Failure Analysis Case Studies II Episode 5 pps

... Meetings, Paper No. 8, 1987. 1043-1 054 . assessment of actual failures. TWI Research Members Report 51 2/19 95, June 19 95. Failure Analysis Case Studies N D.R.H. Jones (Editor) 0 2001 ... C, cu j=O 1 2 3 i=O i=2 i=3 i=4 1.118 1.4 05 3.891 8.328 -0.179 -20.370 5. 902 21.8 95 -0.339 0.130 -9. 057 3.032 23.217 -7 .55 5 - 36.992 12.676 134 Second...

Ngày tải lên: 13/08/2014, 15:22

... 101 164.8 162.2 163.74 1 65. 13 162.24 164.10 166.73 Heat of fusion (mJ mg-') 53 .48 54 . 85 53 .18 50 .11 49.21 50 .96 48.69 maxima at about 1 65 C. However, there are differences ... together. *Corresponding author. Tel.: 01908 653 271; fax: 01908 653 858 . Reprinted from Engineering Failure Analysis 6 (4), 197-214 (1999) 59 components having...

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... Region 111 Fe 35. 3 27.0 24.6 36.0 80.7 75. 8 92.6 96.3 Cu 56 .6 63.7 65. 1 55 .4 14.6 18 .5 4.4 1 .o AI 4.6 5. 6 5. 5 4.9 1.2 1.8 0.2 0.4 Mn 1.0 1.1 1.2 1 .O 0 .5 0.8 0.3 0.4 Cr ... Laboratory, 5. Widner, R. L. and Wolfe, J. O., Merul Progress, April 1968, pp. 52 -59 . 51 3. 130-1 34. Wright Research and Development Center, OH 454 33- 653 3, pp. 206,...

Ngày tải lên: 13/08/2014, 16:20

... HV ~TS (MW k, (MPa) 0 350 1120 700 10 360 1 152 720 17 .5 3 75 1200 750 22 .5 400 1280 800 Case 880 2816 1760 measured hardness at the centre is HV 350 , which agrees well with the ... it is not to involve frame bending FAILURE ANALYSIS CASE STUDIES I1 A sourcebook of case studies selected from the pages of Engineering Failure Analysis 1997- 1999...

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... 6 (a) ~~ 9 40-140 1 65 5 75 10+30 90-130 62 250 0 11+27 75- 150 35 55 00 11+ 25 85- 1 45 1 35 7 85 12 95- 140 46 3800 12 +50 65 50 3400 6.9 3.8 1.4 3.9 2 .5 3.0 where Ay = pipe ... Fig. 4. DCP sounding data. Failure Analysis Case Studies II D.R.H. Jones (Editor) 0 2001 Elsevier Science Ltd. All rights reserved 45 Torsion...

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... d = 2700mm = 2.7m p = 154 0 kgm-3 g = 9.81 m s-2 ozul = 2 .54 Nmm-’ = 2 .54 ~ 106Nm-* The equation for s becomes 2.7 x 154 0 x 9.81 x h 2 x 2 .54 x 106 S= 1.82~ = 1.46~ ... Figs 5 and 6. Longitudinals starboard of centre girder (numbering from centre girder) 1 Brittle fracture 2 Brittle fracture 3 Brittle fracture 4 Brittle fracture Failure An...

Ngày tải lên: 13/08/2014, 15:22

... Failure Analysis Case Studies II D.R.H. Jones (Editor) 0 200 1 Elsevier Science Ltd. All rights reserved 1 85 FATIGUE FAILURE OF THE DE HAVILLAND COMET ... the wall thickness. Taking D as ca 45 mm and t as 2 .5 mm together with the value ofp as 25 psi, then the hoop stress is thus about 2 25 psi or about 1 .55 MN m-*, a relatively benign stress ... 0.01 0.01...

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... 4 5 6 Mean 156 7 50 2 2310 130 42 191 1732 630 2420 143 52 200 1780 58 3 2169 147 48 1 80 2024 57 5 2288 168 48 189 1970 620 2222 163 51 184 158 2 6 25 2 156 131 52 179 1776 58 9 ... (pa) (pa) (MPa) (MPa) SI 1328 16 85 I10 I40 s2 1408 1628 I17 1 35 53 152 4 1602 126 133 s4 1 452 159 7 121 132 s5 1386 154 0 1 15 128 Trip 1 - 57 -...

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... Fatigue bend stress (MW 15 30 45 60 75 90 1 05 120 1 35 150 I 65 180 1 95 210 2 25 240 255 270 2 85 19 38 58 17 96 1 15 1 35 154 173 192 212 23 1 250 269 289 308 327 ... stress Cycles to failure (Ib) (MPa) ~ 15 30 45 60 75 90 1 05 120 1 35 150 1 65 180 1 95 210 2 25 240 255 270 2 85 23 47 70 93...

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... 14 16 PH Fig. AI. Zn02 1- h 5. c. e 0-+. Zn(0H)j passivation -+ . corrosion zn2+ - - . ._ corrosion -I - Zn immunity IIIIIIIII -2 0 2 4 6 8 10 12 14 16 PH ... ions can be estimated from Eqn (5) . The ionic mass of CI- is 35, and the molar mass of NaCl is 58 . The 250 ppm of C1- is therefore equivalent to (58 / 35) x 250 =414ppm of NaC1. The ioni...

Ngày tải lên: 13/08/2014, 15:22