Presentacion_Tesis_GZC

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    COMPORTAMIENTO A LA FATIGADE UNIONES SOLDADAS POR

    FRICCIÓN-AGITACIÓN (SFA) DE LA

    ALEACIÓN DE ALUMINIO 6261-T5

     Autor: Gregory Zey C!"#e$e%

    D!re&or' Fer$$o Fr$&oAre$% P*D

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    Contenido

    1/ I$ro#&&!0$2/ Oe!3o%4/ Mr&o e0r!&o

    / Meoo.og5/ Pre%e$&!0$ y $7.!%!% e re%#.o%6/ Co$&.#%!o$e%

    8/ Re&oe$&!o$e% y ro% "##ro%

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    Introducción 

    E. .#!$!o e% #$ er! 9r! 9.!e$e#!.!+ e$ . !$#%r! 9or %# re%!%e$&! e%9e&:&.; .% .e&!o$e% *$ 9er!!o e. e%rro..o e .3!&!0$ y %#% 9.!&&!o$e% &#.e$e %o$!$&...e%/

    Lo% e.!$g? (FS>) e% #$ &o$&e9o e

    %o.#r e$ "%e %o.! 9or "r!&&!0$; e.9ro&e!!e$o e% e&o$0!&o; $o %e $e&e%!9er%o$. e%9e&!.!+o; .o% er!.e% #!.!+o% e$. %o.#r $o ..eg$ %# e9er#r e "#%!0$/

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    ObjetivosOBJETIVOS ESPECÍFICOS

    • E$&o$rr . re.&!0$ e@!%e$e e$re .% 3r!.e%;3e.o&! e %o.#r y ro&!0$ e$ e. 9ro&e%oFS> &o$ .% 9ro9!ee% e . #$ e . .e&!0$e .#!$!o AA6261-T5/

    • E%.e&er . e &o$:g#r&!0$ e .3e.o&! e %o.#r y . ro&!0$ e$ ."re%or #$!3er%.; 9r oe$er .% eore%9ro9!ee% . "!g/

    • Re.!+r e. !gr S-N 9r e. er!. %e (AA6261-T5)/

    • E.orr e. !gr e%"#er+o 3! (S-N) e .#$!0$ 9or SFA e . .e&!0$ AA 6261-T5 &o$ .

    &o$:g#r&!0$ e%e/•

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    OBJETIVO GENERA

    Deer!$r e. &o9or!e$o "!g e

    #$!o$e% %o.% 9or "r!&&!0$ g!&!0$ e ..e&!0$ e .#!$!o 6261-T5/

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    o #r 9or r && $g!&!0$

    E% #$ &o$&e9o e %o.#r e$ "%e %0.!9or "r!&&!0$; e%9e&!.e$e e%rro.. 9r.% #$!o$e% e. .#!$!o y g$e%!o; %e %9r!$&!9.e$e e$ . #!.!+&!0$ e #$

    *err!e$ &!.$r!&; . . %e !$%er e$ree. o9e e .% 9!e+% #e %e 3$ #$!r; &o$#$ "#er+; 3e.o&! e %o.#r y ro&!0$eer!$; e. &o$&o e$re .% 9!e+% y .

    *err!e$ 9ro#&e #$ !$&ree$o e$ .e9er#r #e &oo re%#.o #$ B#oe er!.; e. . e% g!o y e+&.o*% oe$er #$ #$!0$ e.rg!& e$ "%e

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    r!.e% FS>

    • Ve!ocid"d de rot"ción# A.o% 3.ore% ge$er$.% e9er#r%; o #e %e ge$er yor&.e$!e$o 9or . "r!&&!0$; e. !$&ree$o $o e%.!$e. &! e. &oe:&!e$e/

    • Ve!ocid"d de so!d"dur"# S# &r&er%!&

    9r!$&!9. e% e. o3!!e$o e. er!. e"oroe%e . 9re "ro$. *&! . 9re e er7% e. 9!$;. !%!$#!r. e. o e gr$o #e$/

