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aluminum casting alloys

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005302
EISBN: 978-1-62708-187-0
... Abstract Grain refinement in aluminum casting alloys tends to reduce the amount of porosity and the size of the pores and to improve mechanical properties, especially fatigue strength. This article provides information on measurement of grain size in alloys and describes the mechanisms of grain...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005331
EISBN: 978-1-62708-187-0
... Abstract This article begins with a discussion on the effects of alloying and impurity elements on the properties of aluminum cast alloys and their chemical compositions. It describes various means of structural control, namely, chemistry control, control of element ratios based on the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003128
EISBN: 978-1-62708-199-3
... alloys. The article discusses the typical mechanical properties and mechanical-property limits for aluminum sand casting alloys, permanent mold casting and die casting alloys based on tests of separately cast specimens; and typical mechanical properties of premium-quality aluminum alloy castings and...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006264
EISBN: 978-1-62708-169-6
... Abstract This article presents a detailed discussion on typical thermal treatment practices for hardening of various aluminum casting alloys. These practices are solution treatment, quenching or cooling, preaging, and artificial aging at an elevated temperature. The aluminum casting alloys...
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
... Abstract Aluminum casting alloys are the most versatile of all common foundry alloys and generally have the highest castability ratings. This article provides an overview of the common methods of aluminum shape casting. These include gravity casting, die casting, sand casting, lost foam casting...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003127
EISBN: 978-1-62708-199-3
... Abstract Aluminum casting alloys are the most versatile of all common foundry alloys and generally have the highest castability ratings. Aluminum alloy castings are routinely produced by pressure-die, permanent-mold, green and dry-sand, investment, and plaster casting. This article describes...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005301
EISBN: 978-1-62708-187-0
... Abstract This article focuses on aspects important for the commercial production of castings. It discusses the modification process in hypoeutectic and eutectic alloys that differ only in the relative volume fraction of primary aluminum and aluminum-silicon eutectic. The article explains how...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003815
EISBN: 978-1-62708-183-2
... 2 O 2 at 25 °C (77 °F), using a 0.1 N calomel electrode. Original data from Alcoa Laboratories. (b) Varies ±0.01 V with quenching rate. (c) Varies ±0.02 V with quenching rate Table 3 Solution potentials of cast aluminum alloys Alloy Temper Type of mold (a) Potential (b...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003121
EISBN: 978-1-62708-199-3
... Abstract Aluminum and its alloys are used in a broad range of applications. This article discusses the primary and secondary production of aluminum and the classification system for cast and wrought products. It describes some of the more common manufactured forms, including commercial wrought...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005260
EISBN: 978-1-62708-187-0
.... Metals that can be cast in permanent molds include the aluminum, magnesium, zinc, and copper alloys and hypereutectic gray iron. Manually operated permanent molds for low production may consist of a simple book-type mold arrangement ( Fig. 2 ). For castings with high ribs or walls that...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001308
EISBN: 978-1-62708-170-2
... of about 8) are recommended, although some alloys can be safely processed in compounds having a pH as high as 9. Barrels used for aluminum are basically the same as those used for processing steel. However, barrels made of steel or cast iron should be lined with rubber or similar material to...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003130
EISBN: 978-1-62708-199-3
.../temper ratings for general corrosion and SCC that appear in Table 1 for wrought alloys and Table 2 for casting alloys. Table 1 Relative ratings of resistance to general corrosion and to SCC of wrought aluminum alloys Alloy Resistance to corrosion No. Temper General (a) SCC (b...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000620
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of cast aluminum alloys and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the brittle fracture, microvoid coalescence, fatigue...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003175
EISBN: 978-1-62708-199-3
... Abstract Aluminum alloys are primarily used for nonferrous castings because of their light weight and corrosion resistance. This article discusses at length the melting and metal treatment, structure control, sand casting, permanent mold casting, and die casting of aluminum alloys. It also...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003123
EISBN: 978-1-62708-199-3
... designations and composition limits for aluminum alloys in the form of castings and ingot. It provides helpful information on the Unified Numbering System (UNS) numbers and its corresponding AA numbers for aluminum and aluminum alloys, and the international alloy designations cross-referenced to its equivalent...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005303
EISBN: 978-1-62708-187-0
.... Permanent mold casting is best suited for tin, silicon, aluminum and manganese bronzes, and yellow brasses. Dies casting is well suited for yellow brasses, but increasing amounts of permanent mold alloys are also being die cast. Size is a definite limitation for both methods, although large slabs weighing...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005307
EISBN: 978-1-62708-187-0
... produced by semisolid casting methods. Zinc-matrix metal-matrix composites have also been produced by various foundry methods. Zinc has a relatively low melting point of 420°C (788 °F) and forms a eutectic with aluminum at 5% Al and 382 °C (720 °F). Thus, aluminum is the principal alloying element in the...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005247
EISBN: 978-1-62708-187-0
... typically found in aluminum casting alloys. On the Mohs scale, silicon is 6.5 versus corundum at 7. (The corundum form of Al 2 O 3 is a common medium for abrasively cutting and grinding hardened metals.) On the Knoop microhardness scale, silicon particles have been measured at 1100 and above, whereas...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006288
EISBN: 978-1-62708-169-6
... only solid-solution alloys, but some wrought 4 xxx alloys (e.g., 4032) have suitable magnesium additions to make the alloys heat treatable with strengthening from Mg 2 Si. The wrought aluminum-lithium alloys comprise certain alloys in the 2 xxx and 8 xxx series. The age-hardenable cast alloys...