A key driver for reduced weight in vehicles will be mandated fuel economy standards in EU & NA but don't underestimate anti-corrosion as a major factor too
The beneficial characteristics of titanium (lightweight, strong, corrosive resistant) would make it an appealing choice for many automotive application, yet because of the current processing and material costs, it hasn’t found the widespread adoption in this industry that it has in aerospace. However, as these costs continue to decrease, many manufactures are discovering that the long-term performance and life-cycle benefits are worth making the change.
Using Titanium in Cars
Using titanium components in a vehicle improves corrosion resistance, saves on weight and space, which in turn leads to more fuel savings. Engines can potentially last much longer, too, as they don’t have to work as hard under such a heavy load. Currently, uses are being developed in both the racing market and consumer industry that includes engines parts like connecting rods, valves and valve retainers, springs, and wrist pins. It can also be found in camshafts and rocker arms – anything that requires the durability and resistance to heat and corrosion that titanium offers.
What is the Potential?
A lot of progress is being made toward using more titanium in the automotive industry, and manufacturers are finding new, cost effective ways to take advantage of titanium components. Right now, the most common applications are cold wound springs and exhaust systems, but there is potential for it to be used in so much more. An all-titanium exhaust system, for example, could greatly reduce the weight of the vehicle and increase engine lifespan. Ideally, using more titanium will lead to better fuel economy, improved power train performance, reduced engine noise and vibrations, and extended life cycles.
http://blog.titaniumprocessingcenter.com/2013/06/titanium-applications-in-automotive.html
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