Volume 09 - Metallography and Microstructures Part 3 ppsx

... 1.0000 1.000 0-0 . 631 0 2 0.79 43 0. 631 0-0 .39 81 3 0. 631 0 0 .39 8 1-0 .2512 4 0.5012 0.251 2-0 .1585 5 0 .39 81 0.158 5-0 .1000 6 0 .31 62 0.100 0-0 .0 631 7 0.2512 0.0 63 1-0 . 039 8 8 0.1995 0. 039 8-0 .0251 9 0.1581 ... mm 2 , (N A ) i 1 0.0 63 1-0 .0501 1.000 0-0 . 631 0 104 2 0.050 1-0 . 039 8 0. 631 0-0 .39 81 161 3 0. 039 8-0 . 0...

Ngày tải lên: 10/08/2014, 12:22

... large particles are NbC. 39 HRC. 92 mL HCl, 5 mL H 2 SO 4 , and 3 mL HNO 3 . 1000× Fig. 127 Same alloy and condition as Fig. 125, creep-rupture tested 25 500 h at 730 °C ( 135 0 °F) and 172 ... 5, May 1968, p 22 5-2 41; June 1968, p 29 9- 30 9 42. G.P. Sabol and R. Stickler, Microstructure of Nickel-Base Superalloys, Phys. Stat. Sol., Vol 35 (No. 1), 1968, p 1...

Ngày tải lên: 10/08/2014, 12:22

... Al-1.3Cu-5.0Si-0.5Mg 35 6 (35 6) Al-7.0Si-0.3Mg A356 (A356) Al-7.0Si-0.3Mg-0.2Fe max A357 (A357) Al-7.0Si-0.5Mg-0.15Ti 38 0 (38 0) Al-9.0Si -3 . 5Cu 38 4 (38 4) Al-12.0Si -3 . 8Cu 39 2 (39 2) Al-19.0Si-0.6Cu-0.4Mn-1.0Mg ... Al-4.0Cu-1.5Mg-2.0Ni 295 (195) Al-4.5Cu-0.8Si 30 8 (A108) Al-4.5Cu-5.5Si 31 9 (31 9) Al -3 . 5Cu-6.0Si A 332 (A 132 ) Al-12.0Si-0.8Cu-1.2Mg-2.5Ni 35 4 (35 4) Al...

Ngày tải lên: 10/08/2014, 12:22

... (compare Fig. 29 and 30 ), improved retention of nonmetallic inclusions (compare Fig. 31 and 32 ), and reduction in the difference in level between different phases (compare Fig. 33 and 34 ). A slightly ... methods for showing phases in Al-13Si alloy. Fig. 47: specimen was polished on 1 0- to 2 0- m Al 2 O 3 on billiard cloth. Fig. 48: specimen was polished on 4- to...

Ngày tải lên: 10/08/2014, 12:22

... (1255 °F), and held 48 h. Structure is spheroidized carbide particles and lamellar pearlite in a ferrite matrix. Picral. 1000× Fig. 2 03 Hot-rolled alloy steel bar (1.2C-0.5Cr-0.9Mo- 0.2V), ... 0.20C-1.0Mn steel, as- quenched. The structure is pearlite (dark), martensite (light), and ferrite (white). 10% Na 2 S 2 O 5 . 1000×. (M. Scott) Fig. 109 Steel specimen (Fe-0.22C-0.88Mn...

Ngày tải lên: 10/08/2014, 12:22

... 1984, p 33 9 -3 42 8. "Standard Specification for Corrosion-Resistant High-Silicon Iron Castings," A 518, Annual Book of ASTM Standards, Vol 01.02, ASTM, Philadelphia, 1984, p 33 2 -3 38 9. ... Application AI-7 Macroetch 50 mL HCl and 50 mL H 2 O Dip at 7 0-8 0 °C (16 0- 175 °F) Nital General-purpose etch for iron and steels 2-1 0 mL HNO 3 and 9 0-9 8 mL...

Ngày tải lên: 10/08/2014, 12:22

... (AM -3 5 0) 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 (AM355) 0.1 0- 0.15 15.0 0-1 6.00 4.0 0-5 .00 0. 5-1 .25 0.5 0.040 0. 030 2. 5 -3 .25Mo 635 ... Precipitation-hardenable grades 630 (1 7-4 PH) 0.07 15.5 0-1 7.50 3. 0-5 .0 1.0 1.0 0.040 0. 030 3. 0 -3 .5Cu, 0.1 5-0 .45Nb + Ta...

Ngày tải lên: 10/08/2014, 12:22

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Ngày tải lên: 10/08/2014, 12:22

... micrograph. 33 % HCl and 17% HF in glycerol. 500× Fig. 7 Fig. 8 Nb-46.5Ti, 1 3- mm (0.5-in.) diam rod. Vacuum-arc melted into 2700-kg (6000-lb) ingot, press forged, rotary forged to 150-mm (6-in.) ... precipitate is probably ZrO 2 . 30 mL each 50% HF, H 2 SO 4 , and H 2 O with 3 to 5 drops 30 % H 2 O 2 . 250× Fig. 3 FS-85 niobium alloy (Nb-28Ta-11W-0.8Zr), 2.8-mm (0....

Ngày tải lên: 10/08/2014, 12:22

... 0. 035 max 0.040 max 0.2 0-0 .35 0 .3 5-0 .75 0 .3 5-0 .65 0 .3 0-0 .40 931 0 0.0 8-0 . 13 0.4 5-0 .65 0.025 max 0.025 max 0.2 0-0 .35 3. 0 0 -3 .50 1.0 0-1 .40 0.0 8-0 .15 and ... 0.2 0-0 .35 0 .3 5-0 .75 0 .3 5-0 .65 0.1 5-0 .25 8720 0.1 8-0 . 23 0.7 0-0 .90 0. 035 max 0.040 max 0.2...

Ngày tải lên: 10/08/2014, 12:22