    • C"r$" "%i"!# Per!e #e . *err!e$9er$e+& e$ro e. er!. %e #r$e e.

    re&orr!o e. &or0$/ L g$!# e . "#er+&#$e %ore e. 9!$ #e$ &o$ e. !$&ree$o e .3e.o&! e %o.#r y !%!$#ye &o$ . 3e.o&!e ro&!0$/

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    • &err"'ient"# L "or y o e .*err!e$ !e$e gr$ !$B#e$&! e !9or$&!%ore . %$! y #e$% 9ro9!ee% e . #$!0$;e@!%e$ 3r!o% 9er:.e% e .o% 9!$e%; e. o egr$o e% e9e$!e$e 9r & !9o e 9!$/

    • An$u!o de inc!in"ción# E% #$ 3r!.e #e%e #!.!+ e ro% y e%#!o% re.!+o%

    $er!ore$e; e. 3.or e9.eo e% 1 re%9e&o . 3er!&./

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    r!.e% FS>

    F#e$e'/ E.$go3$; / H.%#r$!$/ I$B#e$&e% o" oo. 9!$9ro:.e $ e.!$g %9ee o$ *e "or!o$ o" "r!&!o$ %!r 9ro&e%%!$g+o$e !$ AA221J .#!$!# ..oy/

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    F!g

    H%#!$ %#g!r!0 #$ e%&. .og-.og e #$ .$e re&S-N; re.&!o$7$o.o e . %!g#!e$e "or'

    UEMATSU eer!$0 "!g e$ 6K61-T6 o$e %ere.!+ro$ e. !gr S-N 9r e. er!. %e y . #$ 9or SFA/More!r e%.e&!0 e. &re&!!e$o e gr!e 9r o%.e&!o$e% e .#!$!o (6K2-T6 y 6K61-T6) y .o&o9r0 &o$ e. er!. %e/S*!ge$o# !$# eer!$0 #e . !$!&!&!0$ e.% gr!e% !e$e e9e+r e%e e. er!. %e*&! . +o$ "e& 9or e. &.or

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    F#e$e' / Ue%# A./ F!g#e e*3!o#r o" "r!&!o$ %!re.% !*o# $e!*er e.!$g B%* $or B !$ %e3er..#!$!# ..oy%/

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    Meoo.og

    ("teri"! b"se

    L &o9o%!&!0$ #!& e. er!. %e %e9re%e$$ &o$!$#&!0$; .% 9.&% e.#!$!o e@r#!% %o$ o$% .!$3e%!g&!0$/

    Gregory+&,*o!./&o J

    L re%!%e$&! . e$%!0$ e% 25/K2 MP;.% 9.&% 9ro3!e$e$ !$!&!.e$e e.7!$% e@r#!%; e e..% %e e.or$9.&% e 85 e $&*o; 125 e.rgo y 4;15 e e%9e%or y .% 9r#e%%e re.!+$ e$ !re&&!0$ e . e@r#%!0$

    9r oe$er .o% eore% re%#.o% . !g#.#e .% #$!o$e% or FS>/

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    E)ui*oL "re%or #!.!+ e% #$ Cer3!$! 2ST e. e%e. e !$ge$!er e&7$!&;U$!3er%! e. ..e; &o$ 4P e 9oe$&!;

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    Meoo.og

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    &err"'ient"AISI 14 (&ero r79!o) &o$ r!e$o

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    E$%yo%

    Prueb" de dob!e+

    E% #$ e$%yo e%r#&!3o o$e %# oe!3o9r!$&!9. e% o%er3r . #&!.! e . %o.#r;y# ee&r e"e&o% e r+ y . &.! e.&or0$; . $or #!.!+ e% . ASTM 1JK-J2/

    B"rrido de 'icrodure+"Se re.!+$ e$ . %e&&!0$ r$%3er%. e. &or0$; e$#$ .$e . ! e. e%9e%or; &o$ 1K %eg#$o%e %o%e$!!e$o; 1 e e%9.+!e$o y 1KK

    gro%-"#er+ e &rg/ L% e!&!o$e% %ere.!+ro$ e$ #$ M!&ro#r0ero !&er% $oo9>!.%o$ oe.o K1MD e . e%e. !$ge$!er eer!.e%/

