Volume 09 - Metallography and Microstructures Part 5 pot

... martensite-bainite. 4% nital. 50 0×. (L.L. Bright) Fig. 44 Low-alloy cast steel (0.28C-0 .55 Mn-1.3Si-1.00Ni-1.5Cr- 0.4OMo), normalized at 9 25 °C (1700 °F), hardened by water quench from 900 °C (1 650 ... Composition Application AI-7 Macroetch 50 mL HCl and 50 mL H 2 O Dip at 7 0-8 0 °C (16 0- 1 75 °F) Nital General-purpose etch for iron and steels 2-1 0 mL HNO 3 and...

Ngày tải lên: 10/08/2014, 12:22

... rod. Vacuum-arc melted into 2700-kg (6000-lb) ingot, press forged, rotary forged to 150 -mm (6-in.) diam, annealed, and water quenched. Extruded to 38-mm (1 . 5- in.) diam, annealed and quenched, ... 1. 4-1 .5 9-1 0 Nickel 270 1. 5- 1 .8 1 0-1 2 Duranickel 301 1.2 5- 1 .5 8-1 0 37 mL H 3 PO 4 (conc), 56 mL glycerol, 7 mL H 2 O Monel 400 0. 9-1 6-7 Etching....

Ngày tải lên: 10/08/2014, 12:22

... rem 5. 0-7 .0 9. 0-1 1.0 0.7 0. 25 0.10 0.0 05 0.0 05 0. 05 0.02 3, 4, and 5 SAE 14 rem 9. 0-1 1.0 14. 0-1 6.0 0.7 0.6 0.10 0.0 05 0.0 05 0. 05 0.02 9, 10, and 11 SAE 15 rem ... SAE 15 rem 0. 9-1 .7 13. 5- 1 5. 5 0.7 0. 8-1 .2 0.10 0.0 05 0.0 05 0.02 0.02 40 SAE 16 (b) rem 3. 5- 4 .7 3. 0-4 .0 0.10...

Ngày tải lên: 10/08/2014, 12:22

... structure of α-aluminum seen in a melt-spun Al- 12Mn alloy. Small particles of another phase decorate the cell walls. Electropolished at -3 0 °C (- 20 °F) in 950 mL methanol, 50 mL HClO 4 , and 15 mL ... melt-spun Al- 15Mn alloy. The contrast between some cells indicates crystallographic misorientation (subgrains). Electropolished at - 30 °C (-2 0 °F) in 950 mL methanol,...

Ngày tải lên: 10/08/2014, 12:22

... glycol and water. Fig. 57 : using a 40-g load. Fig. 58 : using a 70-g load. Fig. 59 : using a 380-g load. Etch relief develops during polishing, being greater the larger the applied load. As-polished. ... on 0. 1- m Al 2 O 3 . Fig. 54 : using propylene glycol; scratches have not been removed. Fig. 55 : using a 2:1 mixture of propylene glycol and water; results are satisfactory....

Ngày tải lên: 10/08/2014, 12:22

... 1.000 0-0 .6310 2 0.7943 0.631 0-0 .3981 3 0.6310 0.398 1-0 . 251 2 4 0 .50 12 0. 251 2-0 . 158 5 5 0.3981 0. 158 5- 0 .1000 6 0.3162 0.100 0-0 .0631 7 0. 251 2 0.063 1-0 .0398 8 0.19 95 0.039 8-0 .0 251 9 0. 158 1 0.0 25 1-0 .0 158 ... Diameters of particles, mm 4 0.007 5- 0 .0100 19 0.0100 5 0.010 0-0 .01 25 13 0.01 25 Substitution in Eq 34 gives:...

Ngày tải lên: 10/08/2014, 12:22

... 1% nital. 50 0× in a matrix of pearlite. Picral. 330× Fig. 133 10 45 steel, 51 -mm (2-in.) bar stock, austenitized 2 h at 8 45 °C ( 155 0 °F), oil quenched 15 s, air cooled 5 min, and oil quenched ... ferrite (white). 10% Na 2 S 2 O 5 . 1000×. (M. Scott) Fig. 109 Steel specimen (Fe-0.22C-0.88Mn-0 .55 Ni-0 .50 Cr- 0.35Mo) taken 38 mm (1 .5 in.) from the quenched end of...

Ngày tải lên: 10/08/2014, 12:22

... 0.030 0.7 5- 1 .50 Al 633 (AM- 350 ) 0.0 7- 0.11 16.0 0-1 7.00 4.0 0 -5 .00 0. 5- 1 . 25 0 .5 0.040 0.030 2. 5- 3 .25Mo, 0.0 7-0 .13N 634 (AM 355 ) 0.1 0- 0. 15 15. 0 0-1 6.00 4.0 0 -5 .00 0. 5- 1 . 25 0 .5 0.040 ... 2. 5- 3 .25Mo 6 35 (Stainless W) 0.08 16.0 0-1 7 .50 6.0 0-7 .50 1.0 1.0 0.040 0.030 0.4Al, 0. 4-1 .2 Ti 1 5- 5 PH 0.07 14...

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... . . rem 15 IN-738 0.17 16 1. 75 0.9 3.4 3.4 0.01 0.10 0 .50 max 2.6 . . . 1. 75 . . . . . . rem 8 .5 MAR-M 246 0. 15 9 2 .5 . . . 1 .5 5 .5 0.0 15 0. 05 . . . 10 . . . 1 .5 . . . ... 1 .5 . . . . . . rem 10 TRW- NASA VIA 0.13 6.1 2 0 .5 1 5. 4 0.02 0.13 . . . 5. 5 . . . 9 0.2 0.43 rem 7 .5 U-700 0. 15 max 15 5.2 . . . 3 .5 4. 25...

Ngày tải lên: 10/08/2014, 12:22

... 2 95 (1 95) Al-4.5Cu-0.8Si 308 (A108) Al-4.5Cu -5 . 5Si 319 (319) Al-3.5Cu-6.0Si A332 (A132) Al-12.0Si-0.8Cu-1.2Mg-2.5Ni 354 ( 354 ) Al-9.0Si-1.8Cu-0.5Mg 355 ( 355 ) Al-1.3Cu -5 . 0Si-0.5Mg 356 ( 356 ) ... metals and brazing alloys ER2319 Al-6.2Cu-0.30Mn-0.15Ti ER4043 Al -5 . 2Si ER5 356 Al-0.12Mn -5 . 0Mg-0.12Cr-0.13Ti 54 56 Al-0.8Mn -5 . 1Mg-0.12Cr R-SG70A Al-7Si-0.30Mg 4...

Ngày tải lên: 10/08/2014, 12:22