Improvement of fuel economy also necessitates the use of lightweight materials in BiW, as it constitutes a significant share of car’s weight in addition, given environmental concerns in recent times, it is also expected to be recyclable. It should provide a good surface finish that is smooth, and should also be corrosion resistant.
Also, it should be easy to weld and form, as well as be highly paintable and easy to design.
It should also be able to protect occupants from noise, vibration, and/or harshness (NVH) by absorbing or reducing these conditions. It must also provide good quality safety both to the car body and to its occupants against crashes of all kinds-front, rear, side, or even rollover, meeting the Federal Motor Vehicle Safety Standard No. It must have high tensile strength as well as high stiffness-bending, torsional, static, and dynamic. BiW is expected to possess a number of significant properties.
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