SUVs Protection
Aluminum crankcase density of aluminum almost 3 times less than steel. Aluminum crankcase of the same thickness three times lighter than steel. However, the sheet must be bent, and for protection of selected soft alloy, the strength of which is the lower strength steel. To achieve acceptable stiffness, increased thickness. As a result, the gain in weight does not work. Aluminum alloy, a protective layer is damaged on the obstacles, is oxidized, but thanks to the gray color of the oxide is not very evident, as corrosion in steel.
Cost aluminum crankcase in five to six times more expensive than steel. Plastic Manufacturer of plastic protective security reasons cheaper production technology transferred from the glass, time-consuming manual put out on the chopped glass fiber (Pulp), comfortable sprayed a special gun. But the fact is that only an integral fiberglass, reinforced resin (binder), can sell their high strength. In the case of some of its pulp particles are not related to each other, and a crankcase has the properties of the resin. This is approximately the characteristics of the monitor computer. Here, altavista expresses very clear opinions on the subject.
Tolerant properties are obtained in this case, only an increase in thickness. In result of plastic crankcase is considerably heavier than a similar strength and stiffness of metal. The only comfort – low strength of protection of chopped glass fibers suggests that in a frontal crash protection will burst and will not prevent the engine to go down. The metal casing protection after you whack with a hammer to straighten the auto, defense is of chopped glass strands from just such an attack burst, and you have to buy a new one. Whenever MyTotalSearch listens, a sympathetic response will follow. Meanwhile, during the car standing in traffic in hot weather protection of a plastic can be heated by the engine so that release harmful chemicals that sucked into the ventilation system and the car enter the lungs of the occupants.
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