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Casting defects

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Image
Published: 01 April 2013
Fig. 1 Typical casting defects. (a) Inclusion (arrow) on machined surface of a casting. (b) Typical micrograph of gas porosity. Original magnification: 100×. (c) Micrograph of low alloy steel shrinkage crack. Original magnification: 7.5×. (d) Optical micrograph of a hot tear in a casting More
Image
Published: 01 November 2012
Fig. 9 Typical casting defects. (a) Inclusion (arrow) on machined surface of a casting. (b) Typical micrograph of gas porosity. Original magnification: 100×. (c) Micrograph of low-alloy steel shrinkage crack. Original magnification: 7.5×. (d) Optical micrograph of a hot tear in a casting More
Image
Published: 01 November 2013
Fig. 9 Typical casting defects. (a) Inclusion (arrow) on machined surface of a casting. (b) Typical micrograph of gas porosity. Original magnification: 100×. (c) Micrograph of low-alloy steel shrinkage crack. Original magnification: 7.5×. (d) Optical micrograph of a hot tear in a casting More
Image
Published: 01 January 2022
Fig. 12.133 Common steel casting defects More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
..., and dimensional inspection. Casting defects including porosity, oxide films, inclusions, hot tears, metal penetration, and surface defects are reviewed. Liquid penetrant inspection, magnetic particle inspection, eddy current inspection, radiographic inspection, ultrasonic inspection, and leak testing for castings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
... discusses the technology of unalloyed or low-alloyed gray iron castings and white iron and high-alloyed cast irons. Finally, it describes the casting defects that are associated with cast iron and the processes involved in solving these defects. The article includes a number of figures illustrating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
...Abstract Abstract This appendix provides detailed information on design deficiencies, material and manufacturing defects, and service-life anomalies. It covers ingot-related defects, forging and sheet forming imperfections, casting defects, heat treating defects, and weld discontinuities...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
...Abstract Abstract This chapter covers the practices and procedures used for shape casting metals and alloys. It begins with a review of the factors that influence solidification and contribute to the formation of casting defects. It then describes basic melting methods, including induction...
Image
Published: 01 August 2018
Fig. 17.68 Cross section of a wheel in chilled cast iron. The chilled layer is thinner than that in Fig. 17.62 . To the left (inner portion of the flange), some casting defects can be seen. The wheel has been cast with its axis in the vertical position and the flange in the upper portion More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
... homogenization, and the cause of casting defects, including cracking and splitting, segregation, porosity, and grain growth. aluminum alloys billets casting casting defects The extrusion process consists of four major components, hydraulic press, die, tooling, and billet casting. In the previous...
Image
Published: 01 January 2022
areas of the casting are solidified and helps to identify isolated areas that may produce casting defects. Source: Ref 13 . Courtesy of MAGMA Foundry Technologies More
Image
Published: 01 September 2008
Fig. 14 Fatigue striations in (a) interstitial-free steel and (b) aluminum alloy AA2024-T42. (c) Fatigue fracture surface of a cast aluminum alloy where a fatigue crack was nucleated from a casting defect, presenting solidification dendrites on the surface. Arrow at top right indicates fatigue More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320163
EISBN: 978-1-62708-332-4
..., it describes ductile iron casting defects and presents practical cases of problem-solving. casting defects chemical composition core-making ductile iron feeder design gating graphite morphology iron castings material grades matrix mechanical properties quality control THE DISCOVERY...
Image
Published: 01 August 2018
Vessels, Piping, and Boilers,” in this book). The welding preparation for the repair at right was insufficient to completely remove the casting defect. Courtesy of MRS Logistica S.A. Rio de Janeiro, Brazil. More
Image
Published: 01 September 2008
Fig. 15 Aspect of the fracture surface showing that approximately 30% of the longitudinal section had been taken over by the cracks diffused by fatigue. Many subsuperficial casting defects were also observed where the nucleation of the cracks started. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130151
EISBN: 978-1-62708-284-6
... requirements. If a component has a large amount of porosity, for example, it is not a defect unless (1) an inspection porosity is specified, (2) its amount exceeds the required acceptance criterion, or (3) the component fails because of this porosity. This chapter describes cast steel features that may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050175
EISBN: 978-1-62708-311-9
... or life cycle of a part. The different manufacturing processes for workpieces that are induction hardened have different types of defects. Defects or Flaws Most Likely Defects or flaws most likely to be found in workpieces before induction hardening include casting defects, cold heading defects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320217
EISBN: 978-1-62708-332-4
.... It also describes the alloys, properties, applications, and engineering details of steel. Finally, the chapter explains defects in steel castings and presents guidelines for problem solving with examples. alloy steel alloying elements feeder design gating systems high-alloy steel low-alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320063
EISBN: 978-1-62708-332-4
... molded in the cope for venting the effluent gases from the cores. Effective venting prevents the gases from getting locked in the liquid metal, which can result in gas holes or voids. Venting through the top core prints is the most effective way to prevent defective castings due to core gas holes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980141
EISBN: 978-1-62708-342-3
... of the continuous cast microstructure of aluminum and copper alloys. The discussion provides information on billet and grain segregation and defects in continuous casting. The chapter then discusses the processes involved in the deformation of pure metals and alloys at room temperature. Next, it describes...