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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... Abstract This chapter provides details on powder-binder processing for three materials, namely precipitation-hardened 17-4 PH stainless steel, cemented carbides, and alumina. The types of powders, binders, feedstock, shaping processes, debinding, sintering cycles, compositions, microstructure...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290193
EISBN: 978-1-62708-319-5
... procedure. Mechanical hardness and strength tabulations are provided to document sintered properties. mechanical properties performance test sintering Sintering produces a strong engineering component. Properties are dominated by composition, such as the high density associated with tungsten...
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: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... ceramics porous structures foams design criteria Powder-binder processing evolved by following advances in plastics technologies. Subsequently, ideas such as additive manufacturing developed for future opportunities in metallic, ceramic, and composite structures. Early success in ceramics shaping...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
... important to success. An example is powder injection molding. In powder injection molding, a forming window exists that defines successful mold filling, as shown in Fig. 5.1 . Although schematic in form, the forming window idea emerges in terms of the temperature range and composition range over which...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... reaction Powders are fabricated to meet requirements of composition, particle size, particle shape, and interparticle friction. Ways to identify a powder include size distribution and packing density as measured using standardized tests. Powder production is done through several approaches. The main...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
... manmade polymers and the plastics industry. Powder shaping takes on these ideas using a combination of binders (often polymers both natural and synthetic) and inorganic powders (metals, alloys, ceramics, composites), enabling improved processing ideas such as powder extrusion, freeform fabrication without...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290035
EISBN: 978-1-62708-319-5
... toothpaste or cosmetics, for engineering components produced with binder assistance, the binder is removed prior to sintering. Some examples of engineering components where the binder remains in the final product are bonded magnets, tungsten-polymer composites for radiation shields, and metal-polymer...
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
... without scientific underpinnings, the formulations converge to give a robust range of workable solutions, as illustrated in this chapter. Early binder formulations arose from empirical trials. In the 1940s, the production of porous tubes and plates relied on binder compositions tailored to low...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
... pressure show a declining rate of densification as pressure increases. The harder the particles, the more difficult is the compaction. Figure 6.7 illustrates this characteristic for two compositions. One is aluminum powder (soft) and the other is a harder composition of aluminum and steel powders. The...
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
... preferentially fill small pores. Binder transport occurs from the component interior by various combinations of solvation or decomposition—treated as a shrinking core problem. Gradients exist in terms of temperature, binder concentration, atmosphere composition, or solvent concentration; the gradients...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... compositions or mixed powders. On heating, the liquid nucleates on the surface of contacting particles as a eutectic liquid. After sintering, the microstructure consists of two phases, made predominantly of grains that remained solid surrounded by solidified liquid. Figure 8.6 is an example micrograph of a...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290261
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... ductility as well as creep, fatigue strength, and fatigue crack growth rate. It also discusses the influence of other titanium phases and the properties of titanium-based intermetallic compounds, metal-matrix composites, and shape-memory alloys. alloy composition alpha titanium alloys alpha-beta...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730115
EISBN: 978-1-62708-283-9
... Abstract This chapter discusses the properties and uses of fiber-reinforced composites. It also describes the effect of volume fraction and fiber length. fiber length fiber-reinforced composites WITH COMPOSITE MATERIALS, combinations of properties can be achieved that could not be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... Abstract Unlike metals, in which fatigue failures are due to a single crack that grows to a critical length, the effects of fatigue in composites are much more distributed and varied. As the chapter explains, there are five major damage mechanisms that contribute to the progression of composite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
... Abstract Polymer-matrix composites are among the lightest structural materials in use today. They are also highly resistant to corrosion and fatigue and their load-carrying capabilities, such as strength and stiffness, can be tailored for specific applications. This chapter discusses the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
... Abstract Metal-matrix composites can operate at higher temperatures than their base metal counterparts and, unlike polymer-matrix composites, are nonflammable, do not outgas in a vacuum, and resist attack by solvents and fuels. They can also be tailored to provide greater strength and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... Abstract Ceramic-matrix composites possess many of the desirable qualities of monolithic ceramics, but are much tougher because of the reinforcements. This chapter explains how reinforcements are used in ceramic-matrix composites and how they alter energy-dissipating mechanisms and load...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730081
EISBN: 978-1-62708-283-9
... Abstract This chapter discusses the composition, properties, and uses of crystalline ceramics, glasses, clay, and concrete mixes. It also discusses the carbon structure of diamond, graphite, fullerenes, and nanotubes. amorphous carbon clay concrete mixes crystalline ceramics diamond...