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chilled cast iron

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0089526
EISBN: 978-1-62708-218-1
... discussed. Controlled pouring temperatures, improved design and use of chills were recommended to avoid the casting defects. Casting defects Cracking (fracturing) Cylinder heads Microporosity Shrinkage Gray iron Casting-related failures A cracked cylinder head was removed from an engine...
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 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
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001303
EISBN: 978-1-62708-215-0
...Abstract 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...
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
... high pouring temperatures. These additional problems result in a higher incidence of gas entrapment, inclusions, poor metal structure, interrupted metal walls, and mold-wall deficiencies. Macroetching of cast iron is used to reveal such phenomena as chill formation and segregation. The type...
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
... casting. Cast 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...
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 Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001083
EISBN: 978-1-62708-214-3
... of the excessive shrinkage voids is beyond the scope of this study, but several possible causes include use of too high a pouring temperature during casting, the lack or inadequacy of metal chills, and poor riser design. The fact that most of the through-wall voids occurred between the 6:00 and 9:00 positions...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001776
EISBN: 978-1-62708-241-9
..., with a hardness of 400–450 HB became worn more quickly than the jaws made of austenitic manganese steel [ 3 ]. In clay crusher rolls, austenitic manganese steel components subjected to the same service stress lasted 2–3 times longer than similar components produced from white or chilled iron [ 3 ]. However, cast...
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 casting confirmed that the defect and the associated porosity was confined to the surface and did not extend into the bulk of the material. The resolution of any relevant microstructural detail close to the surface required the electroplating of samples with copper and iron for edge retention. A section...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001532
EISBN: 978-1-62708-232-7
... to wear and thermal fatigue. 1 These ICDP rolls are characterized by a “shell” (or chill) of alloy cast iron and a softer core of gray/nodular iron. During service, these rolls may fail prematurely owing to improper mill operating environment and/or inadequacies in roll material quality. The problem...
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
... the as-cast surface region and associated as-quenched martensitic layer. Cavity surfaces must be stoned or ground, then tempered to prevent such failures. A classic example of a failure due to improper EDM technique is shown in Fig. 7 and 8 . Figure 7 shows four 3.2-mm ( 1 8 -in.) diam EDM...
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
... observed due to failure to remove the as-cast surface region and associated as-quenched martensitic layer. Cavity surfaces must be stoned or ground, then tempered to prevent such failures. A classic example of a failure due to improper EDM technique is shown in Fig. 7 and 8 . Figure 7 shows four...
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
... makes sampling difficult at best. Small specimens that have had part of their composition altered by carbon or nitrogen diffusion or that have been plated or painted tend to be more problematic than larger pieces of structural alloys. Some analysts remelt and chill cast their metals specimens...
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
... working 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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001459
EISBN: 978-1-62708-234-1
... together in register with one another. Fatigue cracks are most easily recognized when they occur in ductile materials, especially those in the ferrous group ; in the case of cast materials, more especially cast-iron and some of the cast aluminium-base alloys, it is, unfortunately, generally very...
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
.... Metalworking operations are also classified as either primary metalworking (where mill forms such as bar, plate, tube, sheet, and wire are worked from ingot or other cast forms) or secondary metalworking (where mill products are further formed into finished products by hot forging, cold forging, drawing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... of assessing the threat of MIC, identifying and applying preventive and mitigative measures, and monitoring the effectiveness of mitigation” ( Ref 3 ). The Scope of Microbial Activity Microorganisms can directly or indirectly affect the integrity of many materials. Most metals, including iron, copper...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... length through Si particles was observed to be 0.16 in the vertical section fracture profile of a tensile fracture surface of chill cast A356 aluminum alloy having a volume fraction of Si particle equal to 0.074. In this case, as P f is significantly higher than the silicon particle volume fraction...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... oxidation. A telltale sign of fretting in materials that oxidize is the development of local discoloration at the contacting surfaces, there being a reddish color with the products of fretting on steel or cast iron surfaces and blackish stains on aluminum alloys. A major risk when fretting occurs...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... of local discoloration at the contacting surfaces, there being a reddish color with the products of fretting on steel or cast iron surfaces and blackish stains on aluminum alloys. A major risk when fretting occurs is the development of surface cracks that might then grow by fatigue. Energy-Dispersive...