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countergravity low-pressure vacuum process

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005265
EISBN: 978-1-62708-187-0
...-pressure vacuum process, countergravity low-pressure inert atmosphere process, countergravity pressure vacuum process, supported shell technique, loose sand vacuum process, and countergravity centrifugal casting process. countergravity centrifugal casting low-pressure countergravity casting mold...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005187
EISBN: 978-1-62708-187-0
... structural castings, such as those in the chassis and suspension systems of automobiles and light trucks. Squeeze casting was the first variation on HPDC to prove capable of structural aluminum castings, such as steering knuckles. Now, the low-pressure casting process and its variations, such as vacuum...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006519
EISBN: 978-1-62708-207-5
... for the production of castings with extremely thin sections, knife edges and sharp detail. Because hot molds improve metal fluidity, metal can be poured at a comparatively low temperature. Additionally, vacuum, pressure, and centrifugal casting techniques used in the investment process facilitate the flow of metal...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005287
EISBN: 978-1-62708-187-0
... extensive chilling was used, but it was always a factor in permanent mold. For this reason, and to overcome other low-pressure process limitations, vacuum riserless casting (VRC) was developed in the early 1960s. Rather than pressurize a contained molten reservoir, the application of a vacuum on the mold...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006533
EISBN: 978-1-62708-207-5
.... , A Case for Low Pressure Sand Casting of Aluminum , Mod. Cast. , Feb 2016 • Grassi J. , Campbell J. , Hartlieb M. , and Major F. , The Ablation Casting Process , Mater. Sci. Forum , Vol 618–619 , 2009 , p 591 – 594 • Taghipourian M. , Mohammadaliha M...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005255
EISBN: 978-1-62708-187-0
... still further. Their low melting points and low melt viscosities make them easy to compound, inject, assemble into clusters, and melt out without cracking the thin ceramic shell molds. These properties allow waxes to be injected at low temperatures and pressures, and this, combined with their lack...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005186
EISBN: 978-1-62708-187-0
... century 1900s 1900—Brinnell hardness test machines introduced. Aluminum-bronze in regular production in the United States. Early 1900s—First patent for low-pressure permanent mold casting process issued to England's E.H. Lake. 1901—American Steel Foundries (St. Louis) produces the first...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009015
EISBN: 978-1-62708-187-0
.... Permanent Mold Casting Permanent mold processes involve the production of castings by pouring molten metal into permanent metal molds using gravity, low pressure, vacuum or centrifugal pressure. Simple reusable cores are usually made of metal. More complex cores are made of sand, plaster, ceramics...