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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0047694
EISBN: 978-1-62708-219-8
... Abstract Extra high strength zinc-coated 1080 steel welded wire was wound into seven-wire cable strands for use in aerial cables and guy wires. The wires and cable strands failed tensile, elongation, and wrap tests, with wires fracturing near welds at 2.5 to 3.5% elongation and through...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047545
EISBN: 978-1-62708-236-5
... Abstract The AISI 1080 steel crankshaft of a large-capacity double-action stamping press broke in service and was repair welded. Shortly after the crankshaft was returned to service, the repair weld fractured. The repair-weld fracture was examined ultrasonically which revealed many internal...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001308
EISBN: 978-1-62708-215-0
... Abstract Persistent cracking in a forged 1080 steel turntable rail in a wind tunnel test section was investigated. All cracks were oriented transverse to the axis of the rail, and some had propagated through the flange into the web. Through-flange cracks had been repair welded. A section...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001122
EISBN: 978-1-62708-214-3
... material was UNS G10800 (AISI/SAE grade 1080). Excessive hardnesses were measured in the first 3 mm (0. 12 in.) below the striking surface, indicating that there was lack of control during the final tempering operation. Hammers Impact 1080 UNS G10800 Brittle fracture Heat treating-related...
Image
Published: 01 June 2019
Fig. 1 Wire-end preparation for upset butt welding. The preparation was changed from chisel end (a) to square end (b) to eliminate test failures in welded zinc-coated AISI 1080 or 1055 steel wire. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001252
EISBN: 978-1-62708-235-8
.... The iron mold had been preheated to 125°C and its inner surface was dusted with aluminum powder. The block was 1780 mm long and had a diameter of 1020 mm at the top and 920 mm at the bottom. It was stripped after 10 3 4 hr, transferred into the forging furnace at 1080°C and then kept at 1200...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001659
EISBN: 978-1-62708-231-0
... Knoop Microhardness Measurements with 25g Load White Layer Along the Shell In the Base Metal Moving Away From the Shell 1080 462 1240 361 1330 314 1080 340 Microhardness Measurements and Relative Shell Position Microhardness measurements were conducted on the rail head...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001836
EISBN: 978-1-62708-241-9
... manufacturing as shown in Fig. 5 : The golden-yellow color particles could be either copper or a copper alloy as shown by the optical and SEM microphotographs. The diffusion of copper (melting point 1080 °C) in to the grain steel boundaries was the reason for the cracks on the bend extrados surface. Copper...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047010
EISBN: 978-1-62708-234-1
... h, TT at 650 °C (1200 °F) 1 h, AC 44 Udimet 630 ST at 1025 °C (1875 °F) 4 h, AC, A at 760 °C (1400 °F) 8 h, AC, A at 650 °C (1200 °F) 10 h, AC 44 René 41 ST at 1080 °C (1975 °F) 4 h, AC, A at 760 °(2 (1400 °F) 16 h, AC 37 Test Program Tests were made to determine (1) transverse...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001842
EISBN: 978-1-62708-241-9
.... This test of the unused roll showed a first natural frequency at 640 rpm and a second natural frequency at 1160 rpm. It is known that the roll that fractured was ordered along with several other, identical rolls by the mill at the same time. These rolls were first balanced by the manufacturer at 1080...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001715
EISBN: 978-1-62708-219-8
... in this example to indicate the effect of fracture toughness on the calculations. We use a fracture toughness of 30 MPa m 1/2 (33 ksi inch 1/2 ) as a lower bound value, because K Ic is assumed to equal about 20 to 30 MPa m 1/2 when Charpy V-notch absorbed energy values are less than 7 J (5 ft-lb), and 1080...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001762
EISBN: 978-1-62708-241-9
... also be seen. Bainite shows up as deeply etched structure further in from the origin in Fig. 19 . Core microstructure was ferrite plus pearlite for axles 1 and 2. Both stub axles had a fully pearlitic core structure. (Axle 3 chemistry was typical of 1080 steel.) Axle 2 contained a linear crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... ). Subsequently, as a result of spalling tests conducted with a variety of steels (1045, 1060, 1072, 1075, 1080, 1552, 9260, and 4340), J.W. Lodge reached the same conclusion. In a letter dated June 5, 1982, to Mr. Robert Burke, president of Warwood Tool, he stated, “My tests didn't show any superiority...
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
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... in a specified direction. The line can be observed through a light microscope, and its image can be stored for subsequent analysis. The resolution obtained depends on the objective lens optics. Roughness of fatigue fracture profiles from 1080 steel was characterized using the light-profile microscopy ( Ref 61...
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
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4