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conventional sinter method

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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 such as...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... by conventional internal oxidation. Mechanical properties are superior to those of the same material made by the press-sinter-repress method. Conventional blending or mechanical mixing of silver and cadmium oxide powders begins by dissolving the proper amounts of silver and cadmium metals in...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003112
EISBN: 978-1-62708-199-3
... Abstract Iron powders are the most widely used powder metallurgy (P/M) material for structural parts. This article reviews low to medium density iron and low-alloy steel parts produced by the pressing and sintering technology. It explains different powder production methods, including Hoeganaes...
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
... forging, the extensive unconstrained lateral flow of metal results in a stress state around collapsing pores that is a combination of normal and shear stresses. The combination of normal pressure and shear stress allows this method of P/F to be applied to hot, warm, and cold states. A spherical pore...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003119
EISBN: 978-1-62708-199-3
... parts with a high concentration of interstitials (carbon and oxygen), low corrosion resistance, and inferior mechanical properties. Sintering at 1120 °C (2050 °F) in DA was the most widely used method for sintering stainless steels in the 1960s and 1970s. Dissociated ammonia is not only less...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... of the densification and fabrication methods used for monolithic advanced ceramics can be adapted for CMCs. These include cold pressing and sintering, hot pressing, reaction bonding, and hot isostatic pressing. In addition, some of the conventional methods used in polymer-matrix composites can be...
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 Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003113
EISBN: 978-1-62708-199-3
... coinciding step is sometimes needed. Due to the high cost 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...
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
... strength, fracture toughness, fatigue life, and resistance to corrosion and stress-corrosion cracking (SCC). Another advantage of advanced P/M processing methods, including the spray deposition/forming process, is in the production of new alloys (and composites) with metallurgical structures and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004024
EISBN: 978-1-62708-185-6
... ksi) and the tensile strength to be 590 MPa (85 ksi), which are reasonable die properties for aluminium forgings. The Young's modulus is also appropriate for this work. Table 4 Properties of two laser-sintered rapid prototyping steels   Units (SI) Test method Rapid steel, 1.0 Rapid...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003835
EISBN: 978-1-62708-183-2
... 5% NaCl immersion tests ( Ref 12 ), as Fig. 7 and Fig. 8 reveal. Immersion testing can also be used in conjunction with other experimental methods, such as mechanical tests, to assess corrosion resistance. Table 7 illustrates the results from such a test conducted on sintered 316L stainless...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003173
EISBN: 978-1-62708-199-3
..., furnace types, charging practices of metal melting methods, namely induction melting, cupola melting, arc melting, crucible melting, reaction melting, and vacuum melting, and the refractories and charging practice of reverberatory furnaces. Molten metal treatment of steels and aluminum also is discussed...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003172
EISBN: 978-1-62708-199-3
... lost foam casting metallic molds no-bake process permanent mold casting plaster casting sand molds semisolid casting vacuum molding MOLDING METHODS and materials encompass a wide range of options. Some molding (casting) processes are centuries old, while others did not exist two...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004001
EISBN: 978-1-62708-185-6
... gamma aluminides with particular reference to production scaleable techniques, including vacuum arc and cold-hearth melting, isothermal forging, conventional hot forging, and extrusion. The selection and design of manufacturing methods, in the context of processing-cost trade-offs for gamma titanium...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006629
EISBN: 978-1-62708-213-6
... Abstract This article focuses on wet chemical methods that have stood the test of time in laboratories around the world. It begins with a description of the appropriateness of classical wet methods. This is followed by sections on sampling procedures, basic chemical equilibria, and wet...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
... Abstract This article describes testing and characterization methods of ceramics for chemical analysis, phase analysis, microstructural analysis, macroscopic property characterization, strength and proof testing, thermophysical property testing, and nondestructive evaluation techniques...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005807
EISBN: 978-1-62708-165-8
..., often permit flame hardening to be done by a variety of methods. These include the spot or stationary method, progressive method, spinning method, and the combination progressive-spinning method. This article provides information on fuel gases used in flame hardening and their selection criteria for...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005791
EISBN: 978-1-62708-165-8
... steel nitriding, the nitrocarburizing of steel ( Ref 1 ) also is done by the plasma method. Ion nitriding, when compared to conventional (gas) nitriding, offers more precise control of the nitrogen supply at the workpiece surface. Other advantages of ion nitriding are: Improved control of case...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... discussion about the concept of the probability of detection (POD), on which the statistical reliability of crack detection is based. The coverage includes the various methods of surface inspection, including visual-examination tools, scanning technology in dimensional metrology, and the common methods of...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001241
EISBN: 978-1-62708-170-2
... nitride, the strength depends on the sintering aids used and the sintering methods applied (pressureless sintering, hot pressing, hot isostatic pressing, etc.). Ceramic materials are analogous to metals in that their composition, microstructure, and strength influence grindability. Table 2 compares the...