFFECTS IN THE STEEL HWS 1.2379 APPLYING THE PROCESSOF PLASMA TRANSFERRED ARC PTA.

Published online by Cambridge University Press:  28 February 2012

A. Aguirre ,
F. García ,
J. Acevedo  and
J. Andrade
A. Aguirre*
Affiliation:
Corporación Mexicana de Investigación en Materiales (COMIMSA), Calle ciencia y tecnología No. 790, Col. Saltillo 400, cp. 25290, Coahuila, México Tel: 4 11 32 00.
F. García
Affiliation:
Corporación Mexicana de Investigación en Materiales (COMIMSA), Calle ciencia y tecnología No. 790, Col. Saltillo 400, cp. 25290, Coahuila, México Tel: 4 11 32 00.
J. Acevedo
Affiliation:
Corporación Mexicana de Investigación en Materiales (COMIMSA), Calle ciencia y tecnología No. 790, Col. Saltillo 400, cp. 25290, Coahuila, México Tel: 4 11 32 00.
J. Andrade
Affiliation:
Asociación de Investigación Metalúrgica del Noreste (AIMEN). Relva, 27 A Torneiros - 36410 Porriño - Pontevedra - España. Tel: +34 986 344 000.
*
*aaguirre@comimsa.com
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Abstract

At present, the industrial sector requires the recovery of tool steel componentssubjected to severe wear which are built with steel HWS these have the sameproperties in all tribology directions and have great success in buildingtooling. In this paper, we recover the previously HWS steel machining with afillet of 2mm caused by the metallurgical recovery of the component, applyingthe process of plasma transferred arc PTA which has very good fats dilutionproperties in comparison to other conventional processes currently applied forthe recovery of tooling, such as GTAW, SMAW, SAW. The experiment was conductedwith input D2 and M2 with one and two welding seams, making the assessmentmetallography, hardness and wear tests pin-on-disk. Finding a decrease in thehardness of the interface line, according to the evaluation of wear pin-on-disk,had a higher wear rate of the filler metal in the M2 D2.

Keywords

Weldingcoatingpowder

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1380 , 2012 , imrc2011-1381-S22-013
Copyright
Copyright © Materials Research Society 2012

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References

BIBLIOGRAPHY

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