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conventional sinter method

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Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002486
EISBN: 978-1-62708-194-8
... Abstract This article begins with a discussion on general powder metallurgy design considerations that assist in the selection of the appropriate processing method. It reviews powder processing techniques, conventional press-and-sinter methods, and full-density processes to understand...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006142
EISBN: 978-1-62708-175-7
... Abstract This article provides a basic introduction to the various aspects of full density powder metallurgy, including properties, applications, processing methods, and process parameters. full density powder metallurgy CONVENTIONAL POWDER METALLURGY (PM) technology is viewed...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006045
EISBN: 978-1-62708-175-7
... Abstract Consolidation of titanium powders at room temperature may be performed by low-cost conventional powder metallurgy processes. This article provides information on various consolidation methods, namely, die pressing, direct powder rolling, and cold isostatic pressing. It also describes...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006069
EISBN: 978-1-62708-175-7
... Abstract This article discusses two major sintering methods: pressureless and pressure-assisted sintering. Pressureless sintering techniques include vacuum and partial-pressure, hydrogen, and microwave sintering. Pressure-assisted consolidation techniques include overpressure sintering...
Book Chapter

By Erhard Klar
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003185
EISBN: 978-1-62708-199-3
..., electrochemical, atomizing, oxide reduction, and thermal decomposition processes. It also covers the consolidation of powders by pressing and sintering, as well as by high density methods. Further emphasis is provided on the distinguishing features of powders, their manufacturing processes, compacting processes...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006105
EISBN: 978-1-62708-175-7
... processes used in production of the component. Pressing of Copper Powders The most frequent method for the consolidation of copper powders is by conventional uniaxial pressing using opposing punches in a rigid die at ambient temperature. Copper powders are most often compacted using mechanical...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006556
EISBN: 978-1-62708-290-7
..., MJ, and photopolymerization methods produce a metal powder-polymer composite part that must be debound and sintered, much like a metal injection molding (MIM) powder metallurgy part. Although MIM of precious metals is not widely practiced, the fundamental principles of powder metallurgy and sintering...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003113
EISBN: 978-1-62708-199-3
... of the raw materials (carbonyl iron and binder), the MIM process is more expensive than conventional press-and-sinter methods. However, the capital equipment (presses) for injection molding is more economical than that for large-scale P/M presses. Tool life is at least 300,000 pieces. These factors help...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003129
EISBN: 978-1-62708-199-3
... Abstract This article provides an overview of the composition and properties of powder metallurgy (P/M) aluminum powders for pressed and sintered parts. It includes the steps involved in the processing of high-performance P/M alloys. The article describes the classes of high-performance P/M...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006132
EISBN: 978-1-62708-175-7
... to develop, the particle surface oxides must be reduced by some means. The highly stable oxide on the surface of aluminum powders is a challenge for conventional PM sintering practices, wherein hydrogen and low dew points are often leveraged to successfully remove this feature. From a thermodynamic...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006110
EISBN: 978-1-62708-175-7
... related to time and temperature, they have been listed in two categories. The first group primarily is associated with the early stages of sintering (conventional sintering practices), and the second group is related to the more advanced stages of sintering, typical of high-temperature methods. Early...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006091
EISBN: 978-1-62708-175-7
... are reduced to small particles in the shape of flakes, slugs, or shredded foil. These particles are oxidized and then consolidated with the press-sinter-extrude process. Material made by this method is more uniform than the same material made by conventional internal oxidation. Mechanical properties...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003054
EISBN: 978-1-62708-200-6
... resistance, and other properties. This article discusses the fundamentals of sintering and its effects on pore structures and particle density. It addresses some of the more common sintering methods, including solid-state, liquid-phase, and gas pressure sintering, and presents alternative processes...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003988
EISBN: 978-1-62708-185-6
... Abstract Powder forging is an extension of the conventional press and sinter powder metallurgy process, which is recognized as an effective technology for producing a variety of parts to net or near-net shape. This article focuses on the material considerations, such as powder characteristics...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002122
EISBN: 978-1-62708-188-7
... performance under difficult conditions when good toughness is essential ( Ref 1 ). Further, powder processing allows the production of high-speed tool steels with much greater alloy contents than are practical or possible by conventional ingot methods. Two examples of such highly alloyed high-speed tool...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003789
EISBN: 978-1-62708-177-1
... the pores rapidly without causing air bubbling in the epoxy. It is similar to the technique used to fill the pores with oil in a sintered bearing. Another method is to hold the specimen above the oil magnetically or with a vacuum feedthrough manipulator. After 1 to 2 min at low pressure, no air will remain...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006114
EISBN: 978-1-62708-175-7
... steel consolidation methods Table 2 Density range for PM steel consolidation methods PM method Density range, g/cm 3 Notes Pressed-and-sintered steel 6.9–7.1 Conventional powder metallurgy Double processing (press, presinter, restrike, full sinter, heat treat) 7.2–7.4 Restrike...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006117
EISBN: 978-1-62708-175-7
...-phase sintering. It describes the models for viscous sintering and the methods used in pressure-assisted sintering, namely, uniaxial hot pressing, hot isostatic pressing, sinter forging, and spark plasma sintering. activated liquid-phase sintering activated sintering computer simulation...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006583
EISBN: 978-1-62708-290-7
... materials. This article classifies the most relevant technologies into two groups based on the raw materials used: Powder-bed methods: Selective laser melting, also commonly described as direct metal laser sintering Electron beam melting Binder jet three-dimensional (3D) printing...
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
... continuum model. It concludes with information on the application of press and sinter modeling to practical problems in PM. discrete element method near-net shaping powder compaction powder injection molding powder metallurgy sintering POWDER METALLURGY (PM) is a process of shaping metal...