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  • A '''blast furnace''' is a type of furnace used in the production of [[cast iron]]. It can also be used as a step in the production of [[steel]]; see [[indi ...o brittleness) but has a lower melting point than steel, allowing it to be cast into various shapes with the technology of the time.
    1 KB (253 words) - 13:58, 17 December 2018
  • '''Indirect reduction''' is the production of [[steel]] from [[iron ore]] in two steps: first adding carbon, then removing carbon. '''Pig iron''' (which is high-carbon iron similar to [[cast iron]], but not intended as a final product) is produced in a blast furnace and
    3 KB (518 words) - 02:44, 23 July 2020
  • '''Steel''' is an alloy of [[iron]]. It is a material with high strength that is widely used on Earth for con ...ellent candidate for [[In-situ resource utilization|ISRU]]. The source, [[Iron ore]], is the second most common compound of Mars' crust after silica.
    5 KB (733 words) - 11:52, 11 December 2020
  • ...itanium is difficult to produce as it is not readily reduced by carbon, as Iron can be, for example. Rather than forming Ti and CO<sub>2</sub> it produce The largest cast titanium parts ever made were the grid fins on the Falcon 9 boosters. The
    2 KB (336 words) - 12:29, 26 June 2021
  • ...Journal of Geophysical Research. 78 : 4049–4062.</ref> Basalt is rich in iron and magnesium (mafic) [[ minerals]] and typically dark in color. It is a ...sis region caused the rotation of the planet to change, but later research cast doubt on this idea.<ref>Nimmo, F.; Tanaka, K. 2005. Early Crustal Evolut
    29 KB (4,380 words) - 08:10, 15 May 2021
  • ...the measuring tape. At subsequent sites we imaged the length of the shadow cast by a rock hammer for scale and sun orientation calculations, respectively ( ...outcrop was a much more well-consolidated red sandstone presumably rich in iron oxide (indicative of a shallow marine environment). This caprock was much m
    127 KB (20,888 words) - 21:33, 4 October 2019
  • ...y, William Herschel continued the studies of Cassini and Maraldi. Herschel cast and polished his own lenses and mirrors for his reflecting telescopes. He ...bsorption and emission of gamma rays. This revealed the presence of eight iron-bearing minerals including goethite, which only form in the presence of wat
    64 KB (10,261 words) - 16:11, 21 December 2020
  • ...aves, voids, aquifers, and shallow subsoils). In particular, manganese and iron oxide desert rinds and surface carbonates are relevant to Mars and we are a Our health is good. My airplane injuries are healing well. I cut off the cast on my wrist the other day. It had gotten wet and was starting to irritate t
    118 KB (20,168 words) - 17:24, 16 March 2020