Top Banner
Itckp dqwpfct{ unkfkpi cu c ukipkhkecpv ogejcpkuo qh nqy vgorgtcvwtg rncuvke fghqtocvkqp kp GECR cnwokpwo Piw{gp S0 Ejkpj 3.c . I{…ti{ X…t…u 3.d . Rfivgt U¦qoogt 3.e . ¥gplk Jqtkvc 4.f cpf Vgtgpeg I0 Ncpifqp 5.g 3 < Fgrctvogpv qh Igpgtcn Rj{ukeu. G…vx…u Wpkxgtukv{. Dwfcrguv 3339 Dwfcrguv. Rƒ¦oƒp{ R0 ufivƒp{ 31C0. Jwpict{ 4 < Fgrctvogpv qh Ocvgtkcnu Uekgpeg cpf Gpikpggtkpi. Hcewnv{ qh Gpikpggtkpi M{wujw Wpkxgtukv{. Hwmwqmc :34/:7:3. Lcrcp 5 < Fgrctvogpvu qh Cgtqurceg ( Ogejcpkecn Gpikpggtkpi cpf Ocvgtkcnu Uekgpeg Wpkxgtukv{ qh Uqwvjgtp Ecnkhqtpkc. Nqu Cpigngu. EC ;22:;/3675. WUC c < ejkpjBogvcn0gnvg0jw. d < XqtquBogvcn0gnvg0jw. e < u¦rnBogvcn0gnvg0jw f < jqtkvcB¦ckmq0m{wujw/w0ce0lr. g < ncpifqpBwue0gfw Mg{yqtfu< cvqoke hqteg oketqueqr{. gswcn/ejcppgn cpiwnct rtguukpi *GECR+. itckp dqwpfct{ unkfkpi. nqy vgorgtcvwtg rncuvke fghqtocvkqp. wnvtc/hkpg itckpu0 Cduvtcev< Tgegpvn{. vjg uvtguu/uvtckp tgncvkqpujkru qh jkij rwtkv{ Cn cpf Ew ygtg kpxguvkicvgf qxgt c ykfg tcpig qh uvtckp d{ eqodkpkpi fcvc qdvckpgf kp eqpxgpvkqpcn vgpukng cpf eqortguukqp vguvkpi qh cppgcngf ucorngu ykvj fcvc qdvckpgf chvgt rtqeguukpi d{ gswcn/ejcppgn cpiwnct rtguukpi *GECR+ vq jkij korqugf uvtckpu0 Kv ycu ujqyp vjcv vjg pcvwtg qh vjg ocetqueqrke uvtguu/uvtckp tgncvkqpujkr ejctcevgtkuvkecnn{ ejcpigu kp fkhhgtgpv tgikqpu qh vjg vguvkpi vgorgtcvwtg0 Kp vjg nqy vgorgtcvwtg tgikqp vjg ocetqueqrke uvtguu/uvtckp dgjcxkqt ujqyu c oqpqvqpqwun{ kpetgcukpi vgpfgpe{ qxgt vjg gpvktg tcpig qh uvtckp kpjgtgpv kp vjgug gzrgtkogpvu. yjkng cv jkij vguvkpi vgorgtcvwtgu vjg hnqy uvtguu kpetgcugu qpn{ wr vq c egtvckp uvtckp0 Kv ycu cnuq ujqyp vjcv kp vjg rqukvkxg uvtckp/jctfgpkpi tgikqp vjg uvtguu/uvtckp tgncvkqpujkr ecp dg fguetkdgf d{ cp gzrqpgpvkcn/rqygt ncy eqpuvkvwvkxg gswcvkqp yjkej kpenwfgu vjg ockp hgcvwtgu qh vjg eqpxgpvkqpcn Jqnnqoqp rqygt/ncy cpf vjg Xqeg gzrqpgpvkcn tgncvkqpujkru0 Qp vjg dcuku qh vjku pgy gswcvkqp. nqy cpf jkij vgorgtcvwtg fghqtocvkqp tgikqpu ecp dg fghkpgf0 Kp vjg rtgugpv yqtm. cffkvkqpcn tguwnvu ctg tgrqtvgf qp vjg ogejcpkuo qh uvgcf{/uvcvg hnqy qh rwtg Cn fghqtogf cv nqy vgorgtcvwtgu0 Tguwnvu qdvckpgf d{ eqortguukqp cpf kpfgpvcvkqp vguvu qp GECR Cn ucorngu. kp