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low-pressure countergravity casting

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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.a0005221
EISBN: 978-1-62708-187-0
... foundries. Thus, new melt-handling technology would be developed for future foundries whereby countergravity filling of molds would be recommended as capable of routinely producing substantially defect-free castings (see the article “Low-Pressure Countergravity Casting” in this Volume). As noted...
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
...  Gravity   Static top pour Nonferrous and metal-matrix composites (MMCs) 3 Yes Medium to large …   Tilt pour Nonferrous 3 Yes Medium to large …  Low-pressure permanent mold (LPPM)   Standard LPPM Light metals 3 Yes Medium …   Vacuum riserless casting/pressure   riserless...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0009017
EISBN: 978-1-62708-187-0
... 3.96 3Al 2 O 3 · 2SiO 2 3.15 Magnesium alloys Mg 1.57 MgO 3.58 Copper alloys Cu 8.00 CuO 6.00 ZnO 5.61 SnO 6.45 BeO 3.01 Iron alloys Cast iron 6.97 Low-carbon steel 7.81 2% C steel 6.93 FeO 5.70 Fe 2 O 3 5.24 Fe 3 O 4 5.18...
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
... for shrinkage compensation. These developments were adapted to premium engineered plaster and dry sand parts. High-speed rotors and impellers were excellent examples, but many other premium engineered casting configurations were made by low-pressure mold filling. Second, countergravity mold-filling...
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...
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...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006303
EISBN: 978-1-62708-179-5
... must always be introduced into the mold at the lowest point and at the correct low speed, so that the mold cavity fills only in an upward direction. No downward flow in the mold cavity should be allowed. This especially applies to “‘waterfall” conditions, which are highly damaging to the casting...
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
... in the chassis and suspension systems of automobiles and light trucks. Squeeze casting was the first variation on HPDC to prove capable of ural aluminum castings such as steering knuckles. Now the low pressure casting process (LPPM) and its variations such as VRC/PRC and CPC/PCPC are equally able to provide...