Sinterizazio-atmosferaren eragina M graduko (ASP 30 ... - Euskara
Sinterizazio-atmosferaren eragina M graduko (ASP 30 ... - Euskara Sinterizazio-atmosferaren eragina M graduko (ASP 30 ... - Euskara
TABLE I Chemical analysis of as-received steel powders, wt-% C Si Cr O CO V Cu Mn Mo Ni P S W Px30 1 .33 0 .31 4 .28 488ppm 8 .70 3 .32 0 .08 0 .23 5 .14 0 .29 0 .024 0 .015 6 .63 Px30S 1 .29 0 .20 4 .03 667ppm 8 .45 2 .96 0 .09 0 .64 4 .83 0 .21 0 .022 0 .22 6 .25 TABLE II Sieve analysis of as-received steel powders powders Particle size (um) +150 +110 -+75 +63 +45 Px30 cumulative fraction (%) 0 .65 14 .85 25 .1 22 .9 Px30S cumulative fraction (%) 0 .09 9 .46 28 .4 66 .0
TABLE III Carbon, Nitrogen . and Oxygen contents and density at optimum sintering temperatu] Condition C N O Density Temperature (% wt) q/cc (°C) Px30 Powder 1 .37 0 .015 0 .075 Px30S Powder 1 .29 NE 0 .0667 Px30 +0 .2%C Powder 1 .57 NE NE Px30S+0 .2%C Powder 1 .50 0 .0065 0 .18 GAS sintered Px30 1 .24 0 .76 0 .025 8 .11 1230 Px30S 1 .27 0 .453 0 .161 8 .01 1230 Px30+0 .2%C 1 .55 0 .71 0 .038 8 .00 1205 Px30S+0 .2%C 1 .43 0 .436 0 .0708 7 .95 1210 VACUUM sintered Px30 1 .29 0 .012 0 .012 8 .04 1260 Px30S 1 .26 0 .0074 0 .0088 7 .94 1255 Px30+0 .2%C 1 .49 0 .012 0 .014 7 .92 1250 Px30S+0 .2%C 1 .43 0 .0081 0 .0176 7 .97 1240
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- Page 314 and 315: Figure 1 Microstructure of T42 + 0.
- Page 316 and 317: Figure 3 Microstructure of T15 (1 .
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- Page 334 and 335: INTRODUCTION Work carried out in th
- Page 336 and 337: etter than 5 Pa during the sinterin
- Page 338 and 339: gas atmosphere (see Table IV for qu
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- Page 348 and 349: Vasco, 1987, Bilbao, España . 13 .
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- Page 354 and 355: TABLE VII Chemical composition of C
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- Page 364 and 365: Frecuency (%) 100 90 - 80 - 70 - 60
- Page 366 and 367: Fig. 8 a) Eutectic type carbides .
- Page 369 and 370: March 10, 1992 Mr . J . J . Urcola
- Page 371 and 372: INTRODUCTION Work carried out in th
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- Page 375 and 376: DISCUSSION Densification Kinetics .
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- Page 387 and 388: 1 a v~ 00 v~ N 0o N ( £ m3/2) kLIS
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- Page 397 and 398: Q O x á á á 0 0 0 0 0 0 0 VI) L
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TABLE III<br />
Carbon, Nitrogen . and Oxygen contents and density at optimum sintering temperatu]<br />
Condition C N O Density Temperature<br />
(% wt) q/cc (°C)<br />
Px<strong>30</strong> Powder 1 .37 0 .015 0 .075<br />
Px<strong>30</strong>S Powder 1 .29 NE 0 .0667<br />
Px<strong>30</strong> +0 .2%C Powder 1 .57 NE NE<br />
Px<strong>30</strong>S+0 .2%C Powder 1 .50 0 .0065 0 .18<br />
GAS sintered<br />
Px<strong>30</strong> 1 .24 0 .76 0 .025 8 .11 12<strong>30</strong><br />
Px<strong>30</strong>S 1 .27 0 .453 0 .161 8 .01 12<strong>30</strong><br />
Px<strong>30</strong>+0 .2%C 1 .55 0 .71 0 .038 8 .00 1205<br />
Px<strong>30</strong>S+0 .2%C 1 .43 0 .436 0 .0708 7 .95 1210<br />
VACUUM sintered<br />
Px<strong>30</strong> 1 .29 0 .012 0 .012 8 .04 1260<br />
Px<strong>30</strong>S 1 .26 0 .0074 0 .0088 7 .94 1255<br />
Px<strong>30</strong>+0 .2%C 1 .49 0 .012 0 .014 7 .92 1250<br />
Px<strong>30</strong>S+0 .2%C 1 .43 0 .0081 0 .0176 7 .97 1240
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