cffkvkqp vq cvqoke hqteg oketqueqr{ *CHO+. ujqy vjcv kp vjg nqy vgorgtcvwtg tgikqp itckp dqwpfct{ unkfkpi *IDU+ ku c ukipkhkecpv ogejcpkuo qh rncuvke fghqtocvkqp cv jkij uvtckpu0 3+ Kpvtqfwevkqp< dcemitqwpf qh vjg rtgugpv yqtm Wukpi vjg fghqtocvkqp ogejcpkuo ocru rwdnkujgf oqtg vjcp 42 {gctu ciq d{ Htquv cpf Cujd{ ]3_. kv ku rquukdng vq ngctp owej cdqwv vjg ockp ogejcpkuou qh rncuvke fghqtocvkqp hqt uvgcf{/uvcvg hnqy qh Cn cv jkij vguvkpi vgorgtcvwtgu. o V V 7 0 2 . yjgtg V o ku vjg cduqnwvg ognvkpi rqkpv0 Htqo vjgug ocru. cpf htqo ugxgtcn ncvgt yqtmu ]3/6_. kv ku ygnn mpqyp vjcv vjg uvgcf{/uvcvg hnqy cv kpvgtogfkcvg uvtguugu ecp dg fguetkdgf d{ vjg uq/ecnngf rqygt/ncy etggr tgncvkqpujkr ejctcevgtk¦gf d{ cp cevkxcvkqp gpgti{. S. qh ugnh fkhhwukqp * mL1oqng 362 S + cpf c uvtguu gzrqpgpv. p. qh \ 7 6 / 0 Kp vjg tgikqp qh nqy vguvkpi vgorgtcvwtgu * o V V 7 0 2 > +. vjg eqpxgpvkqpcn ocru eqpvckp qpn{ nkokvgf gzrgtkogpvcn fcvc hqt Cn ykvj itckp uk¦g nctigt vjcp 32たo0 Tcvjgt. oqfgn/dcugf ecnewncvgf tguwnvu ctg c ejctcevgtkuvke qh vjg Ðnqy vgorgtcvwtg etggrÑ kp vjgug ocru0 Kp oquv uvwfkgu vq fcvg. yjgvjgt gzrgtkogpvcn qt vjgqtgvkecn. vjg kpxguvkicvkqpu jcxg dggp tguvtkevgf uq vjcv vjg{ eqxgt tgncvkxgn{ nqy uvtckpu cv nqy vgorgtcvwtgu qh fghqtocvkqp qt tgncvkxgn{ jkij uvtckpu wpfgt etggr eqpfkvkqpu cv jkij vgorgtcvwtgu qh fghqtocvkqp0 Kp vjg tgikog qh nqy vgorgtcvwtgu. cvvgpvkqp ku fktgevgf rtkoctkn{ vq vjg yqtm/jctfgpkpi dgjcxkqt. hqt yjkej ugxgtcn oqfgnu jcxg dggp rtqrqugf vq fguetkdg vjg uvtguu/uvtckp * g u / + tgncvkqpujkr kp vjg fkhhgtgpv tgikqpu qh uvtckp ]7/;_0 Tgegpvn{. cp cnvgtpcvkxg crrtqcej ycu fgxgnqrgf hqt rwtg Cn cpf rwtg Ew d{ ujqykpi vjcv. kp vjg vgorgtcvwtg tcpig dgvyggp 4;5 cpf 695 M eqttgurqpfkpi vq jqoqnqiqwu vgorgtcvwtgu qh Materials Science Forum Vols. 503-504 (2006) pp 1001-1006 Online available since 2006/Jan/15 at www.scientific.net © (2006) Trans Tech Publications, Switzerland doi:10.4028/www.scientific.net/MSF.503-504.1001 All rights reserved. No part of contents of this paper may be reproduced or transmitted in any form or by any means without the written permission of TTP, www.ttp.net. (ID: 80.98.237.145-07/01/13,21:16:07)
7

Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

May 01, 2023

Download

Documents

Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

Itckp"dqwpfct{"unkfkpi"cu"c"ukipkhkecpv"ogejcpkuo"qh"nqy"vgorgtcvwtg""rncuvke"fghqtocvkqp"kp"GECR"cnwokpwo""

"Piw{gp"S0"Ejkpj3.c."I{…ti{"X…t…u3.d."Rfivgt"U¦qoogt3.e."¥gplk"Jqtkvc4.f""

cpf"Vgtgpeg"I0"Ncpifqp5.g"3<"Fgrctvogpv"qh"Igpgtcn"Rj{ukeu."G…vx…u"Wpkxgtukv{."Dwfcrguv""

3339"Dwfcrguv."Rƒ¦oƒp{"R0"ufivƒp{"31C0."Jwpict{"4<"Fgrctvogpv"qh"Ocvgtkcnu"Uekgpeg"cpf"Gpikpggtkpi."Hcewnv{"qh"Gpikpggtkpi"

M{wujw"Wpkxgtukv{."Hwmwqmc":34/:7:3."Lcrcp"5<"Fgrctvogpvu"qh"Cgtqurceg"("Ogejcpkecn"Gpikpggtkpi"cpf"Ocvgtkcnu"Uekgpeg"

Wpkxgtukv{"qh"Uqwvjgtp"Ecnkhqtpkc."Nqu"Cpigngu."EC";22:;/3675."WUC"c<"ejkpjBogvcn0gnvg0jw."d<"XqtquBogvcn0gnvg0jw."e<"u¦rnBogvcn0gnvg0jw"

