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Steel Research
Article . 1999 . Peer-reviewed
License: Wiley Online Library User Agreement
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Development of new deep drawing steels by doping with surface active elements

Authors: Gerhard H. Beyer; Hans Jürgen Grabke;

Development of new deep drawing steels by doping with surface active elements

Abstract

In this study, the effects of doping with the surface‐active elements Ge, Te, Se, As, Sb and Sn in atomic mass contents of 10 to 200 ppm on the texture and drawability of an IF‐steel (FeP06, DIN‐EN 10130) and an ELC‐steel (FeP05, DIN‐EN 10130) were investigated. Twenty‐six ingots were produced by melting and doping in a vacuum‐induction furnace, followed by forging, hot‐rolling and cold‐rolling. The cold‐rolling reduction was ɛ = 72 %. Recrystallization annealing was performed in a batch‐annealing simulation furnace. Subsequently, the orientation distribution function (ODF) and the α, γ, η‐fibre textures of both the cold‐rolled and recrystallized state were measured by means of an X‐ray diffraction goniometer and compared with the undoped reference material.The results indicate that the IF‐steel specimens doped with 100 ppm Te and Se show a significantly enhanced γ‐fibre {111}<110>‐{111}<112> texture compared to the reference specimen. Also the ELC‐steel specimens showed a higher γ‐fibre by doping with atomic mass contents of 10 to 100 ppm Se and Te. To investigate whether the drawability has been improved, Lankford‐value (rm and Δr) measurements by means of tensile tests were applied. The compositions with improved γ‐fibre also showed higher r‐values and therefore confirmed the results of the texture measurements. Se doping was found to be especially beneficial in texture and drawability for both investigated materials. The growth of selenides and tellurides at the surface of Ti4C2S2‐ and Ti2S‐ precipitates was observed by means of scanning transmission electron microscope linescans equipped with field emission gun (STEM‐FEG). Doping with Sb and Sn rendered no notable improvement of the materials, and Ge and As proved to affect the mechanical properties unfavourably.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
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