| 单词 | pearlite |
| 例句 | If the brand of available potting soil doesn’t contain pearlite, she lightens it with some so that pearlite is as much as one-quarter of the blend. If you grow a tiny trough garden, expect to draw a crowd 2023-08-09T04:00:00Z 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 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 Just at this moment the lamination of pearlite, which now occupied its original area, was taking place. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Pure iron, having no carbon, naturally would show no pearlite when examined under a microscope; only abutting granules of iron are delicately traced. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Any of these operations not only allows the transformations from austenite to pearlite to proceed, but also relieves internal stresses in the steel. 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 This structure of thin sheets has received the name "pearlite," because of its pearly appearance under sunlight. 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 Its components are tending to coagulate into pearlite, and will do so in a fairly short time at temperatures near the lower critical, which heat will furnish the necessary molecular freedom. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel |
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