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US 11,608,556 B2Granted
Alloy-coated steel sheet and manufacturing method thereof
AssigneesPosco Holdings Inc., Research Institute of Industrial Science & Technology
InventorsJi Hoon Yang, Jae In Jeong, Yong Hwa Jung, Tae Yeob Kim
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Abstract
Provided is an alloy-coated steel sheet and a manufacturing method thereof. The alloy-coated steel sheet includes: a steel sheet; and an Al—Mg—Si alloy layer disposed on the steel sheet, wherein the Al—Mg—Si alloy layer has a form in which Mg—Si alloy grains are included in an alloy layer consisting of an Al—Mg alloy phase.
Claims9
An alloy-coated steel sheet comprising:
- a steel sheet;
- and
- an Al—Mg—Si alloy layer disposed on the steel sheet,
- wherein the Al—Mg—Si alloy layer includes:
- an Al—Mg alloy phase;
- and Mg—Si alloy grains surrounded by the Al—Mg alloy phase, and
- wherein the Al—Mg alloy phase comprises:
- Al3Mg2;
- Al12Mg17;
- Al;
- and Mg solid-solutioned in the Al.
8 more elements
Dependencies are inferred from the claim text.