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Handbook of Testing Materials; For the Constructor. Part I. Methods, Machines, and Auxiliary Apparatus Volume 1 (Paperback) Loot Price: R485
Discovery Miles 4 850
Handbook of Testing Materials; For the Constructor. Part I. Methods, Machines, and Auxiliary Apparatus Volume 1 (Paperback):...

Handbook of Testing Materials; For the Constructor. Part I. Methods, Machines, and Auxiliary Apparatus Volume 1 (Paperback)

Adolf Martens

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Loot Price R485 Discovery Miles 4 850

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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: substances under universal pressure. The apparatus is reinforced by a jacket pressed on as in gun construction. Table 2. Pressure-tests of Lead Bodies. Before and after each teat, specific gravities Sp. Gr., and Sp. Gr., were determined. The bodies were tested when unconstrained between plane surfaces and when completely enclosed (Pip. 2. Shape of Test-piece.FinalSpecific Gravity. beX ua siM !l is S r 5 a t""metric W Section.I-.S1 .-s14 fiH(J Kag"."o S Vj(/) tf- u"e V 3w fl 3g .E o."1 U a.BodiescrushecwithoutCQ 0i Circle18 restraint. o 84 5178T73 36 0.69 18i. 0881.287! 43 6800.851.1347 1.1360O.OO13.5263 o-9Si. :::::::it iS / Bodies universally constrained i Circle181.096 1.096i .391! 60 440 i . . - 1 28 4400.06 0.03i . 1048 '1343 I. 1052i . 1040 1.1358 1.1059? O.OOOfi O.OOI5.5169 .5276 5158 I.Oo and 4. Circle. 5 and 6. " ..81.096 i . 1287 I . 1031o.oi; 0.9518 o.ooo;27. Bodies containing pores (voids) behave differently from those having a density = i. These can be compressed by universal, and also sometimes by uni-direc- tional pressure, the compression being perhaps temporary when the material is of itself of an elastic nature, or permanent when but slightly elastic, or so resistant that the pressure of the occluded gaseous materials cannot rehabilitate the original shape, or when they might have escaped during test. Such porous elastic bodies can then be used as springs or buffers when they are completely encased. The material of which they are composed is in that case, however, not materially the cause of the developed elasticity. The essential part is the gaseous component. The effect of the occluded air or gases on the material containing them is not exhausted by the phenomena of change of density under pressure. I...

General

Imprint: Rarebooksclub.com
Country of origin: United States
Release date: July 2012
First published: July 2012
Authors: Adolf Martens
Dimensions: 246 x 189 x 10mm (L x W x T)
Format: Paperback - Trade
Pages: 188
ISBN-13: 978-0-217-00054-3
Categories: Books
LSN: 0-217-00054-1
Barcode: 9780217000543

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