Method for producing a flat steel product with high reflection capacity, 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 KAZMIERSKI, JÖRG, PULS, STEFAN PETER DR, WÖRSTER, FRANK, KARSTEN, UTZ, KRAUTSCHICK, HANS- JOACHIM.PHYS. NAT, SCHUHMACHER, BERND DR, KOLBE, NINA DR, GLASS, ROMAN DR, WIEMER, DIRK DR, SCHAUER-PASS, JANINE DR
Format Patent
LanguageEnglish
French
German
Published 24.08.2016
Subjects
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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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: EP20120199475