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US 11,913,117 B2Granted
Hot stamping component and method of manufacturing the same
AssigneeHyundai Steel Company
InventorsHye Jin Kim, Kyu Yeon Hwang, Hyun Yeong Jung, Jin Ho Lee, Seung Pill Jung
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Abstract
Disclosed is a hot-stamping component, which includes a base steel plate; and a plated layer on the base steel plate and including a first layer, a second layer, and an intermetallic compound portion having an island shape in the second layer, wherein the first layer and the second layer are sequentially stacked, and an area fraction of the intermetallic compound portion with respect to the second layer is an amount of 20% to 60%.
Claims6
A hot-stamping component comprising:
- a base steel plate;
- and
- a plated layer on the base steel plate, the plated layer comprising a first layer, a second layer, and an intermetallic compound portion having an island shape in the second layer;
- wherein the first layer and the second layer are sequentially stacked, and
- wherein an area fraction of the intermetallic compound portion with respect to the second layer is 20% to 60%.
- wherein the first layer includes an α-Fe phase or an Fe3Al2 phase and the second layer includes at least one of an FeAl3 phase and an Fe2Al5 phase, and
- wherein an average grain size of the second layer is 3 μm to 15 μm.
4 more elements
Dependencies are inferred from the claim text.