Testing the Hardness And Durability of Metals
Testing the Hardness And Durability of Metals
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In our eReader you can find the full English version of the book. Read Testing the Hardness And Durability of Metals Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Testing the Hardness And Durability of Metals
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In fact, the inventor was well-nigh on the point of giving up the method when he met the French expert on metals, Dr. Herault. Following out certain of his suggestions, the inventor succeeded in producing a satisfactory instru- ment for the testing of hardness. The difficulty with the ball-shaped hammer was that it was incapable of striking a sufficiently hard blow to get adequate results, especially with hardened tool steel, so the area of contact was reduced, although the weight was kept larg...e in com- parison.
j Hardness vs. Elasticity When the hammer of the scleroscope is allowed to drop with no other force than its own weight, and the point is so flat that absolutely no impression is made on the surface of very hard steel, then the re- bound will be about 90 per cent of the fall. This phenomenon is known as the elasticity of solid bodies. Now, since hardness is resist- ance to penetration, in its clearest definition, it stands to reason that the point of the hammer must be somewhat reduced and rounded.
What to read after Testing the Hardness And Durability of Metals?
You can find similar books in the "Read Also" column, or choose other free books by Harold Ralph Badger to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In fact, the inventor was well-nigh on the point of giving up the method when he met the French expert on metals, Dr. Herault. Following out certain of his suggestions, the inventor succeeded in producing a satisfactory instru- ment for the testing of hardness. The difficulty with the ball-shaped hammer was that it was incapable of striking a sufficiently hard blow to get adequate results, especially with hardened tool steel, so the area of contact was reduced, although the weight was kept larg...e in com- parison.
j Hardness vs. Elasticity When the hammer of the scleroscope is allowed to drop with no other force than its own weight, and the point is so flat that absolutely no impression is made on the surface of very hard steel, then the re- bound will be about 90 per cent of the fall. This phenomenon is known as the elasticity of solid bodies. Now, since hardness is resist- ance to penetration, in its clearest definition, it stands to reason that the point of the hammer must be somewhat reduced and rounded.
What to read after Testing the Hardness And Durability of Metals?
You can find similar books in the "Read Also" column, or choose other free books by Harold Ralph Badger to read onlineMoreLess
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