Volume 12 - Fractography Part 13 ppsx

... (top) and the corrosion-fatigue fracture surface (bottom) of a solution- treated and peak-aged Al-5.6Zn-1.9Mg sample tested in deaerated 0.5 mol NaCl at a cathodic potential of - 1.6 V (SCE). Compare ... Fig. 1098 Fig. 1097 Corrosion-fatigue crack initiation and propagation in a solution-treated and peak-aged Al-4.2Mg-2.1Li P/M alloy tested in deaerated high-purity water. Fig. 109...

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... 212, 213) . The dimples on transgranular fractures and those on intergranular facets in a 0.3C-1Cr-1.25Mo-0.25V-0.7Mn-0.04P steel that was heat treated to an ultimate strength of 880 MPa (128 ... most prominent features unrecognizable. Fig. 77 Effect of a 70 0- °C (129 0- °F) air exposure on an annealed Ti-6Al-2Sn-4Zr- 6Mo alloy dimple rupture overload fracture. (a) As fractured....

Ngày tải lên: 10/08/2014, 12:22

... μ m) iron-titanium-molybdenum-rich particles were also observed. The larger particles were either titanium- or zirconium-rich, and these may also be an MC-type precipitate. Such grain- boundary ... examination. Figure 4 shows the range of particle sizes and a typical distribution of particles from a fracture surface of an Fe-0.03C-18.5Ni-3Mo-1.4Ti-0.1Al maraging steel specimen that was ....

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... 309 result from combined stage I/stage III propagation. 13 (J.M. Morris, U.S. Department of Transportation)

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... iron-aluminum alloys, especially those with higher aluminum contents. Shown here are fractographs of the flat fractures from tensile samples of an experimental iron-aluminum alloy (Fe-8Al-6Mo-0.8Zr-0.1C). ... grain-boundary triple points. 100×. Fig. 689: Wedge-type cavities (wedge cracks) form at triple points due to grain-boundary sliding and may be promoted by decohesion at interfaces b...

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... X, χ • • , ψ • • Ω, ω • μ • tcp • • TD • • TEM • • TME • • TTS • • TW-C • • TW-T • • TW-TC • • UNS • • UTS • • V • • vol • • vol% • • W • • W • • W a • • ... OD • • oz • • p • • P • • • • Pa • • p-c • • PDF • • > • • • • • • • • • • • • < • • • • • • ± • • - • • × • • · • • • • / • • % • • + •

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... (194 0-1 942) (Member, 193 7-1 942) • L.B. Case (193 1-1 933) (Member, 192 7-1 933) • T.D. Cooper (198 4-1 986) (Member, 198 1-1 986) • E.O. Dixon (195 2-1 954) (Member, 194 7-1 955) • R.L. Dowdell (193 8-1 939) ... (Member, 194 4-1 951) • L.J. Korb (1983) (Member, 197 8-1 983) • R.W.E. Leiter (196 2-1 963) (Member, 195 5-1 958, 196 0-1 964) • G.V. Luerssen...

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... 60, 1967, p 49 4-5 03 72. I-Wei Chen and A.S. Argon, Acta Metall., Vol 29, 1981, p 132 1-1 333 73. D.A. Miller and T.G. Langdon, Metall. Trans. A, Vol 10A (No. 11), 1979, p 163 5-1 641 74. K. Sadananda ... 1986, p 1173 212. A. Phillips, V. Kerlins, R.A. Rawe, and B.V. Whiteson, Electron Fractography Handbook, MCIC-HB- 08, Metals and Ceramics Information Center, 1976, p 3-5...

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... in a cup-and-cone fracture or by an alternate slip method producing a double-cup fracture. Cup-and-cone fractures are observed in ductile iron-base alloys, brass, and Duralumin; double-cup fractures ... wall thickness that was made from quenched-and-tempered AISI 1030 aluminum-killed fine-grain steel with an impact transition temperature below -4 5 °C (-5 0 °F). At room temperature,...

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... values Ref Al-4Cu 1.48 0-2 .390 18, 69 X7091 aluminum alloy 1 .1 2- 1.31 81 Ti-24V 1.064 82 Ti-28V 1.06 0-1 .147 16 4340 steels 1.44 7-1 .908 24, 69 Al 2 O 3 + 3% glass 1.2 3-1 .62 14 Prototype ... 580 512 (c) 77 L p (mm) L ' p 66.6 84.8 106.7 (b) 60 N L (mm -1 [N' L ] φ (a) 0.0731 0.0465 0.037 -4 9 N S (mm -2 ) N' A 3.45 × 10...

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