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hydrostatic pressure effects

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003258
EISBN: 978-1-62708-176-4
... for various metals and alloys. Source: Ref 3 Fig. 2 The effect of strain-rate sensitivity exponent, m , on the post-uniform elongation for various metals and alloys. Source: Ref 3 Fig. 4 The effect of hydrostatic pressure on the tensile ductility for various metals. Source: Ref 3...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004007
EISBN: 978-1-62708-185-6
... Effect of reinforcement size on extrusion pressure versus ram travel discontinuously reinforced aluminum. Source: Ref 28 , 75 Fig. 9 Effect of reinforcement size and strain on damage to reinforcement in hydrostatically extruded billet. Source: Ref 28 , 75 Fig. 10 Fracture...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005461
EISBN: 978-1-62708-196-2
...-Latham Criterion Extension of the Criterion to the Fracture Locus for Compression Effect of Hydrostatic Pressure on Fracture Testing Precautions In the current state of fracture prediction in metalworking processes, computer models provide robust simulations of the deformation, stresses...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004013
EISBN: 978-1-62708-185-6
.... International Conference on Metal Matrix Composites ( Liverpool, England ), Nov 22–24, 1972 22. Story J.M. , Avitzur B. , and Hahn W.C. , The Effect of Receiver Pressure on the Observed Flow Pattern in the Hydrostatic Extrusion of Bi-metal Rods , J. Eng. Ind., Trans. ASME Ser. B , Vol...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009004
EISBN: 978-1-62708-185-6
... indentation pressure ( P/Y where Y is the yield strength) and the normalized centerline hydrostatic stress (σ h / Y ) with h/b ratio as calculated from slip-line field analysis Fig. 25 Roll groove geometry for rolling square bars into round wire. Dimensions given in millimeters Fig. 26...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002485
EISBN: 978-1-62708-194-8
... into a rib. The beneficial effect of hydrostatic pressure on the fracture line is also shown schematically, with position “0” being a point of high pressure in Fig. 19(b) . As metal flows around the die corner (moves from point 0 to 1 to 2 to 3), it experiences a drop in hydrostatic pressure while...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006401
EISBN: 978-1-62708-192-4
...: supply pressure ( p s ), recess pressure ( p r ), film thickness ( h 0 ), bearing pocket diameter ( b ), and bearing load thickness ( l ). Adapted from Ref 25 Fig. 10 Selected properties of a hydrostatic bearing that incorporate an orifice or a capillary restrictor, as a function...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... example had a high discontinuity stress that was not taken into account in the design. This discontinuity stress exceeded the tensile strength of the carbon steel shell material. Although initial cracking probably occurred during hydrostatic testing, the vessel operated at such low pressure...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004002
EISBN: 978-1-62708-185-6
... Extrusion on MMC's , Paper No. 950260, SAE Trans. , 1995 38. Lewandowski J.J. and Lowhaphandu P. , Effects of Hydrostatic Pressure on Mechanical Behavior and Deformation Processing of Metals , Int. Mater. Rev. , Vol 43 ( No. 4 ), 1998 , p 145 – 188 10.1179/imr.1998.43.4.145...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006423
EISBN: 978-1-62708-192-4
... to the fact that the viscosity of liquid lubricants is generally much lower than that of solid lubricants. Source: (a) Ref 34 and (b) Ref 62 Fig. 25 Hydrostatic drawing die with actively pressurized inlet zone to encourage hydrodynamic lubrication. Source: Ref 63 Fig. 26 Effect...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005531
EISBN: 978-1-62708-197-9
... Fig. 13 Comparison of pore collapse by hydrostatic pressure and by forging. Forging with lateral flow causes shear in the material, which efficiently collapses the pores and ensures a sound metallurgical bond across the collapsed pore surfaces Modeling of PF is used to determine the preform...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006385
EISBN: 978-1-62708-192-4
... , and that because of the dead zone formed (see Fig. 4b and c ), the material flows along a 45° effective die angle, the pressure can be estimated as: (Eq 8) p = S y ( 1.7  ln  R e + 2 L D o ) where L is the billet length and D o is the billet diameter. Note...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003591
EISBN: 978-1-62708-182-5
... Fig. 1 Schematic drawing of thermobalances for thermogravimetric analysis. (a) Tube furnace and microbalance without compensation for hydrostatic lift. (b) With compensation for hydrostatic lift Abstract Abstract This article discusses two approaches for determining gaseous corrosion...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004213
EISBN: 978-1-62708-184-9
... for all sizes of pipe. In recent years, the use of enamels has declined for these reasons: Hydrostatic retesting involves pressure testing the pipeline with water at a pressure that is higher than the operating pressure, typically 125% of the maximum operating pressure (MOP) of the pipeline...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... limitations. Hydrostatic and air pressure tests are useful for detecting discontinuities extending completely through the tube wall, but they are of little use in detecting discontinuities that extend only partly through the wall. In these cases, ultrasonic and eddy-current methods are more useful. These test...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005254
EISBN: 978-1-62708-187-0
... some call solid feeding). In any case, the application of isotropic pressure during solidification in real castings has the effect of decreasing the hydrostatic tension in the liquid, and this decrease in the hydrostatic tension causes the elimination or delay of the cited failure mechanisms due...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005293
EISBN: 978-1-62708-187-0
... of hydrostatic pressure and elevated temperature, a pore will collapse and shrink, initially by plastic flow, then by diffusional mechanisms. The pressures employed in commercial HIP applications typically range from 105 to 310 MPa (15,000 to 45,000 psi). The lower pressure, 105 MPa (15,000 psi), is appropriate...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009006
EISBN: 978-1-62708-185-6
.... In addition to the Hill and Tupper slipline field analysis ( Ref 21 ) used by Coffin and Rogers, the interested reader is directed to the hydrostatic tension projections of Chen, Oh, and Kobayashi ( Ref 14 ) and of Lee et al. ( Ref 22 , Ref 23 ). The effect of friction in enhancing centerline hydrostatic...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
..., next provides an overview of bearing materials, and then presents the various lubrication mechanisms: hydrostatic, hydrodynamic, boundary lubrication, elastohydrodynamic, and squeeze-film lubrication. The article describes the effect of debris and contaminant particles in bearings. The steps involved...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... additives that are chemically reactive under extreme pressure to prevent scuffing. These chemical reactions are usually carefully controlled to minimize detrimental effects. Each type of additive in oil produces selected effects that are too numerous to tabulate here. One effect is to alter friction...