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austenitic manganese steels

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0089676
EISBN: 978-1-62708-224-2
... Abstract Chain link, a part of a mechanism for transferring hot or cold steel blooms into and out of a reheating furnace, broke after approximately four months of service. The link was cast from 2% Cr austenitic manganese steel and was subjected to repeated heating to temperatures of 455 to 595...
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Published: 01 January 2002
Fig. 54 Reheating-furnace chain link, sand cast from austenitic manganese steel, that failed by brittle fracture, because material was not stable at operating temperatures. (a) Chain link showing location of fracture. Dimensions given in inches. (b) Macrograph of a nital-etched specimen from More
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Published: 01 June 2019
Fig. 1 Reheating-furnace chain link, sand cast from austenitic manganese steel, that failed by brittle fracture, because material was not stable at operating temperatures. (a) Chain link showing location of fracture. Dimensions given in inches. (b) Macrograph of a nital-etched specimen from More
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Published: 30 August 2021
Fig. 30 Reheating-furnace chain link, sand cast from austenitic manganese steel, that failed by brittle fracture, because material was not stable at operating temperatures. (a) Chain link showing location of fracture. Dimensions given in inches. (b) Macrograph of a nital-etched specimen from More
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
... at the grain boundaries may have occurred because of improper heat treatment, but not because of a deficiency in composition. crusher jaws fracture embrittlement steel grainy surface texture metallographic analysis impact strength ASTM A 128 grade B-4 (austenitic manganese steel) UNS J91149...
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Published: 15 January 2021
Fig. 21 Light micrograph showing epsilon martensite at the surface of a decarburized (less than 0.5% C) austenitic manganese steel specimen. Etched with 2% nital/20% sodium metabisulfite More
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Published: 01 January 2002
Fig. 27 Light micrograph showing epsilon martensite at the surface of a decarburized (less than 0.5% C) austenitic manganese steel specimen. Etched with 2% nital/20% sodium metabisulfite More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001206
EISBN: 978-1-62708-235-8
... ); their origin is probably due to the inclusions precipitated at the austenite grain boundaries ( Fig. 8 ). These inclusions are optically isotropic and, judging by their shape and color, appear to be sulfides of manganese. These manganese sulfides exhibit an elongated shape in the longitudinal section taken...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0090974
EISBN: 978-1-62708-235-8
..., and reevaluation of the casting design was suggested to minimize shrinkage. Brackets Castings Inclusions Manganese sulfide Shrinkage ASTM A148 grade 135-125 UNS D51250 Casting-related failures Brittle fracture A cast steel bracket manufactured in accordance with ASTM A 148 grade 135/125 failed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001204
EISBN: 978-1-62708-219-8
... outside of the weld seam closely under the head. Neither one had been particularly deformed before fracture. The composition of the head pieces corresponded approximately to manganese steel (Material No. 1 0845), a weldable construction steel with increased yield point and strength, while the shafts were...
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Published: 01 June 2019
Fig. 1 Fracture of a cast steel bracket. (a) Bracket microstructure exhibiting gross type II manganese sulfide stringer inclusions. Unetched. 119×. (b) The microstructure consisted of tempered martensite, with the inclusions likely present at the prior-austenite grain boundaries. 2% nital etch More
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Published: 01 January 2002
Fig. 20 Fracture of a cast steel bracket ( example 9 ). (a) Bracket microstructure exhibiting gross type II manganese sulfide stringer inclusions. Unetched. 119×. (b) The microstructure consisted of tempered martensite, with the inclusions likely present at the prior-austenite grain boundaries More
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Published: 15 January 2021
Fig. 16 Fracture of a cast steel bracket (Example 9). (a) Bracket microstructure exhibiting gross type II manganese sulfide stringer inclusions. Unetched. Original magnification: 119×. (b) The microstructure consisted of tempered martensite, with the inclusions likely present at the prior More
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
... the intended function is decreased. The article addresses factors that may cause failures in castings for each metal type, starting with gray iron and progressing to ductile iron, steel, aluminum, and copper-base alloys. It describes the general root causes of failure attributed to the casting material...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0046981
EISBN: 978-1-62708-218-1
... Abstract The exhaust valve of a truck engine failed after 488 h of a 1000 h laboratory endurance test. The valve was made of 21-2 valve steel in the solution treated and aged condition and was faced with Stellite 12 alloy. The failure occurred by fracture of the underhead portion of the valve...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001182
EISBN: 978-1-62708-218-1
... the scale has flaked off. Furthermore, the rim of the disk was badly damaged by secondary mechanical action. The core of the valve had a very fine austenitic microstructure with precipitations of numerous granular and very fine, mostly rounded carbides and tine segregation bands. A hard alloy facing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001683
EISBN: 978-1-62708-234-1
... Abstract Corrosion in a closed-loop cooling water system constructed of austenitic stainless steel occurred during an extended lay up of the system with biologically contaminated water. The characteristics of the failure were those of microbiologically influenced corrosion (MIC). The corrosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... microstructure phase transformations quenching quench-process design residual stress retained austenite steel stress tempering HEAT TREATING—of all the various steel processing methods—has the greatest overall impact on control of microstructure, properties, residual stresses, and dimensional...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001177
EISBN: 978-1-62708-234-1
... of the austenite, and therefore with increasing nickel content. Austenitic chromium-manganese steels and ferritic chromium steels are considerably more resistant. As a rule, however, these steels are unsuitable as replacement because of their greater sensitivity to pitting. Specifically effective corrosive media...
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...