Výsledky vyhledávání

Mould investigations on a thick slab caster

Autor: Z. Zhu, H. Lachmund, K. H. Tacke, M. Hecht

Publikováno v: Revue de Métallurgie. 102:738-743

As regards conditions in the mould, Continuous Casting of 400 mm thick slabs can differ from conventional slab casting. Specific features of thick slab casting are reported, concerning heat fluxes, both integral and local. Local heat flux has been de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::500ffbddbf135c2c2ed0511acc30b124
https://doi.org/10.1051/metal:2005105

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High purity steels: a challenge to improved steelmaking processes

Autor: H. Lachmund, Y. Xie

Publikováno v: Ironmaking & Steelmaking. 30:125-129

Rising demands on material properties of many steel grades lead to the need for a further reduction of undesirable impurities, especially non-metallic inclusions. Suitable metallurgical processes have to be used to meet this requirement. At the steel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0c46fc0f75988288e76d61c6f681d65
https://doi.org/10.1179/030192303225001757

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Heavy plate production: demand on hydrogen control

Autor: H. Lachmund, H.A. Jungblut, V. Schwinn

Publikováno v: Ironmaking & Steelmaking. 27:381-386

Hydrogen in steels causes various types of cracking, which occur when the amount of hydrogen in a steel reaches a critical level. This phenomenon results from excessive internal hydrogen pressure, and is associated with the formation of cracks at mat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::601103566ecea023c0d5b982fc395eb0
https://doi.org/10.1179/030192300677697

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Melting and mixing processes in a 185-t operating ladle with one to three porous plugs

Autor: T. Scherrmann, N. Bannenberg, H. Lachmund

Publikováno v: Revue de Métallurgie. 95:755-764

The knowledge of the melting behaviour of the alloy additions and of the mixing processes occurring after their addition to the melt is of definitive importance for optimum repeatable process control and for adherence to ultra-tight composition toler

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af2b901a4b5ec25db632ec5be3847c7b
https://doi.org/10.1051/metal/199895060755

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Akademický článek

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Nitrogen alloying of liquid steel by gas injection in the ladle and/or converter

Autor: H. Lachmund, B. Prothmann, H. Gaye, Didier Huin, H. Saint Raymond

Publikováno v: Revue de Métallurgie. 95:487-500

Trials of nitrogen alloying of liquid steel by bottom nitrogen-gas injection during the post-blow stir in the converter, and in the steel ladle at atmospheric pressure and under vacuum were performed in the steel plant of the AG der Dillinger Huttenw

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afc2751390baec8394e0c7d998e0743e
https://doi.org/10.1051/metal/199895040487

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Metallurgical procedures to achieve very low phosphorus contents

Autor: N. Bennenberg, H. Lachmund

Publikováno v: Revue de Métallurgie. 91:1043-1054

The metallurgical aspects of the three steps of dephosphorization under oxidizing conditions that is to say dephosphorization of hot metal, in the BOF, and in secondary metallurgy are explained in detail. Plant results for the different treatment ste

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fca0e164bbcbd266d1cca9579bee679b
https://doi.org/10.1051/metal/199491071043

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