Study of front bumper process on the basis of hot stamping

• 作 者: Wang Xiaona Xiong Fei Jin Jian
• 机 构: GeelyAutomobileResearchInstitute
• 出 处: 中国工程科学：英文版
• 发表日期: 2014年5期
• 关键词: 工艺用 前保险杠 基础 本构关系模型 超高强度钢 烫印 实验数据 工艺参数 ultra-high strength steel hot stamping con
• 基金项目: National Science ＆ Technology Pillar Program during the Twelfth Five-year Plan Period （No. 2011BAG03B02, No. 2011BAG03B06）

The fitting method is used for obtaining the constitutive relation of ultra-high strength steel in this paper.At the same time,the forming limit of material is researched under different deformation conditions.Through experiments,the paper obtains stress-