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Titanium is used regularly in aviation for its resistance to corrosion and heat, and its high strength-to-weight ratio. Titanium alloys are generally stronger than aluminium alloys, while being lighter than steel. It has been used in the earliest Apollo Program and Project Mercury. [36]
The principle is that an object made of a harder material will scratch an object made of a softer material. When testing coatings, scratch hardness refers to the force necessary to cut through the film to the substrate. The most common test is Mohs scale, which is used in mineralogy. One tool to make this measurement is the sclerometer.
Mobile Suit Gundam: Fictional alloy based on Titanium. Was created in U.C. 0064, in order to provide the Earth Federation Space Forces with a lightweight metal that was also durable enough to be the main framework for the RX series of Mobile Suits. Its durability is remarkable, withstanding impacts of 120mm shells from a Zaku's machinegun, and ...
Aluminum is also a ductile, light, and forms a very resistant oxide shell. The main advantage is that it has better strength to weight ratio than steel which makes it ideal for certain narrow applications. Now titanium-nitride is harder than steel, but it's a nonmetallic ceramic (crystal), and so has all the downsides of a ceramic.
Titanium is a common material for backpacking cookware and eating utensils. Though more expensive than traditional steel or aluminium alternatives, titanium products can be significantly lighter without compromising strength. Titanium horseshoes are preferred to steel by farriers because they are lighter and more durable. [115]
Archaeologists believe they may have discovered the final location of Noah’s Ark on Turkey’s Mount Ararat. Soil samples from atop the highest peaks in Turkey reveal human activity and marine ...
Steel, stainless steels, hard cast irons, pearlitic malleable iron, titanium, titanium alloys, deep case-hardened steel, other materials harder than 100 HRB: 100: 500 D: HRD: 100: spheroconical diamond † Thin steel and medium case-hardened steel and pearlitic malleable iron: 100: 500 E: HRE: 100: 1 ⁄ 8 in (3.18 mm) ball