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gravity die casting

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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
... Abstract This article focuses on the general root causes of failure attributed to the casting process, casting material, and design with examples. The casting processes discussed include gravity die casting, pressure die casting, semisolid casting, squeeze casting, and centrifugal casting. Cast...
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
... of veins on the casting surface Veining or finning A 113 Network of projections on the surface of die castings Heat-checked die A 114 (a) Thin projection parallel to a casting surface, in re-entrant angles Fillet scab A 115 Thin metallic projection located at a re-entrant angle...
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
.... Primary deformation processes, such as hot rolling, extrusion, and open-die forging, are then used for converting the cast structure to a fine-grained wrought structure while reducing the ingot to a more usable size and shape. Most large open-die forgings are forged directly from ingots, while most closed...
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 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
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
...? Is the screw speed normal? Is the barrel pressure high? Is the motor load high? Is there a solids-conveying problem? Is there a melting problem? Melt fracture Slip-stick phenomenon at the die lip wall Streamline the flow channel Reduce shear stress at the die lands: ○ Increase die...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006868
EISBN: 978-1-62708-395-9
... start-up and shut-down events; likewise, runner systems within injection molds are most often granulated and reused in the feed stream to the injection unit. Scrap from die-cut sheet forms, such as food storage bags, or thermoformed thin gauge articles, such as coffee cup tops, are again salvaged...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
... Software and is well suited for applications like die cast or injection molding and for standard requirements in steel or non-ferrous foundries, as well as in multi-matrix applications. Following the spectrometer reading, mechanical compression tests were completed using an Instron 5882 electromechanical...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
.... It also reviews plastic processing operations, including extrusion, injection molding, and thermoforming, and addresses related considerations such as melt viscosity and melt strength, crystallization, orientation, die swell, melt fracture, shrinkage, molded-in stress, and polymer degradation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... and handling of large chunks of rock. It is accompanied by heavy impact and by high bending and compressive forces on the wearing parts, which are made as heavy section castings. As a result, the choice of ferrous alloys that can be used with confidence in these applications is limited. Traditionally...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... chunks of rock. It is accompanied by heavy impact and by high bending and compressive forces on the wearing parts, which are made as heavy-section castings. As a result, the choice of ferrous alloys that can be used with confidence in these applications is limited. Traditionally, austenitic 12% Mn steels...
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
... damaging, although not fully compatible with magnesium. Aluminum alloys containing small percentages of copper (7000 and 2000 series and 380 die-casting alloy) may cause serious galvanic corrosion of magnesium in saline environments. Very pure aluminum is quite compatible, acting as a polarizable...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
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
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... winding Continuous 70 Shape limited −− 40.0 6.0 High Low Rotational casting None … Difficult + 1.0 0.2 Low Slight Thermosetting Compression Long glass (SMC) 30 Very long glass limits material flow and surface finish + 7.0 1.0 High Very low + very long (HMC) 50...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006923
EISBN: 978-1-62708-395-9
... 50–205 120–400 120–150 250–300 0.17–0.22 0.10–0.13 55–100 Polyimide 305–360 580–680 260–315 500–600 0.10–0.34 0.058–0.20 25–80 Polyurethane (cast) 50–205 120–400 90–120 190–250 0.17–0.21 0.10–0.12 70–100 Silicone … … 260 500 0.22 0.13 80–300 Urethane elastomer...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... diffraction Penetrating rays of x-ray, gamma rays, or neutrons passing through or reflecting from test object cast shadows or patterns on film or digital imaging plates Manufacturing, weld inspection, finding objects in closed containments, metrology of enclosed objects, thickness Hazardous radiation...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... initiation. The LCF tests are carried out on small, unnotched specimens under pure alternating strain cycles ( R ε = −1) ( Fig. 9 ). Fig. 9 Example of low-cycle fatigue curve for a die-cast aluminum alloy The LCF curve is usually expressed by the Manson-Coffin equation ( Ref 9 , 10 ), which...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... applications are in heavy industry, steel casting plants, rolling mill bearings, and so on. A typical case-hardness depth (CHD) recommendation is CHD ≥ 0.052 D RE , where D RE is the rolling-element diameter (in millimeters). The ISO 15787:2010 adds a recommendation that the nominal case depth (depth...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... materials Table 7 Range of mechanical properties for common engineering materials Material Elastic modulus Tensile strength Maximum strength/density Elongation at break, % GPa 10 6 psi MPa ksi (km/s) 2 (kft/s) 2 Ductile steel 200 30 350–800 50–120 0.1 1 0.2–0.5 Cast...