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    F#e$e'AMERICAN SOCIET FOR TESTING AND

    MATERIALS/ G#!e He$ Te% "or D#&!.!y o">e.%/ E1JK-J2

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    Tensión

    L $or ASTM EEM-11 "#e .9.!&; . 3e.o&! e &rg e% 1!$; e. e#!9o #!.!+o e% . #$g

     T T-J811/

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    E$%yo%

    L 7#!$ #!.!+ e% . #$g T T-J811; ."ree$&!% #!.!+% %o$ 1K y 4K +Q "&orRK/1/ L $or #!.!+ e% . ASTM E66; .geoer y !e$%!o$e% e$ e . 9roe%e.e&&!o$ #e 9.e &o$ .o% re#er!!e$o%%e 9re%e$ e$ . %!g#!e$e F!g#r/

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     e@9er!e$.

    T"'",o de 'uestr"

    A #$ 3r!.e .ogr!& !%r!#!$or.e$e 9oeo% 9.!&r.e .!%r!#&!0$ e %#e$; #!.!+$o e.o e #e%r/ Se !%e e.e@9er!e$o 9r re% 9#$o% e$ e. !grS-N/

    Gregory+&,*o!./&o 1

    L %!g#!e$e gr7:& 9er!e e%!r e.o e #e%r

    F#e$e' C*r.e% L!9%o$; Nre$r / S*e*; =C*r.e%L!9%o$; Nre$r / S*e*?; M&Gr-!../ C*9er J;

    F!g#e E@9er!e$%; 9ge 264-266

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    Co'*"r"ción entre dos tr"t"'ientos

    Poeo% #!.!+r . !%r!#&!0$ e %#e$9r &o9rr o% r!e$o% &o$ .%!g#!e$e e@9re%!0$'

    C#$o e$ .o% r!e$o% *y e%3!&!o$e%!%!$% %e ee or #$ e#!3.e$e

    Por .!o %e re.&!o$ . e%3!&!0$e#!3.e$e &o$ e. o e . #e%r 9r:$.e$e &o9rr .o% r!e$o%/

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     e@9er!e$.

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     re%#.o%

    An-!isis Visu"!

    . re %e 9re%e$ e$ oo% .o%&%o% e$ e. .o e reor$o; & 3e+#e !%!$#!o% . 3e.o&! e

    %o.#r . re %e *&e 7%e3!e$e/

    E. &o %#9er:&!. e% 9re"ere$e

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    Prueb" de dob!e+

    Pr .% &o$!&!o$e% e %o.#r %e 11; 14;y 25 . 9r#e o#3o #e$o% re%#.o%&o$ re%9e&o . #&!.! #e er!$%!e$o . 9ro9!/

    E$ &o$r%e .% &o$!&!o$e% 12 y 2 $o9re%e$ro$ #&!.! e$ . r+ e .

    %o.#r; .o . %e .e 9#ee r!#!r #$". e 9e$er&!0$ e . *err!e$ o .#%e e .% .7!$%/

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     re%#.o%

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    (icroestructur"

    L !&roe%r#&#r e. e. %e e%7&o9#e% 9or gr$o% e#!@!.e% gr$e%&o$ 9re&!9!o% &o*ere$e% e$ %# !$er!or ye$ !re&&!0$ . e@r#%!0$ re%#.$e% e.r!e$o

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    (icroestructur" en !"s condicionesde so!d"dur".O%er3o% . +o$ g! (SZ); . ero-e&7$!&e$e "e& (TMAZ) y .

