| James Samuelson, Henry Lawson, William Sweetland Dallas - 1863 - عدد الصفحات: 656
...the metal, from a fibrous to a crystalline condition when subjected to vibration. He also found that steel is reduced in strength by being hardened in...strength is vastly increased by being hardened in oil. Mr. Charles Bathoe, states that in India glaziers never use a diamond to cut glass, but they do all... | |
| James Samuelson, Henry Lawson, William Sweetland Dallas - 1863 - عدد الصفحات: 654
...crystalline condition when_ subjected to vibration. He also found that steel is reduced in strength l»y being hardened in water, while the strength is vastly increased by being hardened in oil. Mr. Charles Bathoe, states that in India glaziers never use a diamond to cut glass, but they do all... | |
| Julius George Medley - 1873 - عدد الصفحات: 942
...steel, is softened, and the breaking strain reduced, by being heated and allowed to cool slowly. 7. Steel is reduced in strength by being hardened in...strength is vastly increased by being hardened in oil. The higher steel is heated (without, of * Experimental Researches, page 311. ^ Experiments on Wrought-Iron... | |
| Dennis Hart Mahan - 1873 - عدد الصفحات: 560
...is changed into granular by being hardened (141). 9. Steel is reduced in strength by being nardened in water, •while the strength is vastly increased by being hardened in oil (161, 162, 164). 10. The higher steel is heated (without, of course, running the risk of being burned)... | |
| Dennis Hart Mahan - 1875 - عدد الصفحات: 636
...previously broke -with a silky fibrous appearance is changed into granular by being hardened (14-1). 9. Steel is reduced in strength by being hardened in...strength is vastly increased by being hardened in oil (161, 1(52, 164). 10. The higher steel is heated (without, of course, running the risk of being burned)... | |
| Dennis Hart Mahan - 1877 - عدد الصفحات: 642
...previously broke .with a silky fibrous appearance is changed into granular by being hardened (141). 9. Steel is reduced in strength by being Hardened in...strength is vastly increased by being hardened in oil (161, 162, 164). 10. The higher steel is heated (without, of course, running the risk of being burned)... | |
| Percy Gaillemard L. Smith - 1879 - عدد الصفحات: 548
...following conclusions as to the influence upon steel caused by its treatment in different ways. " 35th. Steel is reduced in strength by being hardened in water, while the strength a vastly increased by being hardened in oil. " 86th. The higher steel is heated (without of course... | |
| James Stephen Jeans - 1880 - عدد الصفحات: 966
...which previously broke with a silky fibrous appearance is changed into granular by being hardened. Steel is reduced in strength by being hardened in water, while the strength is vastly increased by its being hardened in oil. The more highly steel is heated (without, of course, running the risk of... | |
| 1892 - عدد الصفحات: 566
...following conclusions as to the influence upon steel caused by its treatment in different ways. ' ' 35th. Steel is reduced in strength by being hardened in...strength is vastly increased by being hardened in oil. " 36th. The higher steel is heated (without of course running the risk of being burned) the greater... | |
| William Hubert Burr - 1903 - عدد الصفحات: 1124
...of specimens form an important element in comparing either the rate of or the ultimate elongation, a circumstance which has been hitherto overlooked....hardened in water, while the strength is vastly increased hy being hardened in oil. 36. The higher steel is heated (without, of course, running the risk of being... | |
| |