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creep rupture

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By Sammy Tin
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005404
EISBN: 978-1-62708-196-2
... creep rupture. Coupling of all of these rate expressions into the CDM model allows for both the prediction of the creep response as well as the evolution of the microstructure during deformation. This is an extremely useful model that has been successfully applied to simulate the deformation response of...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005411
EISBN: 978-1-62708-196-2
... Abstract The overarching goal of life-prediction research is to develop models for the various types of time dependencies in the crack-tip damage accumulation that occur in materials subjected to elevated temperatures. This article focuses on describing the models based on creep, oxidation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003128
EISBN: 978-1-62708-199-3
... elevated-temperature aluminum casting alloys. It provides a list of the creep-rupture properties and fatigue strengths of separately sand cast test bars of alloy 201.0, alloy C355.0-T61, alloy A356.0-T61, and alloy 354.0-T61. alloy 201.0 alloy 354.0-T61 alloy A356.0-T61 alloy C355.0-T61 aluminum...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001831
EISBN: 978-1-62708-181-8
...). Decohesive rupture resulting from creep fracture mechanisms is discussed at the end of this section. The fracture of weak grain-boundary films (such as those resulting from grain-boundary penetration by low melting point metals), the rupture of melted and resolidified grain-boundary constituents (as in...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture, and stress...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000616
EISBN: 978-1-62708-181-8
..., which nucleated at ruptured (Ni,Ti)C inclusions, was preempted as many smaller microvoids nucleated at δ-phase precipitates. SEM, 950× (J.E. Nolan, Westinghouse Hanford Company) Creep fracture in Inconel alloy MA754, a mechanically alloyed nickel-base superalloy stabilized by yttria. Fig. 850...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000600
EISBN: 978-1-62708-181-8
... because of corrosion fatigue. (b) This category includes creep rupture, stress-corrosion cracking, hydrogen embrittlement, thermally included embrittlement, and any other combination of applied stress and environment that results in an intergranular fracture path. Fractures resulting from the...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004010
EISBN: 978-1-62708-185-6
... formed Ti-6Al-4V disk The mechanical properties of the roll formed VT25u disk, including creep properties, stress-rupture resistance, and tensile behavior, were comparable to those of conventionally forged VT-25u, as described subsequently. Electron back scatter diffraction analyses suggested that...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005342
EISBN: 978-1-62708-187-0
... cracking at the tip of a crack in ductile iron. Original magnification: 200×. Courtesy of Stork Technimet, Inc. New Berlin, WI Cast alloys that have been exposed to elevated temperatures for extended periods can incur creep failure if the operating temperature is above the range recommended for the...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... candy fracture, cleavage fracture, brittle fracture, high-cycle fatigue fracture, fatigue striations, hydrogen-embrittlement failure, creep crack propagation, fatigue crack nucleation, intergranular creep fracture, torsional overload fracture, stress-corrosion cracking, and grain-boundary damage of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003024
EISBN: 978-1-62708-200-6
... response is time dependent and is called creep. Creep and creep rupture are not restricted to plastics. Many soft metals, such as gold, copper, and lead, creep at room temperature, and many structural metals, such as steel and aluminum, creep at elevated temperature. A perfectly elastic solid would...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003086
EISBN: 978-1-62708-199-3
.... Fig. 9 Isochronous stress-strain curves for specimens of a material creep tested at a given temperature When a creep test is continued until the specimen ruptures, the test is often called a creep-rupture or stress-rupture test, and the results are reported on a plot of stress versus time...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006266
EISBN: 978-1-62708-169-6
... corrosion resistance La, Th Sulfidation resistance Cr, Co, Si Improves creep properties B, Ta Increases rupture strength B (a) Grain-boundary refiners B, C, Zr, Hf Facilitates working … Retard γ′ coarsening Re Carbide formation MC W, Ta, Ti, Mo, Nb, Hf M 7 C 3 Cr M...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005930
EISBN: 978-1-62708-166-5
... temperatures (for example, >980 °C, or 1800 °F), more and more applications use nickel-base alloys because of their improved creep-rupture strengths and oxidation resistance. Cobalt-base alloys are generally too expensive except for very special applications. Therefore, this discussion is limited to the use...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003164
EISBN: 978-1-62708-199-3
... conventional titanium alloys, the titanium aluminides feature enhanced high-temperature properties such as strength retention, creep and stress rupture and fatigue resistance. Table 7 Properties of titanium aluminides, titanium-base conventional alloys, and nickel-base superalloys Property...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003120
EISBN: 978-1-62708-199-3
... by processing. For a given nominal composition, there are property advantages and disadvantages of the structures produced by deformation processing and by casting. Cast superalloys generally have coarser grain sizes, more alloy segregation, and improved creep and rupture characteristics. Wrought...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003118
EISBN: 978-1-62708-199-3
... the wrought and cast corrosion-resistant grades. This difference in carbon results in significant changes in properties, for example, the increased carbon content imparts higher creep-rupture strength in the cast heat-resistant steels. Table 4 lists the compositions of standard cast heat...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006265
EISBN: 978-1-62708-169-6
... carbides into solid solution. These extreme temperatures produce a coarse grain structure, minimum softness, and improved high-temperature mechanical properties, such as creep or stress rupture. Stress relieving : This is a heat treatment to reduce or eliminate internal stresses in work-hardened alloys...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
... Contributing factors Load exceeded the strength of the part Check for proper alloy and processing by hardness check and destructive testing, chemical analysis Loading direction can show failure was secondary Short-term, high-temperature, high-stress rupture has ductile appearance (see creep...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4