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Topic: Egon Orowan

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	Egon Orowan \| iMechanica
		Orowan had the simple idea of stretching a sheet of mica in its plane, using grips much narrower than the sheet, so that the edges of the sheet were free from stress and cracks in the edges would not lead to fracture.
		Orowan also remarks that "stress-strain curves cannot be used for processes like rolling where the deformation takes place in a less time than the first period of extension", showing that he was already preoccupied with the theory of rolling which was to occupy him for most of the war years.
		Orowan was already interested in rock mechanics (Nádai's book on plasticity was influential here) and this, together with the glaciology, led on later to his interest in earthquake mechanisms, flow in the Earth's mantle and his model of a convection cell in the mantle based on perfect plasticity.
	imechanica.org /node/173 (15320 words)

	Egon Orowan - Wikipedia, the free encyclopedia
		Egon Orowan (Hungarian: Orován Egon) (August 2, 1902 — August 3, 1989) was a Hungarian/British/U.S. physicist and metallurgist.
		His father, Berthold, was a mechanical engineer and factory manager, and his mother, Josze Spitzer Ságvári was the daughter of an impoverished land owner.
		Though the discovery was neglected until after World War II, it was critical in developing the modern science of solid mechanics.
	en.wikipedia.org /wiki/Egon_Orowan (486 words)

	Physics of Strength and Plasticity - The MIT Press
		The title of this book is derived from a graduate course in which Professor Egon Orowan presented to M.I.T. students a clear and simple picture of the basic concepts in crystal plasticity and the mechanics of fracture of materials.
		Professor Orowan has been one of the principal contributors to the field of physics of plasticity and strength.
		Professor Ali Argon felt that the retirement of Professor Orowan from the M.I.T. faculty was an appropriate occasion to take stock of the developments in the immediate past and to produce a needed synthesis of this technologically important field.
	mitpress.mit.edu /catalog/item/default.asp?ttype=2&tid=9736 (237 words)

	Egon Orowan \| iMechanica
		Orowan made seminal contributions to mechanics and materials, but his life is not well known among young mechanicians. It would be great if you could upload his image using the button "upload image" in the header of iMech. His photo will then appear randomly on the leftside.
		Orowan was a professor at Cambridge University, UK before moved to MIT in 1950's.
		Many thanks for the entry on Orowan. Can you use "ask question" to write an instruction on "How to upload an image"? You can use some of the text on the page where you upload the image.
	imechanica.org /node/171 (519 words)

	Dislocation - Wikipedia, the free encyclopedia
		As shear modulus in metals is typically within the range 20 000 to 150 000 MPa, this is difficult to reconcile with shear stresses in the range 0.5 to 10 MPa observed to produce plastic deformation in experiments.
		In 1934, Egon Orowan, Michael Polanyi and G.
		Taylor, roughly simultaneously, realized that plastic deformation could be explained in terms of the theory of dislocations.
	en.wikipedia.org /wiki/Dislocate (2437 words)

	The Mathematics Genealogy Project - Egon Orowan
		Click here to see the students listed in chronological order.
		According to our current on-line database, Egon Orowan has 2 students and 12 descendants.
		If you have additional information or corrections regarding this mathematician, please use the update form.
	genealogy.math.ndsu.nodak.edu /html/id.phtml?id=81354 (87 words)

	Amazon.com: Mechanical Behavior of Materials (Addison-Wesley Series in Metallurgy and Materials): Books: George S. ... (Site not responding. Last check: 2007-10-20)
		Amazon.com: Mechanical Behavior of Materials (Addison-Wesley Series in Metallurgy and Materials): Books: George S. Reichenbach,Ernest Rabinowicz,Milton Shaw,Massachusetts Institute of Technology,Frank A McClintock,Ali S. Argon,Stanley Backer,Egon Orowan
		This item is not eligible for Amazon Prime, but over a million other items are.
		by George S. Reichenbach (Editor), Ernest Rabinowicz (Editor), Milton Shaw (Editor), Massachusetts Institute of Technology (Editor), Frank A McClintock (Author), Ali S. Argon (Author), Stanley Backer (Author), Egon Orowan (Author)
	www.amazon.com /Mechanical-Behavior-Materials-Addison-Wesley-Metallurgy/dp/B000BO7XQ4 (426 words)

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