 | Dennis Hart Mahan - 1902 - 682 páginas
...shearing strain of steel rivets is found to be about a fourth less than the tensile strain (163). 16. The welding of steel bars, owing to their being so...burned by slightly overheating, is a difficult and uncer tain operation (181, 15). 17. The most highly converted steel does not, as some maj suppose,... | |
 | William Hubert Burr - 1903 - 1162 páginas
...nearly to their breaking point. ^r 54. A great variation exists in the strength of iron bars which have been cut and welded; whilst some bear almost as much...difficult and uncertain operation. 56. Iron is injured by l>cing brought to a white or welding heat, if not at the same time hammered or rolled. 57. The breaking... | |
 | William Hubert Burr - 1903 - 1148 páginas
...nearly to their breaking point. 54. A great variation exists in the strength of iron bars which have been cut and welded; whilst some bear almost as much...steel bars, owing to their being so easily burned by •^lightly overheating, is a difficult and uncertain operation. Sfi. Iron is injured by being brought... | |
 | Frank Eugene Kidder - 1908 - 1784 páginas
..."A great variation exists in the strength of iron bars which have been cut and welded. Whilst gome bear almost as much as the uncut bar, the strength of others is reduced fully a third. "The welding of steel bars, owing to their being so easily burned by slightly overheating, is a difficult... | |
 | 1863 - 524 páginas
...nearly to their breaking point. 54. A great variation consists in the strength of iron bars which have been cut and welded; whilst some bear almost as much...brought to a white or welding heat, if not at the same time hammered or rolled. 57. The breaking strain is considerably less when the strain is applied... | |
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A great variation exists in the strength of iron bars which have been cut and welded; whilst some bear almost as much as the uncut bar, the strength of others is reduced fully a third. 
