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Carbon Control in PM Sintering: Industrial Applications and Experience so Far

Eduard Hryha (Institutionen för material- och tillverkningsteknik, Yt- och mikrostrukturteknik) ; Lars Nyborg (Institutionen för material- och tillverkningsteknik, Yt- och mikrostrukturteknik) ; Akin Malas ; Sören Wiberg ; Sigurd Berg
Proc. of EURO PM2012 Congress & Exhibition, 16-19 September 2012, Basel, Switzerland Vol. 1 (2012), p. 265-270.
[Konferensbidrag, refereegranskat]

Challenges in controlling carbon potential during sintering of steel powder have been discussed in many experimental and theoretical studies. The main issues lie within the complex thermodynamics and kinetics of processing atmosphere chemistry in continuous sintering furnaces. Although many models have tried to address the problem, many of these have rarely come to reality and become an industrial practice. The purpose of this article is to summarize these discussions and investigate the interaction of the atmosphere constituents with the sintered compact within a sintering furnace. Considering an industrial practice perspective, the paper ensures the PM Industry with a fresh new look into the understanding of the furnace operations and provides recommendations to improve the control of the furnace conditions. As an example, existing furnace installation utilizing Linde SINTERFLEX technology allows monitor and/or control the furnace atmosphere. Article describes reduction of oxides and carbon potentials to enable optimization of the production parameters.

Nyckelord: PM steels, sintering, sintering atmospheres, carbon potential

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Denna post skapades 2012-11-02. Senast ändrad 2012-11-06.
CPL Pubid: 165409


Institutioner (Chalmers)

Institutionen för material- och tillverkningsteknik, Yt- och mikrostrukturteknik (2005-2017)


Hållbar utveckling
Metallurgisk processteknik
Övrig teknisk materialvetenskap

Chalmers infrastruktur