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activated liquid-phase sintering

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000059
EISBN: 978-1-62708-312-6
... corrosion resistance because of crevice corrosion ( section 5.2.2 in this chapter). Of the two common methods for liquid-phase sintering, supersolidus and activated sintering, the former is of lesser interest with stainless steels because of their high solidus temperatures of over 1350 °C (2462 °F) and the...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... 10.1023/A:1018613316157 2. German R.M. , Suri P. , and Park S.J. , Review: Liquid Phase Sintering , J. Mater. Sci. , Vol 44 , 2009 , p 1 – 39 10.1007/s10853-008-3008-0 3. Komeya K. and Inoue H. , Sintering of Aluminum Nitride: Particle Size Dependence of...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... Metallurgy and Particulate Materials , Metal Powder Industries Federation , Princeton, NJ , 2017 , p 364 – 373 • Kamada K. , Nakamura M. , and Horie H. , Development of High Strength P/M SUS 630 Stainless Steels Utilized by the Liquid Phase Sintering , Proceedings of the 2000 Powder...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... require lubrication. A liquid lubricant is often used because of the ease of application. One must take into consideration any undesirable effects on the performance of the component arising from the entrapment of such lubricants in the pores. In comparison to powder compaction, these operations can be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... welding techniques, defect prevention, fixturing, heat treatments, and general practices, including the use of filler metals. It also discusses several solid-state welding methods, superplastic forming, and transient liquid phase bonding, a type of diffusion welding process. The chapter includes extensive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
..., continuous fiber ceramic composites, and carbon-carbon composites. It also describes a number of ceramic-matrix composite processing methods, including cold pressing and sintering, hot pressing, reaction bonding, directed metal oxidation, and liquid, vapor, and polymer infiltration. ceramic-matrix...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
... problem of low compressibility, that is, low green density and/or low green strength, is solved by high-temperature and liquid-phase sintering and through the use of special consolidation methods such as hot isostatic pressing and extrusion. Although the term annealing refers to a heat treatment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240017
EISBN: 978-1-62708-251-8
... grain-boundary wetting is desirable, such as during liquid phase sintering of carbide cutting tools. Here, a cobalt matrix wets the tungsten carbide particles and binds them together during sintering. Fig. 2.31 Effects of dihedral angle on second-phase shape. Source: Ref 2 Twinning is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
.... It was found that the aluminum and silicon additions were generally located at the grain boundaries after pressureless sintering, thus suggesting a liquid-phase sintering effect. Studies of the effects of other elements on sinterability showed that germanium, silver, and copper have an activating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000147
EISBN: 978-1-62708-312-6
... the part. Even simple degreasing of a porous PM part with an organic solvent should be done with care, because most cleaning liquids will be trapped within the pores and must be removed prior to testing. It should be mentioned that the primary purpose of so-called passivation treatments—that is...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
... shape definition at reduced cost. In continuing efforts to lower the cost of MIM powders, development efforts in the past few years have been devoted to the use of less expensive coarser powders and the feasibility of liquid-phase and supersolidus sintering. In the most common version of MIM, a...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000023
EISBN: 978-1-62708-312-6
... phase is recovered by subsequent deoxidation with silicon. The main difference between wrought and PM stainless steel is that, in the former, the undesirable silicon dioxide is removed via the slag, whereas in PM it remains in the product unless it is removed or reduced during sintering. In some high...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550511
EISBN: 978-1-62708-307-2
... fabricated into a fully dense ceramic body using existing conventional processing techniques. The 3 to 5% volume increase associated with the tetragonal-to-monoclinic phase transformation causes any pure ZrO 2 body to completely destruct upon cooling from the sintering temperature. Additives such as calcia...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130395
EISBN: 978-1-62708-284-6
...-phase alloy. The hard-phase alloy is essential for wear resistance at elevated temperatures, to which the exhaust valve seat is subjected. Oxidation of the hard phase was observed after sintering. The parameters that can cause oxidation after sintering are: Operation 4M parameter Observation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290067
EISBN: 978-1-62708-319-5
..., polypropylene). Sacrificial phases, such as water, toluene, and ethanol, are added to fill voids between the particles and lower viscosity. Consider that molten polyethylene is 10,000 times more viscous than molten paraffin wax. Thus, paraffin wax is selected for easier shaping. Liquids, such as water or...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290139
EISBN: 978-1-62708-319-5
... removed from the right face in this view. Powder-binder techniques enable tremendous shape-making flexibility, realized by using a binder phase that must be removed prior to sintering. Compared to shaping techniques, binder removal is a slow step. For example, an early report on injection molding...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310001
EISBN: 978-1-62708-326-3
... Society for Metals , 1962 , p 112 Atoms interact with one another to form different states (or phases) of matter. The four fundamental states of matter are solid, liquid, gas, and plasma. Atoms are less tightly bound in liquids and gases than they are in solids, which results in a high degree of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060013
EISBN: 978-1-62708-261-7
... properties. Atoms interact with one another to form different states (or phases) of matter. The four fundamental states of matter are solid, liquid, gas, and plasma. Atoms are less tightly bound in liquids and gases than they are in solids, which results in a high degree of atomic mobility between atoms...