| 单词 | martensite |
| 例句 | Currently, martensite metals are made of an alloyed mixture of nickel and titanium. New shape-shifting metals discovered 2013-10-04T12:00:37Z Moderate reheating or annealing changes this structure largely into troostite, which is a partly transformed martensite, possessing much of the hardness of martensite, but with a largely increased toughness and shock resistance. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel He is then able to pick out its component minerals, ferrite, austenite, martensite, pearlite, graphite, cementite, and to show how their abundance, shape and arrangement contribute to the strength or weakness of the specimen. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries When heated to 670 degrees, it becomes homogeneous, an amount of carbon up to two per cent. dissolves in the iron, and hard steel or martensite is formed. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 In the most quickly quenched high carbon steels, austenite commonly forms the ground mass which is interspersed with martensite, a large field of which is illustrated in Fig. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel This structure is called martensite and is desired when maximum hardness is essential. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Austenite is not nearly as hard as martensite, owing to its content of the soft gamma iron. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The structure is then austenite and the air-cooled structure of this steel is martensite. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel When cooled rapidly, however, as in the tempering of steel, martensite remains a homogeneous solid solution, or hard steel. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 |
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