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Metals Used in Automobiles
Transcript of Metals Used in Automobiles
Steel is the primary metal used to make most cars. In fact, nearly 65 percent of the materials used to build most cars are a steel product.
Where Steel is Used
Most parts of the car that have to do with steering are made from steel, as well as parts of the body, wheels, chassis and frame.
Reasons for Using Steel
Steel is durable and flexible, making it a desirable material in car manufacturing because on impact it bends instead of breaking.
Stainless steel is also used in auto manufacturing. It is chosen primarily because of its resistance to rust. For this reason, it is often used for bolts, brackets and exhaust parts.
Where Aluminum is Used
Parts of a car that are typically made from aluminum include the engine and wheels.
Reasons for Using Aluminum
Aluminum is used in the making of the modern car because it is light. In many cases it replaced heavy metals such as iron in car manufacturing because it is has the strength needed for the part without the excess weight.
Iron was used more often in the past and has been used less in modern car manufacturing because it is heavy.
Where Iron is Used
Iron was often chosen for engine parts in older cars.
Reasons for Using Iron
Iron is heavy, but with that weight comes durability.
Titanium is an exotic metal that is extremely strong, lightweight and resistant to corrosion from chemical weathering and saltwater. This metal is hard to manufacture, so it is used sparingly. Some car parts that may be made of titanium include intake and exhaust valves.
Read more : http://www.ehow.com/list_7331288_kind-metals-cars-made-from_.html
Where Titanium is Used
This metal is hard to manufacture, so it is used sparingly. Typically, only racecars and very high end cars use titanium. Some car parts that may be made of titanium include intake and exhaust valves.
Reasons for Using Titanium
Titanium is an exotic metal that is extremely strong, lightweight and resistant to corrosion from chemical weathering and saltwater.
Fun Fact About
A modern car with parts made of aluminum can be 24 percent lighter than one with components made of steel, which also reduces fuel consumption by 1 gallon per 60 miles.
Fun Fact About
Old steel from a car produced 10-20 years ago can be recycled and turned into new steel grades with improved properties.
Fun Fact About
New advances in casting technology have lead to the creation of a new type of metal that can be used in automobiles. This new substance, called CGI (Compacted Graphite Iron) is iron which has been cooled at very controlled rates to form a tighter than usual matrix of molecules to form. This tighter matrix makes the metal stronger and harder with a higher strength to weight ratio than aluminum without the disadvantages that come from using aluminum. This technology allows a 20% reduction in weight for the same material strength.
Fun Fact About Titanium
Estimate of savings on fuel costs due to reduced weight in manufactured vehicles
Based on the chart above, each lighter car built with titanium can save over $15,000. However, until a cheaper method of manufacturing titanium is found, titanium-based cars would be impractical. Titanium is 12-100 times more expensive than steel! Repairs on titanium cars would also be difficult, due to the expense of welding.
By Mikayla Humphrey