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Sinterizazio-atmosferaren eragina M graduko (ASP 30 ... - Euskara

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5 .11 Taula: Zenbait altzairu lasterren ezaugarri metalografikoak .<br />

5 .11 : Características metalográficas de algunos aceros rápidos .<br />

Altzairu <strong>Sinterizazio</strong>- Ale- MX- MX- M6C- M6C- ale-tamaina<br />

Atmosfera . tamaina frakzio bol tamaina frakzio bol tamaina muga (µm)<br />

(µm) (%) (µm) (%) (µm)<br />

T42 hutsealvacío 16 .8 5 .4 1 .6 6 .3 1 .39 17<br />

T42 N2-H2-CH4 14 .3 3 .8 0 .96 7 .7 1 .35 14<br />

T42 + 0.2% C hutsealvacío 17 .6 6 .5 1 .6 4 .4 1 .39 18 .5<br />

T42 + 0.2% C N2-H2-CH4 13 .4 3 .8 0 .96 8 .3 1 .35 13 .5<br />

T15 hutsealvacío 40 6 .6 2 .8 6 .2 1 .9 24 .6<br />

T15 N2-H2-CH4 15 .4 7 .4 1 .4 10 .9 1 .6 11 .1<br />

T15 + 0.2% C hutsealvacío 38 8 .5 3 .1 6 .0 2 .0 24 .3<br />

T15 + 0.2% C N 2-H2-CH4 12 .9 8 .5 1 .4 13 .2 1 .8 10 .1<br />

Px3OS hutsealvacío 21 2.3 3 .4 7 .9 1 .65 26 .7<br />

Px3OS N2-H2-CH4 11 .2 2 .6 1 .05 6 1 .7 22 .7<br />

Px<strong>30</strong>S+0.2%C hutsealvacío 19 .5 5 .4 1 .7 6 1 .66 19 .6<br />

Px<strong>30</strong>S+0.2%aC N2-H2-CH4 10 .5 4 .8 0 .83 11 1 .48 10 .8<br />

Px<strong>30</strong> hutsealvacío 21 7 .1 3 .1 8 .5 1 .338 18 .5<br />

Px<strong>30</strong> N2-H2-CH4 11 .2 5 .0 1 .1 10 1 .33 11 .2<br />

Px<strong>30</strong> + 0 .2%C hutsealvacío 19 .5 6 .7 3 .6 6 .7 1 .47 25 .2<br />

Px<strong>30</strong> + 0 .2%C N2-H2-CH4 10 .5 5 .3 0.84 10 .3 1 .12 8 .8<br />

M3/2 + 1% Co hutsealvacío 37 - - 11 2 .3 27 .8<br />

M3/2 + 1 % Co N2-H2-CH4 17 .3 5 .0 1 .1 8 .1 1 .6 14 .3<br />

M3/2 + 2% Co N2-H2-CH4 19 .4 4 .5 1 .0 5 .2 1 .8 19 .6<br />

M35 + 0.2% C hutsea/vacío 18 - - 10 1 .3 17 .3<br />

M35 + 1 % Co hutsealvacío 45 - - 7 .2 1 .9 35 .2<br />

M35 N2-H2-CH4 18 4 .7 0 .9 10 1 .5 11 .9<br />

M35 + 0.2% C N 2-H2-CH4 16 6 .3 0 .8 11 1 .5 9 .6<br />

M35 + 1 % Co N2-H2-CH4 17 .3 3 .1 1 .0 8 .5 1 .4 14 .9<br />

Acero atm . de sint . tamaño fracción tamaño de fracción tamaño tamaño de<br />

de grano<br />

(µm)<br />

v ol . MX<br />

(%)<br />

los MX<br />

(µm)<br />

vol. M6C M6C (µm) grano límite<br />

(µm)<br />

165

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