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sand molding

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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
... iron, gray cast iron, malleable irons, ductile iron, low-alloy steel castings, austenitic steels, corrosion-resistant castings, and cast aluminum alloys are the materials discussed. The article describes the general types of discontinuities or imperfections for traditional casting with sand molds...
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
... with rough surfaces on the drag surface of the casting (in dispersed areas) Raised sand A 224 (a) Projections with rough surfaces on other parts of the casting Mold drop A 225 (a) Projections with rough surfaces over extensive areas of the casting Corner scab A 226 (a) Projections...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001251
EISBN: 978-1-62708-235-8
...% ferrosilicon powder and coke the 2-ton melt was deoxidized in a ladle with 3 kg aluminum, and was cast in wet sand molds. The pieces were stripped from the mold while red hot and were cooled in air and normalized at 900° C for 3 hours. The sender reported that tendency toward abnormal fractures rose...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0047220
EISBN: 978-1-62708-220-4
... Abstract Two oil-pump gears broke after four months of service in a gas compressor that operated at 1000 rpm and provided a discharge pressure of 7240 kPa (1050 psi). The compressor ran intermittently with sudden starts and stops. The large gear was sand cast from class 40 gray iron...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047118
EISBN: 978-1-62708-235-8
... flushed into the ingot mold. Although no true cracks were present, rejection of the stub axles was nevertheless justified. Slag streaks could reduce the strength of the stub axles and lead to the formation of fatigue fractures during operation. No recommendations were made. Axles Forgings...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001303
EISBN: 978-1-62708-215-0
... Abstract A sand-cast LM6M aluminum alloy sprocket drive wheel in an all-terrain vehicle failed. Extensive cracking had occurred around each of the six bolt holes in the wheel. Evidence of considerable deformation in this area was also noted. Examination indicated that the part failed because...
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: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... will be tougher than a shorter, lower-molecular-weight polymer of the same chemical type. The higher-molecular-weight polymer will also provide higher melt viscosity and will be more difficult to use in processes involving flow, such as injection molding. Such high melt viscosity, on the other hand...
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
... Abstract This article discusses technologies focused on processing plastic materials or producing direct tools used in plastics processing. The article focuses on extrusion and injection molding, covering applications, materials and their properties, equipment, processing details, part design...
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.a0006789
EISBN: 978-1-62708-295-2
... machines; tillage tools; machine parts subjected to grinding operations; conveyors of mineral particles; sliding systems with hard particles in between Solid particle/droplet erosion Slurry pipelines; centrifugal pumps for slurry; turbine blades; nozzles for sand blasters Cavitation erosion Turbine...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006938
EISBN: 978-1-62708-395-9
... months to 5 years, the top anticipated weight of intended users is 58 pounds (corresponding to the 95 th percentile of a boy on the last day at five years old), and the entire weight range can be balanced by filling the base with 30 pounds of sand, the volume of which would help define product...
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
..., and so on) and machining processes (drilling, turning, milling, and so on). Second, tools and dies are generally used at higher hardnesses than most other steel products; 58 to 68 HRC is a typical range. Dies for plastic molding or hot working are usually used at lower hardnesses, typically from 30 to 55...
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
..., and epoxy, while methyl methacrylate is the most commonly used thermoplastic mounting resin. Both thermosetting and thermoplastic materials require heat and pressure during the molding cycle, but, after curing, mounts made of thermoplastic resins must be cooled under pressure to at least 70 °C (158 °F...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
..., stainless steel, age-hardening aluminum alloys, etc.), its general product form (e.g., wrought, cast, powder metallurgy, etc.), and the processing method (e.g., forged, die cast, injection molded, etc.). All of these factors must be considered when the shape of a part is defined during configuration design...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
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.a0003529
EISBN: 978-1-62708-180-1
... process would be a copper/nickel/chromium plating on a zinc die casting. Since the zinc is more soluble in acid than any of the plating layers, another approach is obviously required, such as sanding or drilling. Obviously, the odd shape of many products makes sampling difficult at best. Small specimens...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... sulfur that is added to form manganese sulfide for machinability. Similarly, castings may contain entrapped sand, refractory, and so on. Wrought products also can have flaws that carryover from casting such as: Chips from spatter (entrapped splashes) during the pouring of into a mold...
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
.... The spectrometer uses the Spark Analyzer Vision 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...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4