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    B"rridos de 'icrodure+"

    O%er3$o .o% 3.ore% e #re+ e$ . +o$g! %e 9#ee !$#!r #e e! #e!%!$#ye . 3e.o&! e %o.#r#e$ . #re+; 9r .% 3e.o&!e% ero&!0$ e 1KK y JKK r9 %e o%er3 e%!% e$e$&!/(icrodure+" /011 r*'

    Gregory+&,*o!./&o 2K

     re%#.o%

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    (icrodure+" 211 r*'

    Co'*"r"ción tod"s !"scondiciones

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     re%#.o%

    F#e$e' / Ue%# A./ F!g#e e*3!o#r o" "r!&!o$ %!re.% !*o# $e!*er e.!$g B%* $or B !$ %e3er.

    .#!$!# ..oy%/

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    Prueb" de tensiónLo% re%#.o% e . re%!%e$&! . e$%!0$ %e#e%r$ e$ . %!g#!e$e .; L &o$!&!0$e %o.#r 25 9re%e$0 .% eore%

    9ro9!ee% e&7$!&% e e$%!0$Q %#re%!%e$&! "#e . 7% . &o$ 2K2/84 MP/

    E. e%"#er+o eer!$o e% 11K MP; #e

    &orre%9o$e . K e . &o$!&!0$ 7% (&o$!&!0$ 11); %e !e$e #$ o.er$&! e!o . !%9er%!0$ e .o% o%/

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     re%#.o%

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    Co'*"r"ción *rueb"s de tensión

    Pr re.!+r .% &o9r&!o$e% &o$ .!%r!#&!0$ e %#e$ %e #!.!+ro$ .o%%!g#!e$e% 3.ore%/

    Se $.!+ro$ .% &o$!&!o$e% #e !e$e$!g#. 3e.o&! e ro&!0$ 9r o%er3r e.

    e"e&o e . 3e.o&! e %o.#r yr!e$o% &o$ . !% re.&!0$ e3e.o&!/

    Gregory+&,*o!./&o 24

     re%#.o%

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    Prueb" de 3"ti$"

    F"ti$" '"teri"! b"seSe e3.#0 e$ #$ r$go e e%"#er+o% #e&o9re$e e%e e. 8 . 9or &!e$o e. re%!%e$&! e$%!0$/

    E. &oe:&!e$e e &orre.&!0$ e% K/J #$ 3.or#e !$!& #$ e9e$e$&! . e$re e.

    e%"#er+o 9.!&o y . 3! "!g/ L%&o$%$e% A y H 9ere$e&!e$e% .e@9re%!0$ e H%#!$ %o$'

    Gregory+&,*o!./&o 2

     re%#.o%

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    Co'*"r"ción entre tr"t"'ientos

    *"r" 3"ti$".o% 3.ore% #!.!+o% #r$e e.9ro&e!!e$o %e #e%r$ &o$!$#&!0$

    %!!.r . 9r#e e e$%!0$/

    Se &o9r0 &o$!&!o$e% e %o.#r #e!e$e$ . !% 3e.o&! e ro&!0$/Por .!o %e &o9rro$ r!e$o% "!g &o$ !g#. re.&!0$ 3e.o&! y %!!.r

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     re%#.o%

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    F"ti$" en !" condición de

    so!d"dur" 45.Se $e0 #$ r$go e e%"#er+o% e 162 11K MP #e &orre%9o$e$ e. K . 55e . re%!%e$&! . e$%!0$ e e%e

    r!e$o/

    E. &oe:&!e$e e &orre.&!0$ e% K/J4; .o%

    &oe:&!e$e% e H%#!$ %e e$e$r$ &o$.o% 3.ore% e . regre%!0$ .!$e. e$ e%&..ogr!&/

    Gregory+&,*o!./&o 26

     re%#.o%

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    Curv"s S6N co'*"r"tiv"s

    L !$er%e&&!0$ e .% o% re&% %e *&ee3!e$e &o$ .o% 3.ore% e .o% &oe:&!e$e%;9ero %e re#!ere re.!+r 7% 9r#e%9or#e "%!&e$e y e.rg!&e$e $o 

    e% 9ro.e/L% %!g#!e$e% e@9re%!o$e% %e #!.!+$ 9r&..r e. 3.or e. !$er&e9o'

