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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047297
EISBN: 978-1-62708-235-8
... ferrite. This anomalous structure is caused by shortcomings in the foundry practice of chemical composition, solidification, and inoculation control. Judging from the microstructure, the strength of the material was lower than desired for class 30 gray iron, and the suspected heat treatment further...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001198
EISBN: 978-1-62708-221-1
...) Eliminate the grooves; 2) Remove the ferritic bright border; 3) Avoid undercooling in the mold and therefore the formation of granular graphite; 4) Inoculate with finely powdered ferrosilicon into the melt for the same purpose; and, 5) Anneal at lower temperature or eliminate subsequent treatment...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001226
EISBN: 978-1-62708-234-1
.... In order to prevent a repetition, the use of hypoeutectic or eutectic iron, slower cooling of the casting, inoculation of the melt with finely powdered ferrosilicon, and possibly rounding-off the edges or machining of the surfaces are recommended. Galling Materials selection Pumps Gray iron...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001602
EISBN: 978-1-62708-229-7
.... The investment casting process of the buckets was performed with a “mold inoculant,” which is a material placed on the inner surface of the mold cavity to provide numerous sites for grains nucleation and thus promote the formation of small grains on the face surface of the casting. The presence of small grains...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
...) and FTIR Analyses The CPB was inoculated into B4 medium and incubated for 2–3 weeks at 37 °C. The cultures were centrifuged at 6000 rpm for 30 min, which form slime layer sediment (pellet) in the bottom (white color) and allowed to air dry. These sediment samples were characterized employing XRD...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001099
EISBN: 978-1-62708-214-3
..., or use of coating methods that do not inoculate with hydrogen, such as vacuum-deposition techniques Devising insulating sleeves to separate the steel from direct contact with the aluminum Ensuring that the compressor components, chamber, and refrigerant are kept dry at all times, particularly...
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
... slag removal and from reoxidation of the molten metal during subsequent transferring to holding furnaces and even during pouring. Gray iron requires the addition of an inoculant for most applications. The purpose of this inoculation is to introduce the proper conditions to nucleate the desired...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
... was an acid that locally inoculated the coupling material. This environment, combined with residual stress in the coupling, allowed hydrogen stress cracks to develop and propagate to ultimate fracture of the part. The fracture was, therefore, due to microbiological-induced corrosion brought on, in part...
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
... indicated that magnesium was used as an inoculant for the manufacture of rolls exhibiting nodular iron in the ‘shell’ regions. The matrix regions in all the spalled roll samples, however, showed the presence of Fe, Si, Ni, and Cr. The back-scattered electron (BSE) image of typical nodular graphite particles...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006871
EISBN: 978-1-62708-395-9
..., such as fungi and bacteria. Specification ASTM G21 ( Ref 15 ) is a method for testing the effect of fungi on plastics. The ISO 846 ( Ref 16 ) describes different test methods on the action of fungi and bacteria on plastic materials. In these test methods, the test specimen are inoculated with a spore...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
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.a0006939
EISBN: 978-1-62708-395-9
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
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
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
... Inoculate MPN tubes or other culture-based assays to obtain viable cell counts for indicator organisms (SRB, APB, IRB, IOB, etc.) in sessile samples at and adjacent to corrosion features. Note: These growth tests can take a week or more (up to 28 days) to reach an end point. Analyze liquid samples from...