In this article we will look at some issues and solutions for fasteners to be at their best even at high temperatures.
#01. The problem of oxidation occurs at higher temperatures. The metal fasteners oxidise quickly resulting in their breaking down. Fastener manufacturers use oxidation-resistant alloys to overcome this issue. For example, manufacturers could would go in for alloy of iron, nickel and chrome that will not oxidise at up to 1300 degree Fahrenheit.
#02. The problem of weakening material also is brought about at high temperatures. While this happens with most materials, nickel alloys and molybdenum are known to not lose their strength at high temperatures of up to 2000 degree Fahrenheit.
#03. The problem of vaporisation is handled best by materials made from refractory elements with high melting point and with the ability to withstand temperatures up to 2000 degree Fahrenheit. Refractory materials such as Tantalum and Tungsten are usually preferred by fastener manufacturers.
#04. The problem of very high temperatures is countered by the use of ceramic fasteners that can hold on to their properties even at 4000 degree Fahrenheit. Manufactures look at Alumina and Zirconia for extremely high temperature applications.
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