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Technological Innovations in Body in White Manufacturing of the ...

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BMW<br />

Group<br />

w w w . a u t o s t e e l . o r g<br />

Conclusion<br />

• Mixed Material light weight Concept for <strong>the</strong> <strong>Body</strong> <strong>in</strong> <strong>White</strong><br />

– 8% Ultra High Strength Steel Grade<br />

– 46% Advanced High Strength Steel Grade<br />

• Significant Weight Sav<strong>in</strong>gs by UHSS<br />

– Hot Formed B- Pillar Re<strong>in</strong>forcement with tailor rolled Blank<br />

– CP800 for Longitud<strong>in</strong>al Rear Member<br />

• Capacitance Discharge Weld<strong>in</strong>g for Bush<strong>in</strong>gs<br />

– High local stiffness<br />

– Extreme short Process Time

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