Cobalt alloy is one of numerous metal alloys sold. The […]
Cobalt alloy is one of numerous metal alloys sold. The vast majority of commercially available cobalt alloys are air or argon melted since they are devoid of the highly reactive elements aluminium and titanium, whose presence requires more sophisticated and costly vacuum melting techniques. Silicon and manganese additions are used to enhance castibility in terms of alloy fluidity, melt deoxidation practice, and sulfur control. Vacuum melting is required to control the relatively low alloying levels of the strong monocarbide-forming reactive elements zirconium, hafnium, and titanium in contemporary alloys like MM-509. Improvements in tensile and rupture properties of more conventional alloys like X-40 have also resulted from vacuum melting due to lower interstitial levels and "cleaner" material.
What can Cobalt Alloys be Used For?
Thanks to their excellent corrosion and heat resistant characteristics, cobalt alloys are used in a variety of applications, including aerospace, industrial, marine and medical. Also, as well as forming the basis of the cobalt-base alloys discussed in this article, cobalt is also an important ingredient in other materials:
Cemented carbides and tool steels
Characteristics of Cobalt Alloys
Cobalt has many characteristics including stress and corrosion resistance at high temperatures, other uses of Cobalt Alloys include:
Super alloys for the aerospace industry
Industrial gas turbines
Pigment in commercial and industrial ceramics and glass
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