f<"jqtkvcB¦ckmq0m{wujw/w0ce0lr."g<"ncpifqpBwue0gfw""Mg{yqtfu<" cvqoke" hqteg" oketqueqr{." gswcn/ejcppgn" cpiwnct" rtguukpi" *GECR+." itckp" dqwpfct{"unkfkpi."nqy"vgorgtcvwtg"rncuvke"fghqtocvkqp."wnvtc/hkpg"itckpu0""Cduvtcev<"Tgegpvn{."vjg"uvtguu/uvtckp"tgncvkqpujkru"qh"jkij"rwtkv{"Cn"cpf"Ew"ygtg"kpxguvkicvgf"qxgt"c"ykfg"tcpig"qh"uvtckp"d{"eqodkpkpi"fcvc"qdvckpgf"kp"eqpxgpvkqpcn"vgpukng"cpf"eqortguukqp"vguvkpi"qh"cppgcngf"ucorngu"ykvj"fcvc"qdvckpgf"chvgt"rtqeguukpi"d{"gswcn/ejcppgn"cpiwnct"rtguukpi"*GECR+"vq"jkij" korqugf" uvtckpu0" Kv" ycu" ujqyp" vjcv" vjg" pcvwtg" qh" vjg" ocetqueqrke" uvtguu/uvtckp" tgncvkqpujkr"ejctcevgtkuvkecnn{" ejcpigu" kp" fkhhgtgpv" tgikqpu" qh" vjg" vguvkpi" vgorgtcvwtg0" Kp" vjg" nqy" vgorgtcvwtg"tgikqp"vjg"ocetqueqrke"uvtguu/uvtckp"dgjcxkqt"ujqyu"c"oqpqvqpqwun{"kpetgcukpi"vgpfgpe{"qxgt"vjg"gpvktg" tcpig" qh" uvtckp" kpjgtgpv" kp" vjgug" gzrgtkogpvu." yjkng" cv" jkij" vguvkpi" vgorgtcvwtgu" vjg" hnqy"uvtguu" kpetgcugu"qpn{"wr"vq"c"egtvckp"uvtckp0"Kv"ycu"cnuq"ujqyp"vjcv" kp"vjg"rqukvkxg"uvtckp/jctfgpkpi"tgikqp" vjg" uvtguu/uvtckp" tgncvkqpujkr" ecp" dg" fguetkdgf" d{" cp" gzrqpgpvkcn/rqygt" ncy" eqpuvkvwvkxg"gswcvkqp"yjkej"kpenwfgu"vjg"ockp"hgcvwtgu"qh"vjg"eqpxgpvkqpcn"Jqnnqoqp"rqygt/ncy"cpf"vjg"Xqeg"gzrqpgpvkcn"tgncvkqpujkru0"Qp"vjg"dcuku"qh"vjku"pgy"gswcvkqp."nqy"cpf"jkij"vgorgtcvwtg"fghqtocvkqp"tgikqpu" ecp"dg"fghkpgf0" Kp" vjg"rtgugpv"yqtm." cffkvkqpcn" tguwnvu" ctg" tgrqtvgf"qp" vjg"ogejcpkuo"qh"uvgcf{/uvcvg" hnqy"qh"rwtg"Cn"fghqtogf"cv" nqy" vgorgtcvwtgu0"Tguwnvu"qdvckpgf"d{"eqortguukqp"cpf"kpfgpvcvkqp"vguvu"qp"GECR"Cn"ucorngu."kp"cffkvkqp"vq"cvqoke"hqteg"oketqueqr{"*CHO+."ujqy"vjcv"kp"vjg" nqy" vgorgtcvwtg" tgikqp" itckp" dqwpfct{" unkfkpi" *IDU+" ku" c" ukipkhkecpv" ogejcpkuo" qh" rncuvke"fghqtocvkqp"cv"jkij"uvtckpu0""3+"Kpvtqfwevkqp<"dcemitqwpf"qh"vjg"rtgugpv"yqtm"" Wukpi" vjg" fghqtocvkqp"ogejcpkuo"ocru" rwdnkujgf"oqtg" vjcp" 42" {gctu" ciq" d{" Htquv" cpf"Cujd{" ]3_." kv" ku" rquukdng" vq" ngctp" owej" cdqwv" vjg" ockp" ogejcpkuou" qh" rncuvke" fghqtocvkqp" hqt"uvgcf{/uvcvg" hnqy"qh"Cn"cv" jkij" vguvkpi" vgorgtcvwtgu." oVV 702‡ ."yjgtg"Vo" ku" vjg"cduqnwvg"ognvkpi"rqkpv0"Htqo"vjgug"ocru."cpf"htqo"ugxgtcn" ncvgt"yqtmu"]3/6_." kv" ku"ygnn"mpqyp"vjcv" vjg"uvgcf{/uvcvg"hnqy" cv" kpvgtogfkcvg" uvtguugu" ecp" dg" fguetkdgf" d{" vjg" uq/ecnngf" rqygt/ncy" etggr" tgncvkqpujkr"ejctcevgtk¦gf"d{"cp"cevkxcvkqp"gpgti{."S."qh"ugnh"fkhhwukqp"* mL1oqng362…S +"cpf"c"uvtguu"gzrqpgpv."p."qh"\ 76 / 0"Kp"vjg"tgikqp"qh"nqy"vguvkpi"vgorgtcvwtgu"* oVV 702> +."vjg"eqpxgpvkqpcn"ocru"eqpvckp"qpn{" nkokvgf" gzrgtkogpvcn" fcvc" hqt" Cn" ykvj" itckp" uk¦g" nctigt" vjcp" 32たo0" Tcvjgt." oqfgn/dcugf"ecnewncvgf"tguwnvu"ctg"c"ejctcevgtkuvke"qh"vjg"Ðnqy"vgorgtcvwtg"etggrÑ"kp"vjgug"ocru0"Kp"oquv"uvwfkgu"vq" fcvg." yjgvjgt" gzrgtkogpvcn" qt" vjgqtgvkecn." vjg" kpxguvkicvkqpu" jcxg" dggp" tguvtkevgf" uq" vjcv" vjg{"eqxgt"tgncvkxgn{"nqy"uvtckpu"cv"nqy"vgorgtcvwtgu"qh"fghqtocvkqp"qt"tgncvkxgn{"jkij"uvtckpu"wpfgt"etggr"eqpfkvkqpu" cv" jkij" vgorgtcvwtgu" qh" fghqtocvkqp0" Kp" vjg" tgikog" qh" nqy" vgorgtcvwtgu." cvvgpvkqp" ku"fktgevgf"rtkoctkn{"vq"vjg"yqtm/jctfgpkpi"dgjcxkqt."hqt"yjkej"ugxgtcn"oqfgnu"jcxg"dggp"rtqrqugf"vq"fguetkdg"vjg"uvtguu/uvtckp"* gu / +"tgncvkqpujkr"kp"vjg"fkhhgtgpv"tgikqpu"qh"uvtckp"]7/;_0""

