 ... 1 : 2'56. From comparisons of the strain required to cause permanent alteration in different kinds of steel, the author concludes, that in the process of hardening, the particles are put into a state of tension among themselves, which lessens their...  The Quarterly Journal - Page 2681824Full view - About this book
 | Industrial arts - 1824 - 726 pages
...fracture in hard steel, as 1 : 1-38, and in the same steel, of a straw, yellow temper, 1 : 2-56. " From comparisons of the strain required to cause permanent...latter, by which the state of tension is produced." Effects of the Density of the Air on, Chronometers. Among the sources of error to which chronometers... | |
 | Perry Fairfax Nursey - Industrial arts - 1824 - 470 pages
...the strain required to cause permanent alteration in different kinds of steel, the author coneludes, that in the process of hardening, the particles are...hardening may be referred to the more rapid abstraction of Jieat from the surface of the metal, than can be supplied from t!.¿ internal parts; whence a contraction... | |
 | Industrial arts - 1824 - 512 pages
...priireu of hardening', the particles are put iiitn a »tatr of tension among- themselves, which lenens their power to resist extraneous force, and the phenomena of hardening may he referred to the more rapid abstraction of beat from the surface nf the metal, than can be supplied... | |
 | Agriculture - 1825 - 510 pages
...these comparisons I think it will appear, that in thé hardening of steel, the particles are put in a state of tension among themselves, which lessens their power to resist extrar neous force. The amount of this tension should be equal to the difference between the absolute... | |
 | Royal Society (Great Britain) - Electronic journals - 1833 - 486 pages
...fracture in hard steel, as 1 : 1'66 ; and in the same steel of a straw yellow temper, as 1 : 2'56. From comparisons of the strain required to cause permanent...latter, by which the state of tension is produced. A short Account of some Observations made with Chronometers, in two Expeditions sent out by the Admiralty,... | |
 | Royal Society (Great Britain) - Electronic journals - 1833 - 502 pages
...fracture in hard steel, as 1 : 1-66 ; and in the same steel of a straw yellow temper, as 1 : 2'56. From comparisons of the strain required to cause permanent...latter, by which the state of tension is produced. A short Account of some Observations made with Chronometers, in two Expeditions sent out by the Admiralty,... | |
 | 1839 - 580 pages
...Ibs. From these comparisons it will appear that in the hardening of steel the particles are put in a state of tension among themselves, which lessens their power to resist extraneous force. The amount of this tension should be equal to the difference between the absolute cohesion in different... | |
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