1-20 of 2885 Search Results for

cracks

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090359
EISBN: 978-1-62708-266-2
... Abstract This chapter describes how ultrasonic testing came to be a viable method for evaluating intergranular stress-corrosion cracking (SCC) in large-diameter stainless steel pipe welds in boiling water reactor service. Intergranular SCC can be difficult to detect using nondestructive...
Image
Published: 01 September 2008
Fig. 25 Examples of heat checking cracks on aluminum die-casting dies. Cracks are white because they are filled with aluminum. Courtesy of Villares Metals More
Image
Published: 01 January 2017
Fig. 18.10 Optical view of intergranular stress-corrosion cracks. The cracks exhibited extensive branching and crack wall corrosion. (2% Nital) More
Image
Published: 01 October 2011
Fig. 16.21 Axial cracks in a failed boiler tube from a nuclear power plant. The cracks were detected by nondestructive eddy current inspection. (a) and (b) show the same fracture surface as (a) a SEM backscatter electron image and (b) an optical microscope image. Courtesy of Marcus Brown, NDE More
Image
Published: 01 November 2013
Fig. 14 Thermal cracks in a cemented carbide insert. The thermal cracks are perpendicular to the cutting edge, and the mechanical cracks are parallel to the cutting edge. Original magnification: 15×. Source: Ref 7 More
Image
Published: 01 December 1999
Fig. 8.3 Examples of grinding cracks. (a) Cracks on the flank of a worm thread. (b) Micrograph of grinding cracks in case-hardened 8620 steel showing several small cracks (arrows at right) that extended through the hardened case to the core, and the burned layer on surface (dark band indicated More
Image
Published: 01 July 2009
Fig. 1.12 Two types of creep cracks found in grain boundaries: (a) w-type cracks and (b) r-type cracks. Source: Ref 1.24 More
Image
Published: 30 April 2024
Fig. 11.2 Quench cracks formed in oil-quenched tool steel die. Cracks originated from the sharp corners of the keyway and from holes that were located too close to the surface. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870201
EISBN: 978-1-62708-344-7
... Abstract This chapter provides a quantitative treatment of the cracking mechanisms associated with fatigue, drawing on the principles of fracture mechanics. It explains that although fracture mechanics originated with the aim of understanding sudden and catastrophic crack extension, the main...
Image
Published: 01 November 2023
Fig. 17 X-ray images (a) before and (b) after thermal cycling showing bump cracks. Copyright 2022 IEEE ( Ref 12 ) More
Image
Published: 30 June 2023
Fig. 11.13 Surface fatigue cracks on Curiosity forged wheel. Courtesy of Scot Forge More
Image
Published: 01 November 2019
Fig 28 Solder bump cracks from metal fatigue induced by cycling of high lateral stress forces. More
Image
Published: 01 November 2019
Figure 29 High magnification SEM image of the interposer corner. Cracks in the underfill are observed More
Image
Published: 01 January 2000
Fig. 62 Corrosion-fatigue cracks in carbon steel. A nital-etched section through corrosion-fatigue cracks that originated at hemispherical corrosion pits in a carbon steel boiler tube. Corrosion products are present along the entire length of the cracks. 250× More
Image
Published: 01 August 2018
Fig. 8.41 Proposed mechanism for the formation of hot cracks during solidification. Tensile stresses, if applied above the zero ductility temperature (TDZ) will cause separations and cracks. This temperature can be further reduced by impurity segregation, low melting eutectics, and so More
Image
Published: 01 August 2018
Fig. 8.42 Surface of hot cracks formed during continuous casting of steel. SEM, ES. The dendritic morphology is evident, even in the low-magnification image at the top. Copyright © 2007 Tenaris. Courtesy of C. Ciccuti, CINI, Argentina. More
Image
Published: 01 August 2018
Fig. 8.43 Surface of hot cracks formed during continuous casting of steels. SEM, BE. Points marked as 1 present second-phase particles spread as films over the dendrite surfaces. The small second-phase particles marked as 2 in the fracture surface are probably manganese sulfide (or a manganese More
Image
Published: 01 August 2018
Fig. 10.13 Heat treatment cycles for preventing hydrogen cracks superimposed on a hypothetical CCT curve. The “isothermal” cycle is the most commonly used. For steels in which diffusive decomposition of austenite is too slow, the “continuous cooling” heat treatment leads to good results More
Image
Published: 01 September 2008
Fig. 12 Examples of grinding cracks. (a) Two views of an S1 tool cutter die cracked and spalled after grinding. As-received (left) and after magnetic particle testing (right), accentuating the cracks Source: Ref 9 . (b) A D2 die that cracked due to incorrect grinding (arrow indicates grinding More
Image
Published: 01 September 2008
Fig. 6 SEM fractographs of the fracture surfaces of cracks 1 and 2 in the strain bar. (a) Fracture surface of crack 1, showing typical fatigue zones at arrows (750 μm). (b) Typical fatigue striations in crack 1 fatigue zones (30 μm). (c) Fracture surface at crack 2 of the strain bar, showing More