Definition of Hammer hardening. Meaning of Hammer hardening. Synonyms of Hammer hardening

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Definition of Hammer hardening

Hammer hardening
Hammer Ham"mer, n. [OE. hamer, AS. hamer, hamor; akin to D. hamer, G. & Dan. hammer, Sw. hammare, Icel. hamarr, hammer, crag, and perh. to Gr. ? anvil, Skr. a?man stone.] 1. An instrument for driving nails, beating metals, and the like, consisting of a head, usually of steel or iron, fixed crosswise to a handle. With busy hammers closing rivets up. --Shak. 2. Something which in firm or action resembles the common hammer; as: (a) That part of a clock which strikes upon the bell to indicate the hour. (b) The padded mallet of a piano, which strikes the wires, to produce the tones. (c) (Anat.) The malleus. See under Ear. (Gun.) That part of a gunlock which strikes the percussion cap, or firing pin; the cock; formerly, however, a piece of steel covering the pan of a flintlock musket and struck by the flint of the cock to ignite the priming. (e) Also, a person of thing that smites or shatters; as, St. Augustine was the hammer of heresies. He met the stern legionaries [of Rome] who had been the ``massive iron hammers' of the whole earth. --J. H. Newman. Atmospheric hammer, a dead-stroke hammer in which the spring is formed by confined air. Drop hammer, Face hammer, etc. See under Drop, Face, etc. Hammer fish. See Hammerhead. Hammer hardening, the process of hardening metal by hammering it when cold. Hammer shell (Zo["o]l.), any species of Malleus, a genus of marine bivalve shells, allied to the pearl oysters, having the wings narrow and elongated, so as to give them a hammer-shaped outline; -- called also hammer oyster. To bring to the hammer, to put up at auction.

Meaning of Hammer hardening from wikipedia

- London Hammer (also known as the "London Artifact") is a hammer made of iron and wood that was found in London, Texas in 1936. Part of the hammer is embedded...
- into the surface. Different depths of hardening are desirable for different purposes: sharp tools need deep hardening to allow grinding and resharpening...
- peen of a hammer”), Old Swedish pæna (“to pound iron with a hammer”). Besides peening (surface-hardening by impact), the ball-peen hammer is useful for...
- Work hardening, also known as strain hardening, is the process by which a material's load-bearing capacity (strength) increases during plastic (permanent)...
- on the smithy's anvil while the smith works it with a hammer. Sometimes, such as when hardening steel or cooling the work so that it may be handled with...
- ab****n. When a metal undergoes strain hardening its yield strength increases but its ductility decreases. Strain hardening actually increases the number of...
- Induction hardening is a type of surface hardening in which a metal part is induction-heated and then quenched. The quenched metal undergoes a martensitic...
- flame hardening and induction hardening techniques, the steel is quickly heated to red-hot in a localized area and then quenched. This hardens only part...
- There are five hardening processes: Hall-Petch strengthening, work hardening, solid solution strengthening, precipitation hardening, and martensitic...
- ceramic objects, gl**** objects, the preparation of fossils, the hardening of piano hammers, and can also be used for labeling museum objects. B-72 is a durable...