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Controlling Liquid Metal Embrittlement In Galvanized Press-Hardened Components
Controlling Liquid Metal Embrittlement In Galvanized Press-Hardened Components
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机译:电镀锌强化零件中液态金属脆化的控制
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摘要
Methods for press hardening galvanized, pre-treated, optionally non-annealed steel alloys are provided. The press-hardened steel alloy may have an ultimate tensile strength (UTS) of at least about 1,000 MPa and is substantially free of liquid metal embrittlement (LME). The press-hardened steel alloy may be further quenched to below room temperature. The press-hardened steel may have a multi-phase microstructure of ferrite at greater than or equal to about 1% to less than or equal to about 60% by volume and a combined volume percentage of martensite, retained austenite, and other transformation products at greater than or equal to about 40% to less than or equal to about 99%.
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