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Cleavage

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Published: 30 November 2013
Fig. 12 Cleavage-fracture model showing fracture direction, cleavage planes, and low-angle grain or subgrain boundary. Source: Ref 9 More
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Published: 01 August 2005
Fig. 2.34 Effect of quasi-cleavage—mixed cleavage and microvoid coalescence—on the fracture surface appearance of 17-PH stainless steel. TEM p-c replica, 4900× More
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Published: 01 September 2008
Fig. 13 Cleavage fracture in a low-carbon steel, seen through an SEM. Cleavage fracture in a notched impact specimen of hot-rolled 1040 steel broken at –196 °C (–320 °F), shown at three magnifications. The specimen was tilted at an angle of 40° to the electron beam. The cleavage planes More
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Published: 01 November 2012
Fig. 35 Examples of cleavage fractures. (a) Twist boundary, cleavage steps, and river patterns in an Fe-0.01C-0.24Mn-0.02Si alloy that was fractured by impact. (b) Tongues (arrows) on the surface of a 30% Cr steel weld metal that fractured by cleavage. Source: Ref 18 More
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Published: 01 November 2012
Fig. 36 Cleavage fracture in Armco iron showing a tilt boundary, cleavage steps, and river patterns. Transmission electron microscopy replica. Source: Ref 18 More
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Published: 01 November 2007
Fig. 5.10 SEM micrograph of a cleavage fracture surface on a 1018 steel. Original magnification 160× More
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Published: 01 August 2005
Fig. 7 Cleavage fracture in hardened steel, viewed under the scanning electron microscope. Note progression of “river” marks in the direction of arrow. Grain boundaries were crossed without apparent effect. Original magnification at 2000× More
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Published: 01 June 2008
Fig. 18.21 Hydrogen-embrittled steels. (a) Transgranular cleavage fracture in a hydrogen-embrittled annealed type 301 austenitic stainless steel. (b) Intergranular decohesive fracture in 4130 steel heat treated to 1280 MPa (185 ksi) and stessed at 980 MPa (142 ksi) while being charged More
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Published: 30 November 2013
Fig. 13 Cleavage fracture in hardened steel showing numerous “river” marks. The overall direction of crack propagation is in the direction of the arrow (i.e., downstream). New river patterns are created where grain boundaries were crossed. 125×. More
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Published: 01 January 2015
Fig. 19.21 Flat cleavage facets and microvoids on fracture surface of 4340 steel containing 0.003% P and tempered at 350 °C (662 °F). Specimen was broken by impact loading at room temperature. Source: Ref 19.49 More
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Published: 01 January 2015
Fig. 19.32 Transgranular cleavage facets in as-quenched martensite of 10B22 steel charged with hydrogen and subjected to tensile testing. The arrows point to secondary fracture in the large cleavage facets. SEM micrograph. Source: Ref 19.107 More
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Published: 01 October 2005
Fig. CH10.7 SEM fractograph on the interior, showing cleavage More
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Published: 01 October 2005
Fig. CH45.1 SEM fractograph of the fin showing cleavage-like features More
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Published: 01 June 2007
Fig. 44 SEM image of PM martensitic 410 surface with cleavage type fracture associated with a high degree of brittleness More
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Published: 01 August 2005
Fig. 2.30 Cleavage fracture from bend testing of 201 nickel in hydrogen atmosphere. (a) Ledgelike character of cleavage facets with small tongues on the bright facet (SEM, original magnification at 2000×). (b) Lower magnification view (original magnification at 500×) with higher-magnification More
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Published: 01 August 2005
Fig. 2.31 Cleavage fracture in Armco iron broken at −196 °C (−321 °F), showing river patterns, tongues, and (from bottom right to top left) a grain boundary. TEM p-c replica, 3000× More
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Published: 01 August 2005
Fig. 2.33 Cleavage fracture in a low-carbon martensitic steel. (a) Light microscope cross section with nickel plating at top showing the fracture profile. (b) Direct light photograph. (c) Direct SEM fractograph. (d) Light fractograph of replica. (e) SEM fractograph of replica. (f) TEM More
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Published: 01 August 2005
Fig. 2.35 Fracture model showing a cleavage step blending with a tear ridge in a quasi-cleavage fracture surface. At top left is the lower surface of a fracture, showing a step at the lower left and a ridge at the upper right. At right and at bottom are sections through the fractured member More
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Published: 01 August 2005
Fig. 2.36 Cleavage in a large second-phase particle on a fracture surface of A-286 steel More
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Published: 01 August 2005
Fig. 2.37 Quasi-cleavage in the surface of an impact fracture in a specimen of 4340 steel. The same area is shown in both SEM fractographs, but at different magnifications. The small cleavage facets in martensite platelets contain river patterns and are separated by tear ridges. Shallow More