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Meteoric iron also has an effect on the Earth's atmosphere. When meteorites descend through the atmosphere, outer parts are ablated. Meteoric ablation is the source of many elements in the upper atmosphere. When meteoric iron is ablated, it forms a free iron atom that can react with ozone (O 3) to form FeO. This FeO may be the source of the ...
Widmanstätten patterns, also known as Thomson structures, are figures of long phases of nickel–iron, found in the octahedrite shapes of iron meteorite crystals and some pallasites. Iron meteorites are very often formed from a single crystal of iron-nickel alloy, or sometimes a number of large crystals that may be many meters in size, and ...
Widmanstätten pattern as seen on an etched and polished slice of an olivine-free portion of the Seymchan meteorite. [ a ] Scale unknown. Iron meteorites , also called siderites or ferrous meteorites , are a type of meteorite that consist overwhelmingly of an iron–nickel alloy known as meteoric iron that usually consists of two mineral phases ...
1.11–1.30% carbon: files, small drills, lathe tools, razor blades, and other light-duty applications where more wear resistance is required without great toughness. Steel of about 0.8% C gets as hard as steel with more carbon, but the free iron carbide particles in 1% or 1.25% carbon steel make it hold an edge better.
This "Modern Damascus" is made from several types of steel and iron slices welded together to form a billet, and currently, the term "Damascus" (although technically incorrect) is widely accepted to describe modern pattern-welded steel blades in the trade. [44] The patterns vary depending on how the smith works the billet. [43]
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An employee stabbed a Michigan company's president during a staff meeting, the police said. A suspect, whom fellow employees describe as quiet, left the scene but was subsequently arrested.
Glute exercises get all the attention for helping you achieve, uh, a perky bum. But glute stretches are just as important; they’re crucial for staying mobile and doing regular, daily movements ...