Tgegpvn{."cp"cnvgtpcvkxg"crrtqcej"ycu"fgxgnqrgf"hqt"rwtg"Cn"cpf"rwtg"Ew"d{"ujqykpi"vjcv."kp" vjg" vgorgtcvwtg" tcpig" dgvyggp" 4;5" cpf" 695"M" eqttgurqpfkpi" vq" jqoqnqiqwu" vgorgtcvwtgu" qh"

Materials Science Forum Vols. 503-504 (2006) pp 1001-1006Online available since 2006/Jan/15 at www.scientific.net© (2006) Trans Tech Publications, Switzerlanddoi:10.4028/www.scientific.net/MSF.503-504.1001

All rights reserved. No part of contents of this paper may be reproduced or transmitted in any form or by any means without the written permission of TTP,www.ttp.net. (ID: 80.98.237.145-07/01/13,21:16:07)

Page 2: Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

>207" Vo" hqt" Cn" cpf" >205" Vo" hqt" Ew." vjg" ocetqueqrke" gu / " tgncvkqpujkr" oc{" dg" hkvvgf" d{" vjg"hqnnqykpi"eqpuvkvwvkxg"gswcvkqp"]32_<""

ÙÚ

×ÈÉ

ÇÕÕÖ

ÔÄÄÅ

à //-?

e

p

q gguuu gzr33 ." " " " " " " " " *3+"

"yjgtg qu ." 3u ." eg "cpf"vjg"gzrqpgpv"p"ctg"eqpuvcpv"hkvvkpi"rctcogvgtu"cpf"vjg"uvtckp" g "ku"vcmgp"cu"vjg"cduqnwvg"coqwpv"qh"uvtckp"tgncvkxg"vq"vjg"cppgcngf"uvcvg0""D{"kpeqtrqtcvkpi"vjg"dgjcxkqt"qh"ucorngu"ugxgtgn{"fghqtogf"d{"crrn{kpi"gswcn/ejcppgn"cpiwnct"rtguukpi"*GECR+."kv"ycu"pqvgf"vjcv"vjg"pgy"eqpuvkvwvkxg" tgncvkqpujkr" ujqyp" kp" gswcvkqp" *3+" crrnkgu" qxgt" c" ykfg" tcpig" qh" uvtckpu" hqt" vguvkpi"vgorgtcvwtgu" htqo"4;5" vq"695"M"yjgp" vjg"oketquvtwevwtgu"qh"Cn" kpvtqfwegf"d{"GECR"rtqeguukpi"tgockp" uvcdng"ykvj" cxgtcig" hkpg" itckp" uk¦gu" qh" o33 o0\ " ]33_0" " Hkiwtg" 3" ujqyu." hqt" gzcorng." vjg"gzrgtkogpvcn" gu / "fcvc"qdvckpgf"cv" tqqo" vgorgtcvwtg" *4;5"M+"cpf"cv"695"M"cpf" vjg" hkvvgf" nkpgu"dcugf"qp"gswcvkqp"*3+"hqt"vjg"vyq"ukvwcvkqpu"qh"*c+"uocnn"kpkvkcn"uvtckpu"cpf"*d+"c"ykfg"tcpig"qh"uvtckp."tgurgevkxgn{."vjgtgd{"fgoqpuvtcvkpi"vjg"xcnkfkv{"qh"vjg"eqpuvkvwvkxg"tgncvkqpujkr0" "Hwtvjgtoqtg."vjku"crrtqcej." cu" fqewogpvgf" kp" gswcvkqp" *3+." tghngevu" vjg" ockp" hgcvwtgu" qh" vjg" oqtg" eqpxgpvkqpcn"Jqnnqoqp/v{rg"rqygt"ncy"]7_"cpf"vjg"Xqeg/v{rg"gzrqpgpvkcn"gswcvkqp"]9_0""""""""""""Hkiwtg"3<"Gzrgtkogpvcn" gu / "fcvc"cpf"c"hkvvgf"nkpg"dcugf"qp"gswcvkqp"*3+"hqt"*c+"nqy"uvtckpu"cpf"

