Method for establishing and using forming limit diagram of laser tailor-welded blank
The invention discloses a method for establishing a forming limit diagram of a laser tailor-welded blank. The method comprises the following steps: (A) establishing an XY coordinate system of which the X represents a direction perpendicular to the direction of a welding seam and the Y represents the...
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Format: | Patent |
Sprache: | chi ; eng |
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