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stress-rupture test

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Published: 30 January 2024
Fig. 25 Stress-rupture failure of an INCO 713C stress-rupture test bar that was loaded at 414 MPa (60,000 psi) and 816 °C (1500 °F) for 120 h. Thin-film oxidation of the fracture due to elevated-temperature exposure to air is apparent as the iridescent colors. The gradient in fracture surface More
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Published: 15 May 2022
Fig. 8 Stress rupture test showing regression of strength with time and stress in a particular environment More
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Published: 01 January 2000
Fig. 6 Schematic of a test stand used for creep and stress-rupture testing More
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Published: 15 May 2022
Fig. 12 Schematic of Stage I, II, and III failures in stress rupture testing More
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Published: 30 August 2021
Fig. 14 Replication and microstructural evaluation combined with stress-rupture testing as performed on turbine blades and heater tubes to estimate their remaining life. (a) Land-based turbine. (b) Heater tubes. (c) Typical stress-rupture curve for 9Cr-1Mo material showing that the stress More
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Published: 01 January 2002
Fig. 14 Replication and microstructural evaluation combined with stress-rupture testing as performed on turbine blades and heater tubes to estimate the remaining life. (a) Land-based turbine. (b) Heater tubes. (c) Typical stress-rupture curve for 9Cr-1Mo material showing that the stress More
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Published: 01 January 2002
Fig. 15 Effect of elevated-temperature exposure on stress-rupture behavior of (a) normalized and tempered 2Cr-1Mo steel and (b) annealed 9Cr-1Mo steel. Exposure prior to stress-rupture testing was at the indicated test temperatures (without stress) and was 10,000 h long for the 2Cr-1Mo steel More
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Published: 01 January 1990
Fig. 6 Effect of elevated-temperature exposure on stress-rupture behavior of (a) normalized and tempered 2 1 4 Cr-1Mo steel and (b) annealed 9Cr-1Mo steel. Exposure prior to stress-rupture testing was at the indicated test temperatures (without stress) and was 10,000 h long for the 2 More
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Published: 15 January 2021
Fig. 18 Effect of elevated-temperature exposure on stress-rupture behavior of (a) normalized and tempered 2Cr-1Mo steel and (b) annealed 9Cr-1Mo steel. Exposure prior to stress-rupture testing was at the indicated test temperatures (without stress) and was 10,000 h long for the 2Cr-1Mo steel More
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Published: 01 January 1986
Fig. 47 Optical micrograph of stainless steel tube showing a band of precipitates and cracks formed during stress-rupture testing. Arrows A and B indicate representative locations of subsequently prepared TEM specimens. More
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Published: 01 January 1987
Fig. 75 One mechanism of intergranular cracking. (a) Schematic showing cracking due to grain-boundary sliding. Arrows along a grain boundary indicate that this boundary underwent sliding. (b) Cracks and voids in Al-5.1 Mg that was stress rupture tested at 260 °C (500 °F). Electrolytically More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003288
EISBN: 978-1-62708-176-4
... Abstract This article reviews the basic equipment and methods for creep and creep rupture testing. It begins with a discussion on the creep properties, including stress and temperature dependence, as well as of the extrapolation techniques that permit estimation of the long-term creep...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006921
EISBN: 978-1-62708-395-9
... on a plastic is by stress rupture testing, in which the specimen is stressed during exposure to the chemical (see Fig. 8 ). In this test, the time to failure is measured as a function of stress on the material. ASTM D5397, “Standard Test Method for Evaluation of Stress Crack Resistance of Polyolefin...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
...) Relationship of strain rate, or creep rate, and time during a constant-load creep test. The minimum creep rate is attained during second-stage creep Creep and stress-rupture data usually are obtained under constant-load test condition, and therefore, the stress in the gage section varies with time...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003286
EISBN: 978-1-62708-176-4
... has been achieved by reducing component geometry, leading to greater stresses in high-temperature materials. Naturally, the importance of reliable creep and stress-rupture testing increases with increasing service stress. Introducing new high-temperature materials that have lower densities is another...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... creep tests under a constant stress instead of a constant load. Each of these early studies on creep revealed a change in the creep response of a material as a function of time. Bulk Creep Behavior Some key material properties at high temperature are thermal expansion coefficient, stress rupture...
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Published: 01 January 1990
Fig. 32 Stress-rupture results for creep tests at 180 °C (355 °F) on aluminum alloys with silver additions compared with those for 2 xxx series alloys. Alloy A: 6.3% Cu, 0.5% Mg, 0.5% Ag, 0.5% Mn, and 0.2% Zr. Alloy B: 6.0% Cu, 0.45% Mg, 0.5% Ag, 0.5% Mn, and 0.14% Zr. CWQ, cold-water More
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Published: 01 January 1996
Fig. 15 Stress-rupture lives as a function of orientation. (a) Specimens tested at 760 °C (1400 °F). Source: Ref 25 . (b) Specimens tested at 960 °C (1760 °F). Source: Ref 119 More
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003289
EISBN: 978-1-62708-176-4
... reviewed. creep-rupture properties creep-rupture life parametric modelling isostress testing accelerated creep testing USE OF CREEP-RUPTURE PROPERTIES to determine allowable stresses for service parts has evolved with experience, although guidelines for use differ among specifications...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... in either stress or temperature can reduce the time to rupture, attention must be given to both factors during investigation of a failure by a stress-rupture mechanism. Stress-rupture testing, which determines the time of failure at a specific stress and temperature, is often used to understand stress...