Journal of the Institute of Metals, Volume 27The Institute, 1922 Issues for Sept. 1951- include the Bulletin. |
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acid Admiralty alloy containing alloys aluminium American amorphous amorphous metal appeared atoms authors Bengough boundaries brass Brinell hardness bronze carbon Carpenter castings cent chloride chromium cold-worked composition compound condenser tubes cooled copper corrosion cracks crystal grains curves deformation described diagram discussed Duralumin effect Electric elongation Engineers etch bands eutectic eutectoid experiments Faraday Society Foundry furnace given grain-growth grms heat Heat-Treatment hydrochloric acid illustrations impurities increase Institute of Metals internal stress investigation iron Journal large number machine manganese manufacture material mechanical melting Metallurgical method minutes moulds nickel nitric acid non-ferrous obtained oxide paper phosphorus Plate precipitate present Price produced Professor properties pyrometers quenching recrystallization reduced Research rolling Rosenhain samples season-cracking showed shown Society sodium solid solution specimen steel strained structure surface tensile test-pieces tion tons per sq treatment tungsten vanadium vapour pressure Welding wire Zeitschrift zinc
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Page 166 - The results may be summarised as follows : — (1) The rate of reduction of stress is fairly rapid at 200° C. at first, but becomes very slow when the stress has been reduced to one-half to onethird its initial value and important stresses remain even after treatment for 24 hours or longer. (2) As the temperature is raised the rate of reduction of stress increases but shows the same characteristic of slowing down as the stress falls. At 300° C. a very much shorter time is required to reduce the...
Page 336 - Study of the Effect of Moisture Content upon the Expansion and Contraction of Plain and Reinforced Concrete.
Page 166 - C. and the remaining stress is much lower after a given time) at the higher temperature in brass of the same hardness. (3) The higher the initial stress the higher is the remaining stress after a given treatment, in brass of the same hardness, although the amount of stress removed is greater the higher the initial stress. (4) The higher the hardness of the brass the lower is the remaining stress after a given treatment and for a given initial stress. In other words, the harder the brass the more...
Page 340 - STRUCTURE OF THE COATING ON TINNED SHEET COPPER IN RELATION TO A CURIOUS CASE OF CORROSION OF THIS MATERIAL.* By Paul D.