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Research Progresses on Technologies and Theory of Blanks with Variable Thicknesses
Xiaogong Wang1, Sai Wang2, Rihuan Lu3
1College of Metallurgy and Energy, North China University of Science and Technology, Tangshan 063210, China.
Materials (Basel, Switzerland)
|September 28, 2024
Summary
Blanks with variable thicknesses (BVTs) are crucial for automotive manufacturing under dual carbon policies. This review covers four rolling methods for BVTs and discusses metal flow theories for varying thicknesses.
Area of Science:
- Materials Science
- Manufacturing Engineering
- Automotive Engineering
Background:
- Growing demand for lightweight and high-strength automotive components.
- The dual carbon policy and energy conservation initiatives drive innovation in manufacturing.
- Blanks with variable thicknesses (BVTs) offer superior strength, formability, and load-bearing distribution.
Purpose of the Study:
- To review and summarize rolling technologies for manufacturing BVTs.
- To analyze the characteristics of different BVT manufacturing methods.
- To present the latest research on metal flow and rolling theories for BVTs.
Main Methods:
- Literature review of BVT manufacturing techniques.
- Analysis of four distinct rolling methods for BVTs.
- Examination of metal flow and rolling theories in longitudinal and transverse directions.
Main Results:
- Four rolling-based manufacturing methods for BVTs are detailed.
- Characteristics of each method are compared.
- Current research on metal flow and rolling theories for BVTs is summarized.
Conclusions:
- Rolling technology is key for efficient BVT production.
- Understanding metal flow is critical for optimizing BVT manufacturing.
- Further research can enhance BVT performance in automotive applications.
Keywords:
blanks with variable thicknesses (BVTs)dual carbon policymanufacturing technologiesrolling theory