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     re%#.o%

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    An-!isis '"croscó*ico

    E$ o% .% &o$!&!o$e% %e o#3o e. !%o9r0$ e ".. &o$ .% %!g#!e$e%&r&er%!&%' #$ !$!&!o e :%#r e$ . +o$&e$r. e. e%9e%or; . 9ro9g&!0$ !e$e

    .#gr e%e . 9re !$"er!or (r+ e. &or0$)*% e. .!o #e %e 9re%e$ $o .+o$ e% 9e#e y %e 9ro#&e . "..; ."r&#r :$. e%#3o e3!e$&!o 9or e. .!oe &ore #e e% e9e$!e$e e . &rg$o!$./

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    %

    De $er ge$er. y 9.!e$o e. oe!3o e . !$3e%!g&!0$; e.

    &o9or!e$o . "!g e. er!. %e "#e %#9er!or . eor&o$!&!0$ e %o.#r 9or "r!&&!0$ g!&!0$ #e "#e . 25; e!#e !%!$#ye e. e%"#er+o o %e re#!er 7% $ero e &!&.o% . FS>%e 3 &er&$o . er!. %e; #$#e !"&!.e$e .o .ogrr7 9or e.%ore-e$3ee&!!e$o #e 9re%e$ . .e&!0$ e .#!$!o e$ . +o$

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    %

    Se eer!$0 #e . eor &o$!&!0$ e %o.#r e%

    . 25; . 3e.o&! e ro&!0$ e% JKK r9 y .3e.o&! e %o.#r e K !$Q e$ .o% rr!o%e !&ro#re+ e% &o$!&!0$ 9re%e$ . eore%!.! .o .rgo e . %e&&!0$ r$%3er%. e.&or0$; e$ re%!%e$&! . e$%!0$ %# 3.or %#9er0 .o%3.ore% oe$!o% &o$ .% e7% &o$!&!o$e% y .e%3!&!0$ e%7$r "#e ; e$ . 3! "!g o$eoo% .o% r!e$o% %e e3.#ro$ . !%o r$go; .&o$!&!0$ 25 ..ego *% 1/6E6 &!&.o% y $o 9re%e$0

    "../Se re.!+0 e. !gr S-N 9r e. er!. %e; %e9ro&e!0 &o$ . regre%!0$ .!$e. y %e o#3!ero$ .o%&oe:&!e$e% e H%#!$ A y H; . e&!0$ re%#.$e"#e S288;22(N")-K/2K6/

    Gregory+&,*o!./&o 4K

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    %

    Se e$&o$rro$ .o% &oe:&!e$e% 9r . &o$!&!0$ e

    %o.#r 25; %e gr$!+0 e$ error e$or . 5 9or& 9#$o e$ . r3 S-N; . e&!0$ re%#.$e"#e S42J;55(N")-K/K8J1; e. 3.or e . 9e$!e$ee$ . regre%!0$ .!$e. e% yor 9or .o . %e

    !$er&e9$ .% re&% y e$ eer!$o $!3e. ee%"#er+o . FS> !e$e #$ eor re%#.o/

    L "r&#r e$ .o% e$%yo% e e$%!0$ y "!g e .

    eor &o$!&!0$ e %o.#r (25); %e 9re%e$ro$e$ . +o$

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    Re&oe$&!o$e%

    • L% 9r#e% e "!g %e ee$ re.!+r &o$ #$ $!3e. e

    e%"#er+o e$or 9r eer!$r y &orroorr &oo e% e.&o9or!e$o $o !e.e$e %e !$er&e9$ .% .$e%;gr$!+$o . 3.!e+ e .o% o%/

    • Re.!+r $#e3% #e%r% &o$ &o$!&!o$e% e %o.#r%!!.re% . 25 9r 3er!:&r .o% 3.ore% oe$!o% o

    e$&o$rr eore% re%#.o%/• Gr$!+r

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    Gregory+&,*o!./&o 44

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    Gregory+&,*o!. &o 4