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1、1 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Material Trends For North American Light Vehicles 2110亿磅的消耗量，6630万辆的汽车产出（2008年） 2008年轻型车的全球材料组成 2 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Material Trends For North American Light Vehicles 基于材料的轻型车整备质量分割 3 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Material Trends For North American Light Vehicles 北美最新轻型车燃
2、油经济性 4 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Material Trends For North American Light Vehicles 北美轻型车整备质量 5 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Material Trends For North American Light Vehicles 乘用车 V.S. 轻卡 乘用车 轻卡 6 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Material Trends For North American Light Vehicles 承载式 V.S. 非承载式 7 汽车轻量化材料及成形技术汽车轻量化材料
3、及成形技术 Material Trends For North American Light Vehicles 承载式 V.S. 非承载式 8 Gasoline/Petrol 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Types of vehicles 9 Diesel Vehicles 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Types of vehicles 10 Elecric 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Types of vehicles 11 Hybrid (Gas/Petrol Engine +
4、Electric Motor) 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Types of vehicles 12 Fuel Cell Vehicles (Future) 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Types of vehicles 13 Unitized Body Architecture Body on Frame UnitizedAluminum BodyArchitecture Hybrid Composite Vehicles 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Common Vehicle
5、 Architectures 14 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design-Common Steel Vehicle Architectures Body on Frame Architecture Unitzed/MonocoqueArchitecture 15 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Common Vehicle Architectures Space frame Architectures 16 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Common Vehicle Architectures Sp
6、ace frame Architectures 17 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 High Volume Automotive Assembly 18 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design- Factors to Drive Fuel Efficiency Weight of the Vehicle 车重车重 Body Structure + All other components Aerodynamic Losses气动损失气动损失 Rolling Resistance滚动阻力滚动阻力 Power Train Technology动力传动技术
7、动力传动技术 Load in the Vehicle (Passengers + Other weights) 19 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design functions of The Structure - Body Structure Stiffness (static) 刚度刚度 - Body Structure Vibration (Dynamic) 振动噪声振动噪声 - Body Structure Bending 弯曲性能弯曲性能 - Body Structure Torsion 扭转性能扭转性能 -Crashworthiness 耐撞性耐撞性 20
8、汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design functions of The Structure Stiffness : The deformation are small and with in elastic region -It is the ratio applied load per unit of derformation 21 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design functions of The Structure Vibration : The body structure consists of various componen
9、ts and they have different frequencies. The structural vibrations are important factor for ride comfort for occupants in the vehicle. 22 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design functions of The Structure Body Structure Bending : During Driving, the vehicle will subject to various road loads. The objective i
10、s to verify the structure will not fail during dynamic conditions 23 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design functions of The Structure Body Structure Torsion: During road loads, the body strcutre will subject to torsional twist ( unequal loads at all four loads) and the metric is Torsional Stiffness. In th
11、is test, design loads will be applied at four points (at the suspension points) and to verify the body structure will recover with our permanent deformation www.mira.co.uk 24 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design functions of The Structure Torsional Stiffness Target Evaluation Using FEM, stiffness of the
12、vehicle Structure can be evaluated 25 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Design Functions of The Structure Crashworthiness : Vehicle should take the energy or load during the collision. The more the structure take the energy and the more safer for the occupants Types of Crash Tests -Frontal Collision -Side Im
13、pact -Rear Impact -Roof Crush 26 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials Materials usage in Vehicle Manufacturing Steel钢钢 Aluminum铝铝 Magnesium镁镁 Plastics塑料塑料 Composite复合材料复合材料 Glass玻璃玻璃 Polymers (rubber) 橡胶橡胶 Silicon Chips 硅晶片硅晶片 27 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials Materials for Body Structures High St
14、rength Steels高强钢高强钢 Advanced High Strength Steels先进高强钢先进高强钢 Aluminum铝铝 Magnesium镁镁 Titanium钛钛 Composite Materails复合材料复合材料 28 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials Body In White Structure 29 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials What affects the Fuel Efficiency? Group discussion What kind of role materials
15、 play in body structures Group Discussion 30 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials Material composition 31 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials Body Structural materials are load carrying materials Mechanical properties are important Forming成型成型 Joining联接联接 Functional 性能性能(Stifnees, Crash, etc) Durabilit
16、y耐久性耐久性 Cost成本成本 32 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials Mechanical Properties Yield Strength 屈服强度屈服强度 Ultimate Tensile Strength 极限抗拉强度极限抗拉强度 Youngs Modulus杨氏模量杨氏模量 Stress and Strain 应力应变应力应变 33 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Materials Stress- Strain Curve 34 汽车轻量化材料及成形技术汽车轻量化材料及成形技术 Advnaced High Strength Steels 35 汽车轻量化材料及成形技术汽车轻量化材料及成形技术
