ultrahard

ultrahard
Extremely hard; of utmost hardness.

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  • Ultrahard toll materials — Ultrahard toll materials. См. Ультратвердые инструментальные материалы. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

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  • Aggregated diamond nanorod — Aggregated diamond nanorods, or ADNRs, are a nanocrystalline form of diamond, also known as nanodiamond or hyperdiamond. Nanodiamond was convincingly demonstrated to be produced by compression of graphite in 2003 and in the same work found to be… …   Wikipedia

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  • Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …   Wikipedia

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  • Wootz steel — Wootz is a steel characterized by a pattern of bands or sheets of micro carbides within a tempered martensite or pearlite matrix. It was developed in India around 300 BC [ [http://materials.iisc.ernet.in/ wootz/heritage/WOOTZ.htm IISC] ] . The… …   Wikipedia

  • Borazon — Borazon, a boron nitride allotrope, is the fourth hardest substance, after aggregated diamond nanorods, ultrahard fullerite, and diamond, and the third hardest artificial material. Borazon is a crystal created by heating equal quantities of boron …   Wikipedia

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