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pressure 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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001222
EISBN: 978-1-62708-225-9
... × Pores and oxide inclusions are hardly unavoidable in die cast components. This is because during the discharge of the shot, air is often entrapped in the pressure chamber and forced into the die, The more complex the shape of the casting, the more difficult it becomes to avoid defects during die casting...
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
... Abstract Lakes in zinc die castings are areas encompassed by irregular lines or waves on flat or slightly contoured surfaces which are intended to look uniform. The laked areas have to be removed by polishing before the castings can be plated. This adds considerably to the overall cost...
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
... specified to withstand a maximum pressure of 1030 kPa (150 psi). One batch of 75 ZAMAK 3 die-cast solenoid valve seats were found to have extensively cracked ( Fig. 1 ) some months after installation of the system in which the valves were used. The cracking was observed when the system was commissioned...
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: 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 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: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
.../j.jmatprotec.2007.03.015 8. Dowling N.E. : Mechanical Behavior of Materials : Engineering Methods for Deformation, Fracture, and Fatigue , 2nd edn. Prentice-Hall , NJ ( 1999 ) 9. Wallace J.F. , Schwam D. : Improved life of die casting dies of H13 steel by attaining improved...
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: 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.a0003532
EISBN: 978-1-62708-180-1
... in an epoxy mount. Fig. 15 Good edge retention obtained in a cast epoxy mount containing soft ceramic shot filler. (Note the round particles in the epoxy at the top.) The specimen is annealed H13 hot work die steel, and it was etched with picral. Following are general guidelines for obtaining...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
... in an epoxy mount. Fig. 7 Good edge retention obtained in a cast epoxy mount containing soft ceramic shot filler (round particles in the epoxy at the top.) The specimen is annealed H13 hot work die steel etched with picral. Grinding Grinding should commence with the finest grit size...
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
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006868
EISBN: 978-1-62708-395-9
... processes, and large part processes. Most production processes used for manufacturing will have a need for some forming tool or die that is specific to the given part to be manufactured. Processes that use high pressure tend to have more expensive tooling requirements but also tend to have faster cycle...
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 Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001831
EISBN: 978-1-62708-241-9
... 11. Bala Srinivasan P. , Blawert C. , Dietzel W. : Dry sliding wear behaviour of a conventional and recycled high pressure die cast magnesium alloys . Mater. Charact . 60 , 843 – 847 ( 2009 ) 10.1016/j.matchar.2009.01.014 12. Abedini M. , Ghasemi H.M. , Nili...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001836
EISBN: 978-1-62708-241-9
... Identification of Copper Source Induction Coil in Bending During Pipe Manufacturing at JCOE Copper Molds Used during Continuous Casting Stage Copper Entrapment in the Steel Sources of Copper/Copper Alloys There are three prominent possibilities of copper entrapment in steel, plates, and pipe...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
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
... a wide range of material forms and processing pressures. In rotational casting, polymer powder or paste is placed inside a rotating, heated, hollow tool, where it melts or gels on the inner surface. The still-rotating tool is cooled, usually with water spray, until the plastic solidifies. Properties...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
..., cylindrical, rotating, pressurized, high-temperature, cast iron pressure vessel that has evolved in design since the early 1900s. A wet sheet of paper is placed on the rotating face of the dryer, which is located toward the back end of a crepe papermaking machine. As the dryer rotates, contact with the high...