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melt infiltration

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... , Handbook on Continuous Fiber-Reinforced Ceramic Matrix Composites , Ceramics Information Analysis Center , 1995 , p 205 – 268 • Luthra K.L. and Corman G.S. , “ Melt Infiltrated (MI) SiC/SiC Composites for Gas Turbine Applications ,” Technical Information Series , GE Research and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... • Luthra K.L. and Corman G.S. , “ Melt Infiltrated (MI) SiC/SiC Composites for Gas Turbine Applications ,” GE Research and Development Center , Technical Information Series , 2001 • Mah T. et al , Ceramic Fiber Reinforced Metal-Organic Precursor Matrix Composites , Fiber...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... raise health hazard concerns. Fig. 20.4 Silicon carbide whiskers Short fibers are also used to reinforce MMCs; for example, Saffil short alumina fibers are used in aluminum matrices. Short fiber reinforced MMCs can also be produced by melt infiltration, squeeze casting, or powder blending...
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
... Abstract Ceramics normally have high melting temperatures, excellent chemical stability and, due to the absence of conduction electrons, tend to be good electrical and thermal insulators. They are also inherently hard and brittle, and when loaded in tension, have almost no tolerance for flaws...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310201
EISBN: 978-1-62708-286-0
... Abstract This chapter provides a basis for understanding the influence of stainless steel alloy composition and metallurgy on the welding process, which involves complex dynamics associated with melting, refining, and thermal processing. It begins with an overview of the welding characteristics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
... preform with molten metal is subjected to isostatically applied gas pressure. After the mold is preheated and the aluminum melt has reached the desired superheat temperature, inert gas pressure in the range of 1 to 10 MPa (150 to 1500 psi) is applied. As liquid aluminum infiltrates the preform, the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170596
EISBN: 978-1-62708-297-6
..., the high temperature melts the infiltrant; consequently, the heat of fusion absorbs (quenches) a portion of the heat generated by the arc. Theoretically, the skeleton, which is made of a high-melting element, will not begin to melt until all the low-melting component evaporates. The refractory...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550457
EISBN: 978-1-62708-307-2
..., the mold and preform are heated to a predetermined temperature, so that the molten aluminum does not solidify upon contact and choke off infiltration. After the mold is preheated and the aluminum melt has reached the desired superheat temperature, inert gas pressure in the range of 2 to 10 MPa (300 to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050173
EISBN: 978-1-62708-311-9
...-hardened part can be important. Parts that are heated with high austenitizing temperature can have surface defects such as blisters or solidified melts. Another common effect is the formation of scale during austenitizing. Scale formation is a natural product of all steel parts that are heat treated by...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870179
EISBN: 978-1-62708-299-0
... metal. The combination of light weight, environmental resistance, and useful mechanical properties has made aluminum alloys very popular; these properties also make aluminum well suited for use as a matrix metal. The melting point of aluminum is high enough to satisfy many application requirements, yet...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... is to use the sintered distended stainless steel as a skeleton for infiltration of a lower-melting-temperature material to fill the pores. A related idea adds nitrogen to the hot binder; on cooling in the mold, the nitrogen precipitates out of solution to generate gas-filled pores. The resulting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000131
EISBN: 978-1-62708-312-6
... taken from Lewis as well as from Davis ( Ref 20 ). Definitions of some of the less commonly used physical properties are as follows. Melting range is defined by the solidus and liquidus temperatures of an alloy. Specific heat is the quantity of heat required to change by 1 degree the temperature...
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
..., binder jetting, and slurry casting, are performed near room temperature. On the other hand, processes such as injection molding and extrusion melt the binder to form a viscous slurry. Solvents act to plasticize the binder, providing a low viscosity at room temperature without heating. This is the case...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
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
... alloy particles. (a) As-received particle. (b) After 1 h. (c) After 2 h. (d) After 4 h. (e) After 8 h. (f) After 16 h. Source: Ref 4 The mechanical disintegration of a melt, known as atomization, has become the most flexible and important method for producing metal powders for P/M use. There...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050093
EISBN: 978-1-62708-311-9
... present. These residual elements are unavoidable because they are retained from the raw materials used in melting. However, as a rule, small amounts of these elements have little or no disadvantage to the intended use. To impart special characteristics or properties for engineering applications, one or...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
.... Therefore, small samples are desired. For feedstock, the most common tests are density, melt flow, or viscosity. If small samples exhibit the same density or viscosity, then the mixture is homogeneous at that scale of scrutiny. Besides density and viscosity, other possible measures of homogeneity may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290279
EISBN: 978-1-62708-306-5
... subsequent processing or in service. The principal factors that are responsible for failure (cracking) of dissimilar metal arc welds include general alloying problems (brittle phase formation and limited mutual solubility) of the two metals, widely differing melting temperatures ( T m ), CTE differences...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... are used exclusively for aluminum die casting. Hot chamber die casting machines are more popular for alloys that melt at low temperatures, such as zinc, lead or tin. Figure 4.6 illustrates the basic elements of a die casting machine cell. The machine is equipped with a robot for metal...