| 单词 | ferrite |
| 例句 | When a linearly polarized wave travels through a magnetized ferrite, the overall effect is to rotate the polarization, in some ways similar to the metamaterials discussed earlier. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z Intriguingly, they observed that the thin film of bismuth ferrite undergoes an unexpected phase transition to form a different crystal lattice. How to make the thinnest possible free-standing sheets of perovskite materials 2019-06-04T04:00:00Z Decent speakers can be two feet high with heavy ferrite magnet drivers hidden by gossamer cloth grilles. Car Tuneups That Require Audio Engineers 2019-01-03T05:00:00Z So, to conform to international regulations, they are looking at including a ferrite and copper shield between the coil and someone’s skin, which is necessary on devices like a fitness band or smartwatch. Buddy, can you spare a watt? 2016-04-28T04:00:00Z With a satisfying crunch, the machinery chews the Martian soil and sifts iron ferrite and magnesium carbonates. The meaning of life 2013-10-16T17:21:03.667Z When a ferrite—a nonmetallic material with magnetic properties—is subject to a constant magnetic field, its molecules sustain tiny circulating currents that rotate with a handedness determined by the magnetic field orientation. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z Ms. Hope’s “Shifting,” from 2011, is a wall smothered in chains and ferrite magnets. | Long Island: ?Artists Choose Artists? at the Parrish Art Museum - Review 2011-09-25T00:29:53Z The growth is continually destroyed by the hammering, which should consequently be continued down to the upper critical temperature when the austenite crystals break up into ferrite and cementite. 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 The cementite, although adding to the tensile strength, is very brittle and the strength of the pearlite is the combination of the ferrite and cementite. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel My group has shown that we can replace the tiny circulating currents in a magnetized ferrite with mechanically rotating elements in a metamaterial. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z Vanadium has the peculiar property of readily entering into solution with ferrite. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel From this combination, we are able to get a very strong ferrite matrix and a very hard tough cementite. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel A final steel will be composed of pearlite; ferrite and pearlite; or cementite and pearlite, according to the carbon content. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Page 25 Nickel influences the strength and ductility of steel by being dissolved directly in the iron or ferrite; in this respect differing from chromium, tungsten and vanadium. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel When we turn on the fans, the frequencies at which the cavity resonates are different for counterrotating sound waves, similar to how Zeeman splitting changes the energy of light’s interactions in a ferrite. Engineered Metamaterials Can Trick Light and Sound into Mind-Bending Behavior 2022-11-18T05:00:00Z It is possible to change the relative sizes of the ferrite and cementite crystals by heat treatment. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The ferrite i.e., the iron is increased in strength by the resistance offered by the cementite which is the simple iron-carbon combination known to metallurgists as Fe3C. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Apparently the quick cooling prevents the normal change back to definite and sizeable crystals of ferrite and cementite. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel At that moment, in fact, the ferrite, cementite or Page 110 pearlite which previously existed has lost its identity by everything going into the solid solution called austenite. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Subsequent cooling gives a coarse texture, or an arrangement of ferrite, cementite and pearlite grains which is greatly coarsened, reflecting the condition of the austenite crystals from which they were born. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Where poor machining conditions in heat-treated steels are present they are generally due to incomplete solution of cementite rather than bands of free ferrite, as in the case of case-hardening steels. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Pearlite is a definite conglomerate of ferrite and cementite containing about six parts of the former to one of the latter. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel |
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