Collected papers in physics and engineering by James ThomsonCollected papers in physics and engineering by James Thomson

Collected papers in physics and engineering

byJames Thomson

Paperback | January 12, 2012

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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1912. Not illustrated. Excerpt: ... DYNAMICS AND ELASTICITY 51. On The Strength Of Materials, As Influenced By The Existence Or Non-existence Of Certain Mutual Strains* Among The Particles Composing Them. [From the Cambridge and Dublin Mathematical Journal, November 1848, pp. 252--258. This paper is also reprinted, with a few changes made in it with the author's concurrence, in Article "Elasticity," by Sir William Thomson, in Encyclopaedia Britannica, 9th Edition, Vol. vn. pp. 798-- 800.] My principal object in the following paper is to show that the absolute strength of any material composed of a substance possessing ductility (and few substances, if any, are entirely devoid of this property), may vary to a great extent, according to the state of tension or relaxation in which the particles have been made to exist when the material as a whole is subject to no external strain. Let, for instance, a cylindrical bar of malleable iron, or a piece of iron wire, be made red hot, and then be allowed to cool. Its particles may now be regarded as being all completely relaxed. Let next the one end of the bar be fixed, and the other be made to revolve by torsion, till the particles at the circumference of the bar are strained to the utmost extent of which they can admit without undergoing a permanent alteration in their mutual connexion f. In this condition, equal elements of the cross section * [Note added November 1877, in Encyc. Brit, reprint by Lord Kelvin. More nearly what is now called stress than what is now called strain is meant by "strain" in this article, which was written before Rankine's introduction of the word stress, and distinct definition of the word strain.] t I here assume the existence of a definite "elastic limit," or a limit within which if two particles of a substance be displaced, th...
Title:Collected papers in physics and engineeringFormat:PaperbackDimensions:208 pages, 9.69 × 7.44 × 0.44 inPublished:January 12, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217815359

ISBN - 13:9780217815352