 | William Hubert Burr - 1903 - 1148 páginas
...like steel, is softened, and the breaking strain reduced, by lx?ing heated and allowed to cool slowly. increased by being made extremely hard, and not by..."consolidated" as previously supposed. 46. Specimens cut out of crank-shafts are improved by additional hammering. 47. The galvani/ing or tinning of iron plates produces... | |
 | William Hubert Burr - 1903 - 1124 páginas
...like steel, is softened, and the breaking strain reduced, by being heated and allowed to cool slowly. increased by being made extremely hard, and not by..."consolidated" as previously supposed. 46. Specimens cut out of crank-shafts are improved by additional hammering. 47. The galvanizing or tinning of iron plates produces... | |
 | 1863 - 524 páginas
...softened, and the breaking strain reduced, by being heated and allowed to cool slowly. 45. Iron, subjected to the cold-rolling process, has its breaking strain...not by being "consolidated," as previously supposed. 40. Specimens cut out of a crank-shaft are improved by additional hammering. 47. The galvanizing or... | |
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Iron highly heated and suddenly cooled in water is hardened, and the breaking strain, when gradually applied, increased, but at the same time it is rendered more liable to snap. 44. Iron, like steel, is softened, and the breaking strain reduced, by being... 
