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chevron marks

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Image
Published: 01 December 1998
Fig. 8 Macroscopic chevron marks on the fracture surface of ASTM A517H plate pointing back toward the fracture origin More
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Published: 15 January 2021
Fig. 6 Chevron marks on the fracture surface of a steel plate from an oil storage tank that fractured in a brittle manner. The arrow shows the direction of crack propagation. More
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Published: 01 January 2002
Fig. 6 Chevron marks on the fracture surface of a steel plate from an oil storage tank that fractured in a brittle manner. The arrow shows the direction of crack propagation. More
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Published: 01 January 2002
Fig. 3 Surface of a fatigue fracture in a 4330V steel part. Chevron marks point to origin of fatigue in lower left corner. Arrows identify shear rupture along the periphery. More
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Published: 01 January 1996
Fig. 9 Macroscopic chevron markings on the fracture surface pointing back to the fracture origin. ASTM A517H plate. Source: Metals Handbook , 9th ed., Vol 12, Fractography , 1987, p 347 More
Image
Published: 01 January 1987
Fig. 181 View of the far left end of the top segment of the fractured pressure-vessel shell in Fig. 177 , showing chevron marks. The chevron marks were smeared subsequent to fracture, but can be clearly identified as pointing to the right. 0.3× More
Image
Published: 01 January 1987
origin (slightly to left of center, at top). Beyond the beach marks, cracking progressed by fast fracture along the hardened perimeter, producing two sets of chevron marks pointing toward the crack origin (like the chevron marks in Fig. 195 ). See also Fig. 197 . 1.25× More
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000606
EISBN: 978-1-62708-181-8
... in.) that formed part of a truss of a roof under construction. Fracture occurred when the temperature was below freezing and the wind velocity was 50 to 65 km/h (30 to 40 mph). Visible are chevron marks, which clearly point toward the fracture origin (at arrow) at a weld deposit in the upper edge of the vertical...
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Published: 30 August 2021
Fig. 4 Transmission pipe fracture surface showing the presence of chevrons, fracture-surface features that point back to the origin location. White lines were added to illustrate the chevron marks. More
Image
Published: 01 December 1998
was found at these origins. Visible are chevron marks, which also confirm these locations as the origins of fracture. Light fractograph. 5 8 × (c) Fracture surface outboard of the bolthole in the clevis-attachment lug at right in (b). Entire surface is typical of stress-corrosion cracking. Origin More
Image
Published: 01 January 2006
Fig. 14 Macroscopic features characteristic of fracture surfaces of implants that have failed by fatigue. (a) 316L implant showing beach marks. (b) Commercially pure titanium implant showing chevron marks More
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Published: 01 June 2012
Fig. 14 Macroscopic features characteristic of fracture surfaces of implants that have failed by fatigue. (a) 316L implant showing beach marks. (b) Commercially pure titanium implant showing chevron marks More
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Published: 30 August 2021
Fig. 45 Fracture path of failed pressure vessel. The arrows indicate the direction of crack propagation as determined from the chevron markings on the fracture faces. The letters identify the individual plates More
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Published: 01 January 2002
Fig. 28 Fracture path of failed pressure vessel. The arrows indicate the direction of crack propagation as determined from the chevron markings on the fracture faces. The letters identify the individual plates. More
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Published: 01 January 1987
Fig. 183 View of the bottom segment of the fractured shell in Fig. 177 , showing an area opposite the one in Fig. 182 . This view also reveals sharply defined chevron marks that point to the right. 0.45× More
Image
Published: 01 January 1987
Fig. 182 View of the top segment of the fractured pressure-vessel shell in Fig. 177 , showing an area just to the right of the area in Fig. 181 . Again, chevron marks are visible and consistently point to the right. 0.25× More
Image
Published: 01 January 2002
Fig. 14 Fatigue failure of a low-alloy steel part. Shear lips around most of the periphery (as at arrows) as well as chevron marks over most of the fracture surface aid in identifying the fatigue fracture area at the lower left corner. Source: Ref 15 More
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Published: 01 January 1987
Fig. 184 View of the top segment of the fractured shell in Fig. 177 , showing an area just to the left of the fracture origin. The continuity of the chevron marks that point toward location S (at right end) is much more perceptible here than in Fig. 179 because of a difference More
Image
Published: 01 January 1987
Fig. 1080 Fracture surface inboard of the bolthole in the clevis-attachment lug in Fig. 1079 . The primary stress-corrosion crack, which originated at arrow, is within the area enclosed by the dashed line (lower left). The remainder of this surface shows chevron marks typical of final fast More
Image
Published: 01 January 1987
Fig. 175 Another view of the fracture surface in Fig. 173 , displaying clearly the two dark arc-strike crescents that are indicated in both views by arrows at the top edge of the fracture surface. Chevron marks pointing to these crescents (which are the crack nuclei) are visible both here More