ULSABUltra Light Steel Auto Body
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Without applying even more intensively ground-breaking measures such as high-strength steels and laser-welded tailored blanks to meet the safety challenges, the motor industry stands to lose half the weight savings already demonstrated through the original ULSAB project simply because of increasing kerb weights.
Clark's analysis compared Ford's aluminum-intensive Sable AIV with its steel-bodied `92 Taurus cousin and with the ULSAB midsized sedan concept.
Clark also found that the ULSAB vehicle, with its steel content optimized for low mass and strength, would generate a lifetime total of [CO.sub.2] that's 678 pounds less than the aluminum-intensive Sable.
1 Comparison of car's body parameters produced form different steel sheets Weight [kg] Torsional stiffness [[degrees]/Nm] Car's body based on typical 300 > 15 000 high strength steels ULSAB 210 > 19 000 Car's body skeleton based 160 > 25 000 on austenitic steel sheets Tab.
In general, the attitude steel producers display in the automotive market was best summed by Ward's Auto World in a September 1994 story headlined "Steel Hangs Tough." The magazine noted that "Steelmakers indeed have created a stunning array of engineering programs and countermeasures to answer competition from lighter-weight - and more expensive - materials." Only a year later, an international consortium of 33 steel producers boasted that its UltraLight Steel Auto Body (ULSAB) was moving farther from the drawing board and closer to the highway.
As designed in Phase I of a multi-phase project, the ULSAB cuts the BIW weight by 25% while increasing torsional rigidity by 60%.
Porsche Engineering Services Inc, Troy, MI, a North American unit of the German automaker Porsche AG, shepherded the design work of ULSAB. After benchmarking 32 current midsize four-door sedans to create an average base model, Porsche set structural performance targets and design concepts.
car arose from a weight reduction exercise Lotus used to create the Ultra-Light Steel Auto Suspension for the steel industry's ULSAB program.
So the Automotive Applications Committee of American Iron and Steel Institute (AISI) initiated the UltraLight Steel Auto Body (ULSAB) program, which was joined by a number of steel companies from other countries.