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tension testing

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Image
Published: 01 January 2002
Fig. 31 Fracture surface of notched tension test of alloy steel tested at 0 °C (32 °F). Fibrous overload fracture surface exhibits fine circumferential ridges. Similar markings have been erroneously identified as fatigue beach marks. Source: Ref 16 More
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Published: 01 June 2019
Fig. 14 TEM replica of a fracture surface of a compact-tension test specimen showing features identified as lamellar pearlite structure, sometimes mistaken for fatigue striations 9 More
Image
Published: 01 January 2002
Fig. 28 Schematic of fracture surface regions in cylindrical tension-test specimens. (a) Surface from cone portion of fractured unnotched tensile specimen. (b) Surface of fractured notched specimen. Unlike the fracture surface for an unnotched specimen, the fracture surface for the notched More
Image
Published: 01 January 2002
Fig. 40 Typical fracture appearances for unnotched prismatic tension-test sections More
Image
Published: 01 January 2002
Fig. 62 Fracture surface of as-cast Inconel 713C tension-test section showing evidence of dendritic solidification. No fracture initiation location is evident. Tensile strength, 1048 MPa (152 ksi); yield strength, 827 MPa (120 ksi); total elongation, 6%; hardness, 36 HRC. Source: Ref 74 More
Image
Published: 01 December 1992
Fig. 16 ASTM E399 plane-strain compact tension test results for the fractured flange. Note that the test results for two different plates, CK1 and CK2, and two specimensizes (25 and 50 mm, or 1 and 2 in., thick) fell on a common curve, with no evidence of elastic-plastic behavior to at least More
Image
Published: 01 December 1992
Fig. 17 Compact tension test results for 57 mm (2 1 4 in.) thick A517 grade H, heat A4071. Note the onset of elastic-plastic behavior at approximately −30°C (−20°F). More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0091036
EISBN: 978-1-62708-227-3
... Abstract Socket head cap screws used in a naval application were failing in service due to delayed fracture. The standard ASTM A 574 screws were zinc plated and dichromate coated. Investigation (visual inspection, 1187 SEM images, chemical analysis, and tension testing) of both the failed...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... techniques and discusses the advantages and limitations of each technique when used in failure analysis. The focus is on various types of static load testing, hardness testing, and impact testing. The testing types covered include uniaxial tension testing, uniaxial compression testing, bend testing, hardness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0090988
EISBN: 978-1-62708-236-5
... the requirements for a grade 1045 medium-carbon, plain carbon steel. Investigation (visual inspection, chemical analysis, 2% nital etched 119x images, and tension testing) supported the conclusion that the cylinder pipe burst in a mixed brittle-ductile manner due to overpressurization. It is likely...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047080
EISBN: 978-1-62708-235-8
... curvature, preheated, then solution treated, water quenched, and then aged for 8 to 10 h. Analysis (visual inspection, slow-bend testing, 65x macrographic analysis, macroetching, spectrographic analysis, hardness tests, microhardness tests, tension tests, and microscopic examination) supported...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001015
EISBN: 978-1-62708-217-4
... in. per min.), one of the hose clamps broke in the same manner as the clamp in question. The manner of failure during the tension test indicated this clamp failed at the time of the crash because of a sudden separation between the turbocharger and the remainder of the aircraft. Aircraft components...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091659
EISBN: 978-1-62708-229-7
... heat treated by heating at 885 deg C (1625 deg F) for 24 h and aging at 705 deg C (1300 deg F) for 20 h. Jet pump beams were found to have failed in two nuclear reactors, and other beams were found to be cracked. Investigation (visual inspection, metallurgical examination, tension testing...
Image
Published: 01 December 2019
Fig. 11 SEM micrograph shows film on facet at fatigue crack initiation site of LF14 tension-to-tension test. 2,000× More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0090929
EISBN: 978-1-62708-236-5
... of the fasteners was not verified, but proof load and tension testing of exemplar screws from the same lot revealed satisfactory results. The level of necking on the tension-tested screws was analogous to those that failed during installation. Fig. 1 Fracturing of high-strength screws. (a) Two grade 8 high...
Image
Published: 01 January 2002
Fig. 41 Typical fracture appearances for edge- and side-notched rectangular tension-test sections. Note the shear lips when the fracture approaches the edge of the specimen. More
Image
Published: 01 January 2002
Fig. 47 SEM view of serpentine glide on elevated-temperature (650 °C, or 1200 °F) laboratory tension test of nickel-molybdenum alloy. Although similar in appearance, these markings are not fatigue striations. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0090943
EISBN: 978-1-62708-219-8
... was considered compatible. Tension testing of specimens removed from gear segments remote to repairs revealed tensile strengths near 690 MPa (100 ksi), yield strengths near 517 MPa (75 ksi), and 5% elongation at fracture. Weld and base metal hardnesses were similar. The microstructure at the transition...
Image
Published: 01 June 2019
inside surface. 3 4 ×. (b) Side of flattened tube section showing cracks. 1 1 4 ×. (c) High-temperature (370 °C, or 700 °F) tension-test specimens: top, specimen from normally heated tube; bottom, specimen from overheated tube. (d) Normally heated tube specimen etched in Kroll's reagent More
Image
Published: 30 August 2021
along the top inside surface. Original magnification: ¾×. (b) Side of flattened tube section showing cracks. Original magnification: 1¼×. (c) High-temperature (370 °C, or 700 °F) tension-test specimens: top, specimen from normally heated tube; bottom, specimen from overheated tube. (d) Normally heated More