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isostatic pressing

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006042
EISBN: 978-1-62708-175-7
... Abstract This article discusses metal powder processing via hot isostatic pressing (HIP) and HIP cladding when metal powders are being employed in the cladding process. It traces the history of the process and details the equipment, pressing cycle, and densification mechanisms for HIP...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006140
EISBN: 978-1-62708-175-7
... Abstract Prealloyed (PA) powder metallurgy is a technique where complex near-net shape titanium aircraft components are fabricated with low buy-to-fly ratios. This article describes the physical principle, mechanism, and simulation and modeling of metal can and hot isostatic pressing (HIP...
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
... Abstract This article describes the unique aspects of cold isostatic pressing (CIP) in comparison with die compaction, for powder metallurgy parts. It details the components of CIP equipment, including pressure vessels, pressure generators, and tooling material. The article reviews the part...
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
... Abstract Hot isostatic pressing (HIP) is used to eliminate porosity in castings. This article provides a history and an overview of the HIP system. It illustrates the reasons for using HIP and discusses the criteria for selecting HIP process parameters. The main mechanisms by which pores...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006552
EISBN: 978-1-62708-290-7
... Abstract Hot isostatic pressing (HIP) is widely used within the additive manufacturing (AM) industry to improve material performance and ensure quality. This article is a detailed account of the HIP process, providing information on its equipment set up and discussing the applications...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005509
EISBN: 978-1-62708-197-9
... Abstract This article discusses the two major applications of hot isostatic pressing (HIP), such as healing of inherent internal defects in castings and welds, and consolidation of powder materials. It describes the design principles of the HIP tooling, as well as the problems associated...
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Published: 01 June 2016
Fig. 15 Effect of hot isostatic pressing (HIP) on scatterband of stress-rupture data of polycrystalline IN-738 casting with Larson-Miller parameter = T (C + log t ), where C is the Larson-Miller constant, T is absolute temperature, and t is time in hours. For this plot, C = 20 and T More
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Published: 01 June 2016
Fig. 16 Beneficial effect of hot isostatic pressing (HIP) on high-cycle fatigue of polycrystalline cast René 80 nickel-base superalloy More
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Published: 01 June 2016
Fig. 22 Effect of hot isostatic pressing (HIP) on high-cycle fatigue behavior of longitudinal AM3 single-crystal directionally solidified cast alloy at 870 °C (1600 °F) More
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Published: 01 January 1990
Fig. 14 Effect of hot isostatic pressing on stress-rupture properties of cast IN-738. Test material was hot isostatically pressed at 1205 °C (2200 °F) and 103 MPa (15 ksi) for 4 h. (a) Test conditions: 760 °C (1400 °F) and 586 MPa (85 ksi). (b) Test conditions: 980 °C (1800 °F) and 152 MPa (22 More
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Published: 01 January 1990
Fig. 22 Effect of thermal gradient, orientation, and hot isostatic pressing on the strain-controlled low-cycle fatigue behavior of CMSX-2 (fully reversed, with frequency of 0.33 Hz) at 760 °C (1400 °F). Numbers represent the deviation, in degrees, from the [001] orientation. (a) Strain versus More
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Published: 30 September 2015
Fig. 41 Schematic pressure-temperature schedule for hot isostatic pressing (a) with the powder or green article encapsulated in a can, and (b) for the sinter/HIP process without a can More
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Published: 30 September 2015
Fig. 7 Hot isostatic pressing densification maps for a nickel-base superalloy powder having a particle diameter of 50 µm (2 mils). (a) Density as a function of pressure (pressure expressed as the log of the ratio of applied hydrostatic pressure over flow stress) when processed at constant More
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Published: 30 September 2015
Fig. 1 PM gear production process. CIP, cold isostatic pressing; HIP, hot isostatic pressing More
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Published: 30 September 2015
Fig. 13 As-tempered hardness of a hot isostatic pressing powder metallurgy cold working tool steel with 6.8% Cr and 5.4% V after austenitizing from 1080, 1100, or 1150 °C (1975, 2010, or 2100 °F). Adapted from Ref 62 More
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Published: 30 September 2015
Fig. 9 (a) Typical hot isostatic pressing (HIP) vessel. (b) Schematic of the wire-wound unit. Courtesy of Avure Technologies. Source: Ref 13 More
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Published: 30 September 2015
Fig. 6 Ti-6Al-4V round bars manufactured by cold isostatic pressing/sintering/rotary forging from TiH 2 powder More
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Published: 30 September 2015
Fig. 8 Titanium alloy shapes produced by cold isostatic pressing plus sintering. (a–e) Typical parts and preforms. (f) Typical microstructure of Ti-6Al-4V CIP and sintered preform. Courtesy of ADMA Products, Inc. More
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Published: 30 September 2015
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. More
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Published: 30 September 2015
Fig. 14 (a) Latex bag used to contain beryllium powder for cold isostatic pressing. (b) Green near-net shape preform More