Invention Grant
- Patent Title: Multi-step direct welding of an aluminum-based workpiece to a steel workpiece
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Application No.: US15976163Application Date: 2018-05-10
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Publication No.: US10981243B2Publication Date: 2021-04-20
- Inventor: David R. Sigler , Blair E. Carlson , Yelena Myasnikova , Michael J. Karagoulis
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee Address: US MI Detroit
- Main IPC: B23K11/20
- IPC: B23K11/20 ; B23K11/11 ; B23K103/20
Abstract:
A workpiece stack-up that includes at least a steel workpiece and an aluminum-based workpiece can be resistance spot welded by employing a multi-stage spot welding method in which the passage of electrical current is controlled to perform multiple stages of weld joint development.
Public/Granted literature
- US20180257166A1 MULTI-STEP DIRECT WELDING OF AN ALUMINUM-BASED WORKPIECE TO A STEEL WORKPIECE Public/Granted day:2018-09-13
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