METHOD FOR PRODUCING A FLAT STEEL PRODUCT HAVING HIGH REFLECTIVITY, FLAT STEEL PRODUCT, AND MIRROR ELEMENT FOR SOLAR CONCENTRATORS

The method involves providing a steel flat product with an upper surface of an arithmetical middle rough value smaller than a micro meter. The resulted steel product is annealed under an inert gas atmosphere with hydrogen content of more than 50 volume percent. A dry performance-forming re-rolling o...

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Main Authors KLAUS MANFRED LANGE, JANINE SCHAUER-PAß, FRANK WÖRSTER, HANS-JOACHIM KRAUTSCHICK, BERND SCHUHMACHER, UTZ KARSTEN, ROMAN GLASS, DIRK WIEMER, NINA KOLBE, STEFAN PETER PULS, JÖRG KAZMIERSKI
Format Patent
LanguageEnglish
Published 27.11.2019
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Summary:The method involves providing a steel flat product with an upper surface of an arithmetical middle rough value smaller than a micro meter. The resulted steel product is annealed under an inert gas atmosphere with hydrogen content of more than 50 volume percent. A dry performance-forming re-rolling of the annealed steel flat product is dry performance-forming re-rolled with post-rolling degree of 0.5 to 2 percentages. A coating of the flat steel product is selectively determined at a terminal in re-rolled condition with a reflective coating. Independent claims are also included for the following: (1) a steel flat product (2) a mirror element for a solar concentrator.
Bibliography:Application Number: ZA20150002846