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Zinc-aluminum die casting alloy

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0048620
EISBN: 978-1-62708-225-9
.... Fasteners Intergranular corrosion Zinc-aluminum die casting alloy Stress-corrosion cracking The two nuts shown in Fig. 1(a) and (b) were used to secure the water-supply pipes to the threaded connections on hot-water and cold-water taps. The nut used on the cold-water tap ( Fig. 1a ) fractured...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001123
EISBN: 978-1-62708-214-3
... environment in a coastal area. It was recommended that proper chemical analysis of the zinc-aluminum alloy be carried out as a quality control procedure. Die castings Marine environments Zamak 3 Intergranular corrosion Intergranular fracture Background Extensive cracking was found in a batch...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001199
EISBN: 978-1-62708-235-8
... on the design of the gate and runner system and operating conditions. High flow efficiencies, with adequate feeding to all sections of the die, and short cavity fill times are desirable. Casting defects Die castings Surface defects Zinc-aluminum alloy Casting-related failures 1. Introduction...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001284
EISBN: 978-1-62708-215-0
..., presented in Table 1 , showed that the compositions of both risers conformed to requirements for alloy AM60A (ASTM B94). Results of chemical analysis Table 1 Results of chemical analysis Element Failed Failed Alloy AM60A riser 1 riser 2 requirements (ASTM B94) Aluminum 5.80 6.35...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
.... It presents the international classification of common casting defects in a tabular form. austenitic steels cast aluminum alloys cast iron casting casting defects casting design castings centrifugal casting corrosion-resistant castings discontinuities ductile iron gravity die casting gray...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... Abstract This article describes the characteristics of tools and dies and the causes of their failures. It discusses the failure mechanisms in tool and die materials that are important to nearly all manufacturing processes, but is primarily devoted to failures of tool steels used in cold...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... of wrought products. The article addresses the types of flaws or defects that can be introduced during the steel forging process itself, including defects originating in the ingot-casting process. Defects found in nonferrous forgings—titanium, aluminum, and copper and copper alloys—also are covered...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
...-related failures, the as-cast layer is not observed, because of the technique used or because of subsequent machining. In these failures, however, an outer layer of brittle as-quenched (white-etching) martensite is present. Such a failure is shown in Fig. 9 . This failure occurred in a plastic-mold die...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... in permanent molded and die cast aluminum alloys Hard spots (a) Defects that under some circumstances could contribute, either directly or indirectly, to casting failures. Adapted from International Atlas of Casting Defects , American Foundrymen’s Society, Des Plaines, IL Table 1 presents...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
.... Performance of Alloy Groupings Magnesium Magnesium occupies an extremely active position in most galvanic series and is therefore highly susceptible to galvanic corrosion. Metals that combine active potentials with higher hydrogen overvoltages, such as aluminum, zinc, cadmium, and tin, are much less...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
...-corrosion cracking, hydrogen embrittlement, and liquid-metal embrittlement of bolts and nuts. The article explains the most commonly used protective metal coatings for ferrous metal fasteners. Zinc, cadmium, and aluminum are commonly used for such coatings. The article also illustrates the performance...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... combined stresses. A common manufacturing discrepancy is illustrated and discussed in this section. During an assembly operation involving HL 22-8 fasteners, the fastener heads would sometimes crack ( Fig. 2a, b ). Aluminum alloy 7075-T73 nuts were being installed on type 7075-T6 fasteners...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... that combine active potentials with higher hydrogen overvoltages, such as aluminum, zinc, cadmium, and tin, are much less damaging, although not fully compatible with magnesium. Aluminum alloys that contain small percentages of copper (7000 and 2000 series and 380 die-casting alloy) may cause serious...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... the analyst is not very familiar with the alloy system in question. For example, the potential consequences of exceeding impurity limits for zinc and aluminum casting alloys are discussed in various articles in Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, Volume 2 of ASM...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
.... Shrinkage porosity can be closed by hot isostatic pressing ( Fig. 31 ). Fig. 31 (a) Aluminum casting exhibiting shrinkage porosity. (b) Scanning electron microscope image of shrinkage porosity Alloy Segregation Alloy segregation is the nonuniform distribution of alloying elements, causing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... ( Fig. 1a , b ). Parabolic or elongated shear dimples occur from torsional loading ( Fig. 1c ) or from mode II (in-plane) shear. However, metallic materials can behave in a ductile manner but not exhibit the classical dimple-rupture morphology, as shown in Fig. 1(d) for a cast aluminum alloy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... molds or by continuous casting techniques. Primary deformation processes, such as hot rolling, tube piercing, extrusion, and open-die forging, are then used for converting the cast structure. Many large open-die forgings are forged directly from ingots, while most closed-die and upset forgings...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... manner, but not exhibit the classical dimple-rupture morphology, as shown in Fig. 1(d) for a cast aluminum alloy. The cast aluminum alloy fracture surface should show dimples in the aluminum matrix (original dendrites), but can be difficult to see because fracture surface morphology is impacted...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
...). Source: Ref 30 There is also a particle size distribution in high-strength, age-hardening aluminum alloys, but different behavior in an aluminum casting alloy has been reported ( Ref 31 ). The iron- and/or silicon-rich phases are the inclusions that are smaller than other phases created...