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单词 cementation
释义
cementation
Physics

  • Any metallurgical process in which the surface of a metal is impregnated by some other substance, especially an obsolete process for making steel by heating bars of wrought iron to red heat for several days in a bed of charcoal. See also case hardening.

Chemistry

  • Any metallurgical process in which the surface of a metal is impregnated by some other substance, especially an obsolete process for making steel by heating bars of wrought iron to red heat for several days in a bed of charcoal. See also case hardening.

Chemical Engineering

  • A metallurgical process in which a metallic surface is impregnated with another surface. It involves heating the metal such as steel and dipping it into molten sodium cyanide. It is used to harden the steel. See case hardening.

Geology and Earth Sciences

  • Process by which sedimentary rock particles or fragments are cemented together after deposition. Cementing materials are deposited from the mineral-rich waters that percolate through the open pore space of the rock. The percentage of cement depends on the amount of pore space and on the mud content within a given rock.

Geography

  • The binding together of particles by adhesive materials, as in sedimentary rocks. See Nash and Smith (2003) Geomorph. 50, 1–3 on calcretes.
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