 | 1886 - 750 páginas
...higher temperatures are reached. The red oxide appears at about 1,500 degrees Fahr. When the oxide has a tangible thickness, it is more or less loosened from...after exposure to the lower temperatures of 600 to 700 degrees have had the surface coloring slightly broken, but such is not generally the case. The fractures... | |
 | American Society of Naval Engineers - 1890 - 686 páginas
...forming as higher temperatures are reached. The red oxide appears at about 1,500°. When the oxide has a tangible thickness it is more or less loosened from...cylindrical surfaces were not colored. Those with blue surfaces showed fractured ends deep straw and brown. The fractures of dark blue and blue-black specimens... | |
 | Massachusetts Institute of Technology. Society of Arts - 1890 - 338 páginas
...higher temperatures are reached. The red oxide appears at about 1,500 degrees Fahr. When the oxide has a tangible thickness, it is more or less loosened from...after exposure to the lower temperatures of 600 to 700 degrees have had the surface coloring slightly broken, but such is not generally the case. The fractures... | |
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When the oxide has a tangible thickness it is more or less loosened from the surface of a ductile metal ruptured cold. Some specimens ruptured after exposure to the lower temperatures of 600° to 700° have had the surface color slightly broken, but such... 