,October 2012,Financials Automotive VS,Novelis Automive Europe,Michael Hhnke,Technical Seminar,SGM - Novelis,Introduction概述,1974: birth of the Volkswagen Golf第一辆大众高尔夫诞生,Car weight车身重量 History of evolution演变过程,What was the weight of this car ?,Evolution of weight in compact-cars class in 40 years 同级车的车身重量演变过程 40年 and 25 millions Golf later 25,000,000量高尔夫车,What was the weight of this car ?,2008: VW Golf VI 1.4,Weight: 1215 kg,20012: VW Golf VII,Weight: 1130 kg,Car weight车身重量 History of evolution演变过程,Vehicle emissions Influence of weight on CO2 emissions,Regulation for CO2 emissions Influence of weight on CO2 emissions,Audi AG, Dr Lutz-Eike Elend (N/EL-3), 22nd International Aluminium Conference, The Audi ASF-Technology, 11.Sept 2007,The value of aluminium,Weight reduction,CO2 emission reduction,Performance improvement,Full recyclability,Crash-Management,Enhanced Fuel Economy,Weight saving through the use of Aluminium Aluminium and steel in strength comparison,Comparison of Al & Steel Basic properties,Comparison of basic material properties Density: rAl = 1/3 rsteel Reduced mass & lighter weight vehicles Elastic modulus: EAl = 1/3 Esteel Greater elastic deflection compared to steel Equivalent performance at an approximate up gauge of 70% An up-gauge of 80% will give a weight saving of 40% Aluminium has generally a reduced formability compared to steel Elongation Flanging FLD,Performance aluminium Panel/mild steel panel,Thickness ratio talu/tste,Aluminium sheets penetration in automotive History and path forward,Brighter ideas with aluminum,Thank you!,