板材成型性能及质选读.ppt

5.1.2含磷高强度深冲钢板Phosphorus high strength deep drawing Sheet 缺点：冷加工脆性。 Disadvantage: brittleness during cold working 为什么？ Why ? 解决方法。 solution 5.1.3含铜高强度深冲钢板Cupper high strength deep drawing Sheet 特点： characteristic 强度390Mpa到590Mpa ,高r值 Strength from 390 to 590 Mpa，high r value 5.1.3含铜高强度深冲钢板Cupper high strength deep drawing Sheet 5.1.3含铜高强度深冲钢板Cupper high strength deep drawing Sheet 实验钢 σs(MPa) σb(MPa) δ% R值 LDR 加铜钢 (590MPa) 507 610 24.4 1.90 2.28 传统钢(590MPa) 429 610 23.9 1.10 2.05 传统钢(370MPa) 236 403 37.6 1.54 2.25 5.1.4 超低碳烘烤硬化钢ultra-low carbon bake hardenable steel 特点： Characteristic 为什么？ Why 要点： Key point 5.1.4 超低碳烘烤硬化钢ultra-low carbon bake hardenable steel 5.1.4 超低碳烘烤硬化钢ultra-low carbon bake hardenable steel 5.1.4 超低碳烘烤硬化钢ultra-low carbon bake hardenable steel 5.2 涂层钢板coated steel sheet 5.2.1涂层钢板的应用和发展 Application development of coated steel sheet 防腐 corrosion prevention 5.2.1涂层钢板的应用和发展Application development of coated steel sheet  热镀锌； hot-dip galvanizing 电镀锌； hot-dip galvanizing 有机涂层。 organic coatings 5.2.1涂层钢板的应用和发展Application development of coated steel sheet  5.2.1涂层钢板的应用和发展Application development of coated steel sheet 镀锌技术; galvanizing technology; 基板生产技术 matrix sheet production technology 新产品生产技术 developed new products 5.2.2.1 涂层钢板质量要求quality requirements for coated steel sheet (1)成形性; formability (2)耐蚀性; corrosion resistant (3)焊接性; weldability (4)表面特性。 surface characteristic surface characteristic 5.2.2.2 涂层钢板的分类classification for coated steel sheet 5.2.2 涂层钢板的分类classification for coated steel sheet 5.2.3涂层对钢板的影响 coating effect for formability 目的： Aim R 值: R value 5.2.3涂层对钢板的影响 coating effect for formability 5.2.3涂层对钢板的影响 coating effect for formability Δr值 Δr—value 表面状态 condition of surface 为什么？ Why? 5.3 减振钢板vibration damping steel sheet 5.3.1减振钢板结构及分类 Structure and classify of vibration damping steel sheet 目的 Aim 结构 Structure 4.1.2尺寸精度dimensional accuracy 4.1.2尺寸精度dimens