Effects of tramp elements Cu, P, Pb, Sb and Sn on the kinetics of carburization of case hardening steels | Zendy

Ruck Andreas | Zendy; Monceau Daniel | Zendy; Grabke Hans Jürgen | Zendy

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Effects of tramp elements Cu, P, Pb, Sb and Sn on the kinetics of carburization of case hardening steels

Author(s) -

Ruck Andreas,

Monceau Daniel,

Grabke Hans Jürgen

Publication year - 1996

Publication title -

steel research

Language(s) - English

Resource type - Journals

eISSN - 1869-344X

pISSN - 0177-4832

DOI - 10.1002/srin.199605484

Subject(s) - case hardening , hardening (computing) , tramp , kinetics , chemistry , metallurgy , materials science , nuclear chemistry , layer (electronics) , physics , hardness , biochemistry , transgene , quantum mechanics , gene , organic chemistry

Investigations on the effect of tramp elements and impurities on the gas carburization of case hardening steels in CO‐H 2 ‐H 2 O gas mixtures at 930°C in a flow apparatus by thermogravimetric experiments were carried out. The influence of surface segregation on the kinetics of the surface reaction and the influence of decreasing carbon transfer coefficient ß on the carbon concentration profile were estimated. Numerical calculations were developed to determine the carbon transfer coefficient ß .

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