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ductile metallic matrix

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0047312
EISBN: 978-1-62708-224-2
... Abstract A ductile iron T-hook hook was reported to have fractured in service. It was further reported that the hook had been subjected to a load that did not exceed 5900 kg (13,000 lb) at the time of fracture. No information was provided regarding the type of metal used to manufacture the hook...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047315
EISBN: 978-1-62708-225-9
... to have had significant effects on the fracture. Recommendations included carefully and properly aligning the flange surface with the roll holder to achieve uniform distribution of the load. Also, a more ductile metal, such as steel or ductile iron, would be more suitable for this application and would...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001771
EISBN: 978-1-62708-241-9
..., coke readily accumulates on the surface of the tubes, fueling carbon diffusion into the metal and a corresponding degradation in microstructure and loss of ductility at high temperatures. radiant tube stress rupture thermal shock heat resistant steel carbide precipitates SEM-EDS analysis...
Image
Published: 01 January 2002
a combination of morphologies of ductile microvoid coalescence of the matrix and brittle cleavage and intergranular separation through and around second-phase particles. Courtesy of Howard Nelson ( Ref 2 ) More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0089338
EISBN: 978-1-62708-224-2
... stringers and ferrite bands in the base metal matrix. The material used for this application was very anisotropic, exhibiting substantially poorer long and short transverse mechanical properties than longitudinal properties. Lifting eye Manganese sulfide Nonmetallic inclusions 1144 UNS G11440...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
.... , Narendranath C.S. , Chatterjee U.K. , Influence of Sulfide inclusion on ductility and fracture behavior of resulfurized HY-80 steel . Metall. Trans. A 23 ( 5 ), 1479 – 1492 ( 1992 ) 10.1007/BF02647331 10. ASM Metals Handbook, Desk Edition , 2nd edn. ( ASM International , 1998 ), pp...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
... of an overload failure. It also presents examples of thermally and environmentally induced embrittlement effects that can alter the overload fracture behavior of metals. atomic structure brittle cracking crack propagation crystalline structure ductile cracking ductility environmentally induced...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... characteristics can act singly or combine synergistically to reduce the strength, ductility, and toughness of metallic materials. These factors must also be considered in the evaluation and prevention of overload failures. Therefore, throughout this article, the term overload failure implies fracture due...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001633
EISBN: 978-1-62708-221-1
... analysis. Optical metallography was performed on polished and etched (5% nital) samples from the failed wheel hub. Similar samples were used for microhardness measurements. Results and Discussion The microstructure of the wheel hub was spheroidal graphite dispersed in a ferrite metal matrix...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... voids with little or no bond between the particles and the matrix surrounding them. The size and distribution of inclusions affects the ductility of a metal, with smaller and round particles offering more ductility than large, irregular particles. Models to predict the effect of porosity...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
... is initiated. Soft inclusions, such as MnS, are virtually voids with little or no bond between the particles and the matrix surrounding them. The size and distribution of inclusions affects the ductility of a metal, with smaller, round particles offering more ductility than large, irregular particles...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001685
EISBN: 978-1-62708-235-8
... Abstract The U-0.8wt%Ti alloy is often used in weapon applications where high strength and fairly good ductility are necessary. Components are immersion quenched in water from the gamma phase to produce a martensitic structure that is amenable to aging. Undesirable conditions occur when...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0090938
EISBN: 978-1-62708-221-1
.... and McGarry D. , Mechanisms and Appearances of Ductile and Brittle Fracture in Metals , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 587 – 626 10.31399/asm.hb.v11.a0003538 ...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001534
EISBN: 978-1-62708-220-4
... material exhibits ductile-to-brittle transition at subambient temperatures. Low-temperature impact toughness of the weld metal is reported to be poor, especially when the weld metal is made with a cellulose-coated electrode, such as AWS E 6013 ( Ref 5 , 6 ). The presence of large amounts of inclusions...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048801
EISBN: 978-1-62708-229-7
... the longitudinal seam weld was revealed to have lower elongation and a shear type failure rather than the cup-cone failures. It was concluded that the welded longitudinal seam exhibited embrittlement. A low-ductility intergranular fracture that progressed through the weld metal was revealed by scanning electron...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... from a high-purity aluminium-copper pH alloy with a coarse grain structure. In this example (with the coarse grain size), ductility is limited, and the yield strength in the local region of the grain boundary becomes lower than the matrix; thus, fracture tends to develop first within the grain-boundary...
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.conag.c0090965
EISBN: 978-1-62708-221-1
... and Appearances of Ductile and Brittle Fracture in Metals , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 587 – 626 10.31399/asm.hb.v11.a0003538 ...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... with a coarse grain structure. In this example (with the coarse grain size), ductility is limited, and the local yield strength in the grain boundary becomes lower than the matrix; thus, fracture develops first within the grain-boundary zone by microvoid coalescence. The two levels of magnification provide...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... reactions of hydrogen with matrix or alloy elements form high-pressure pockets of gases other than molecular hydrogen. Cracking from hydride formation Transition, rare earth, alkaline-earth metals, and their alloys (includes titanium, tantalum, zirconium, uranium, and thorium) Brittle hydrides often...