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wet-bag isostatic pressing

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006074
EISBN: 978-1-62708-175-7
... Equipment Wet-Bag Isostatic Pressing Part Size and Shape Powder Properties Process Parameters Pressure Vessels Pressure Generators Depressurization Design Control and Safety Features Tooling Tooling Material Billets Forging Preforms Near-Net Shapes Metal powder...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
.... Mechanical Consolidation Mechanical consolidation is an operation performed on prepared ceramic powders in order to form a shape that can be sintered. Many methods have been developed to accomplish this ( Table 1 ), including uniaxial dry pressing, cold isostatic pressing (using either wet or dry bag...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006053
EISBN: 978-1-62708-175-7
... of the extrusion process Fig. 7 Examples of different extruded shapes Fig. 8 Schematic of wet-bag cold isostatic pressing. An impervious moldable bag is filled with powder, evacuated, and subjected to an isostatic pressure using a water-based liquid medium at ambient temperature. Fig. 9...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006124
EISBN: 978-1-62708-175-7
... such as forging and extrusion blanks and sheet bars are typically consolidated by wet isostatic pressing, whereas smaller blanks for bar can be pressed using a dry-bag isostatic technique. Some manufacturers, notably wire producers, use hard tooling with hydraulic presses to manufacture wirebar. Molybdenum...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001105
EISBN: 978-1-62708-162-7
... Oxide Cermets Other Oxide-Containing Cermets Carbide-Base Cermets Carbonitride-Base Cermets Nitride-Base Cermets Oxide-Base Cermets Boride-Base Cermets Carbon-Containing Cermets Wet-Bag Method Dry-Bag Pressing Advantages and Disadvantages Bonding Solubility Wetting...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.9781627081955
EISBN: 978-1-62708-195-5
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003420
EISBN: 978-1-62708-195-5
... pressed is canned (or a steel bag is welded to a tool), evacuated, and then placed in the HIP chamber. For titanium, typical HIP parameters are 850 to 950 °C (1600 to 1700 °F) at 103 MPa (15 ksi) gas pressure for 2 to 4 h. Since HIP processing is a fairly expensive batch processing procedure, it is normal...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002465
EISBN: 978-1-62708-194-8
... Diffusion bond Aluminum, titanium, or stainless steel thin foil Metal fiber or man-made fiber (boron, alumina glass, carbon) Wound on steel tube, sealed and evacuated with metal bag Isostatic pressure in furnace Machine and finish Multiple hot press and diffusion bond Aluminum, titanium...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0009239
EISBN: 978-1-62708-173-3
... Wetting of base metals Good Good Good Good Brazing temperature < β transus < β transus > β transus Near or < β transus Formation of intermetallics in the brazed joint Yes Yes Yes Yes Working temperature <250 °C (≤480 °F) <400 °C (≤750 °F) ≤500 °C (≤930 °F) ≤600...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006488
EISBN: 978-1-62708-207-5
... or copper coatings are used on graphite particles that are incorporated in aluminum melts. In other cases, wetting agents, including magnesium and lithium, are added to the melts to promote wetting between the melts and reinforcements. Stir mixing and casting are now used for large-scale production...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003421
EISBN: 978-1-62708-195-5
... pyrolysis, residual porosity after a single impregnation is of the order of 20 to 30%. To reduce the amount of residual porosity, multiple impregnations are needed. Reimpregnation is typically conducted with a very-low-viscosity prepolymer, so that the slurry may wet and infiltrate the small micropores...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003827
EISBN: 978-1-62708-183-2
.... and Inouye H. , “The Reactions of Beryllium with Wet Carbon Dioxide,” Paper 32, Conference on Metallurgy of Beryllium, Institute of Metals , ( London ), Oct 1961 36. Raine T. and Robinson J.A. , The Corrosion of Beryllium with Calcium in CO 2 , J. Nucl. Mater. , Vol 5 ( No. 3...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002481
EISBN: 978-1-62708-194-8
... of a homogeneous mass, are included in this present discussion, while continuous-fiber-reinforced polymers are treated below. For reinforcements to have a beneficial effect, they must be wetted by the polymer so that load is transferred to them. Very short fibers and flakes increase the flexural modulus...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005220
EISBN: 978-1-62708-187-0
...-in of this surface film is then simply the wetting of two liquids that immediately mutually assimilate, forming spherical droplets that float out with maximum speed. As a result, calcium-treated steels are much cleaner than steels simply deoxidized with aluminum ( Ref 6 ). In addition, those residual oxides that do...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003163
EISBN: 978-1-62708-199-3
... temperature, and pressure-consolidated in an autoclave by a metallic vacuum bag. Aluminum/SiC MMCs exhibit increased strength and stiffness as compared with unreinforced aluminum, with no weight penalty. Tensile properties of 6061/SCS-2 composites are given in Table 10 . In contrast to the base metal...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006544
EISBN: 978-1-62708-290-7
... into the air by natural forces, such as wind, volcanic eruption, and by mechanical or man-made processes such as crushing, grinding, milling, drilling, demolition, shoveling, conveying, screening, bagging, and sweeping. Dust particles are usually in the size range from about 1 to 100 μm in diameter...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003005
EISBN: 978-1-62708-200-6
... in.) material. Powder methods create the shape by pressing and then sintering fine powders of the material. The powder may be cold pressed and sintered (heated to enhance densification), pressed in a heated die (hot pressing), or heated under hydrostatic pressure (hot isostatic pressing). Powder pressing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
...) states. A single ceramic product can involve several interim forming steps. A ceramic forming process, such as dry pressing or injection molding, can involve significant wet forming during slurry production prior to granulation and final-shape forming. Viscoelastic properties required by various...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... properties ( Ref 37 ). A coating is used to control the properties of the interface. The functions of a coating on the fiber are to: Control wetting and bonding Protect the fiber from mechanical damage Prevent fiber-to-fiber contact Couple fiber to matrix Control the interfacial shear...