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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
...Abstract Abstract This chapter discusses the various factors pertinent to gravity permanent mold (GPM) castings, along with their advantages, limitations, and significance. The discussion covers the geometric factors, process and manufacturing elements, gating practices, and feeding principles...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
... This chapter begins with information on the historical development of aluminum alloy castings. It then covers the basic factors involved in the selection of a casting process. This is followed by sections describing the various categories of casting processes and their variants: expendable mold gravity-feed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410091
EISBN: 978-1-62708-280-8
...Abstract Abstract This chapter is a collection of tables listing: cast alloy designations of Aluminum Association, along with their general applications; the chemical compositions of the frequently used alloys for gravity permanent molds, low-pressure permanent molds, squeeze castings, and die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190089
EISBN: 978-1-62708-296-9
...) or hypereutectic (phosphorus) silicon crystals. The microstructure images reveal the as-cast state of gravity castings made in sand and metal molds, before and after modification. The chapter also provides composition data and includes callouts identifying various phase constituents in the interdendritic eutectic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... lengths, ram velocities, and energy and stiffness requirements. It also includes information on gravity- and power-drop hammers and where and how they are typically used. gravity-drop hammers hydraulic presses mechanical presses power-drop hammers screw presses 11.1 Introduction 11.2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240095
EISBN: 978-1-62708-251-8
..., gravity, micro, and inverse. The chapter also provides information on grain refinement and secondary dendrite arm spacing and porosity and shrinkage in castings. It concludes with a brief overview of six of the most important casting processes in industries: sand casting, plaster mold casting, evaporative...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270100
EISBN: 978-1-62708-301-0
...Abstract Abstract After several failed attempts to lower their starboard wheels for landing, pilots engaged the help of gravity through g-force maneuvers and managed to coax the wheels into place. An inspection following the incident revealed a broken universal joint in one of the linkages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... covered also include gravity permanent molding, low-pressure permanent molding, counter pressure, squeeze casting, investment casting, rapid prototype casting, cast forge hybrid, and semisolid metal processes. green sand casting no-bake molding vacuum molding evaporative foam casting gravity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030147
EISBN: 978-1-62708-349-2
..., and voids that occur in honeycomb core composites. The final section of the chapter discusses void documentation through the use of nondestructive inspection techniques and density/specific gravity measurement methods. composite materials honeycomb core composites ply-drops void analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410247
EISBN: 978-1-62708-280-8
... members Investment casting A201 T7/T4, 206 T7/T4 Wheels Low pressure permanent mold casting A 356 T6 Agriculture Lawn mower decks Die casting 380 Tractor transmission housings Gravity permanent mold casting, low pressure permanent mold casting 356 T6, A 356 T6 Oil pans Gravity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.9781627083355
EISBN: 978-1-62708-335-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140007
EISBN: 978-1-62708-335-5
... in a specific process to produce defect-free, sound castings. For gravity casting, the components of castability are generally considered to be fluidity as the measure of mold-filling capability, resistance to hot cracking during and after solidification, and feeding characteristics that promote the flow...
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
.... and Greil P. , Review: Aqueous Tape Casting of Ceramic Powders , Mater. Sci. Eng. A , Vol 202 , 1995 , p 206 – 217 10.1016/0921-5093(95)09785-6 • Kipphut C.M. , Bose A. , Farooq S. , and German R.M. , Gravity and Configurational Energy Induced Microstructural Changes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410009
EISBN: 978-1-62708-280-8
... engineer evaluates the impact of these changes on the stress distribution using the FEA. The detailed solidification analysis with production-representative mold, feeders, and gating is very important, especially for gravity permanent and low-pressure permanent mold casting processes. The analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.9781627082808
EISBN: 978-1-62708-280-8
Book Chapter

By Eren Billur
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400181
EISBN: 978-1-62708-316-4
... of the reservoir ( Ref 12.5 , 12.13 ). Depending on the press design, the reservoir may be ( Ref 12.2 , 12.5 , 12.12 ): Mounted on the press crown to take advantage of gravity during prefill ( Fig. 12.2c ) Built in the press frame, which is common in gap-frame presses A unit separate from...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220253
EISBN: 978-1-62708-341-6
... to the forging, extrusion, or other station under the force of gravity. In a fully automatic system, loading and unloading of workpieces is done automatically. Robot drives are generally of three types: pneumatic, hydraulic, and electric. The pneumatic type is best suited for fast cycle rates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870373
EISBN: 978-1-62708-314-0
... of unidirectional composite materials Property E glass/epoxy Aramid/epoxy High-strength carbon/epoxy Intermediate-modulus carbon/epoxy Specific gravity 2.1 1.38 1.58 1.64 0° tensile strength, ksi 170 190 290 348 0° tensile modulus, msi 7.60 12.0 18.9 24.7 90° tensile strength, ksi...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420429
EISBN: 978-1-62708-310-2
... Grain Refinement and Secondary Dendrite Arm Spacing B.6 Porosity and Shrinkage Thermal Supercooling Constitutional Supercooling Chill Zone Columnar Zone Center-Equiaxed Zone Normal Segregation Gravity Segregation Microsegregation Inverse Segregation Rapid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780115
EISBN: 978-1-62708-281-5