Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 391
actionand crushing caused by the impact test. The compression fibers (on top) are * Dr. Schmid of Zurich recommends the impact test to determine if iron (steel) hasbeen forged at the blue heat. This test has been successful with him when tensile tests,ordinary bend tests, and even microscopic… … Fig. 8. XI 9. XII io. XV 13-II 14 XV. crushed to the sides while the tension fibers at the bottom above the notch arecontracted toward the center. This only occurs with tough material. More-over the grain of the fracture is very fine, only one flaw is visible. The frac-ture of plate II, Fig. 13 is…
Locomotives · Steam-boiler explosions
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