热冲压成形钢的强度与塑性及断裂应变
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Strength, Ductility and Fracture Strain ofPress-Hardening Steels
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图12. 预涂覆25 μm厚的Al-Si镀层热冲压钢的SEM像 |
Fig.12. SEM images of Al-Si coated press-hardening steels with pre-coating thickness of about 25 μm(a) after hot dipping (b) after hot stamping |
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