*d+"c"ykfg"tcpig"qh"uvtckp"hqt"rwtg"Cn"fghqtogf"cv"4;5"cpf"695"M0""" Cp"gzcokpcvkqp"qh"gswcvkqp"*3+"ujqyu"vjcv."cu"vjg"hnqy"uvtguu."u ."vgpfu"vq"c"ucvwtcvkqp"xcnwg"qh" +* 3u-u?u qucv ."vjg"fghqtocvkqp"rtqeguu"oc{"dg"tgictfgf"cu"vjg"uvgcf{/uvcvg"eqpfkvkqp"yjkej"ku"gswkxcngpv" vq" vjg" hnqy" rtqeguu" kp" vjg" ugeqpfct{" qt" uvgcf{/uvcvg" uvcig" qh" etggr0" "Jqygxgt." kp" vjg"tcpig"qh" vguvkpi"vgorgtcvwtgu"dgvyggp"4;5"cpf"695"M."vjg"ucvwtcvkqp"uvcvg"ku"cvvckpgf"qpn{"cv"xgt{"jkij"uvtckpu"*k0g0." ucvuu ;702… "kh" 4‡g +"uq"vjcv."hqt"rtcevkecn"rwtrqugu."vjg"fghqtocvkqp"qh"cppgcngf"ucorngu"ku"tgrtgugpvgf"d{"vjg"yqtm/jctfgpkpi"dgjcxkqt"qxgt"vjg"gpvktg"tcpig"qh"fghqtocvkqp"cpf"vjg"ocetqueqrke"hnqy"uvtguu" kpetgcugu"oqpqvqpqwun{"ykvj" kpetgcukpi"uvtckp0" "Vjku"oc{"dg"tgictfgf"cu"gswkxcngpv"vq"vjg"rtkoct{"uvcig"kp"jkij"vgorgtcvwtg"etggr0"Kv"ujqwnf"dg"gorjcuk¦gf"vjcv"cv"xgt{"jkij"uvtckpu" * 4@g +." yjgtg" uvgcf{/uvcvg" hnqy" ecp" dg" cejkgxgf" cv" uvtguugu" pgct" vjg" ucvwtcvkqp" xcnwg" qh"

+* 3u-u?u qucv ."vjg"itckp"uk¦g"qh"Cn"ku"wnvtc/hkpg"ykvj"c"xcnwg"qh" o33 o0\ 0"Vjku"oc{"gzrnckp"yj{"vjg" tgikqp" qh" nqy" vgorgtcvwtg" uvgcf{/uvcvg" hnqy" ku" okuukpi" htqo" vjg" eqpxgpvkqpcn" fghqtocvkqp"ogejcpkuo"ocru"hqt"Cn"ucorngu"jcxkpi"itckp"uk¦gu"nctigt"vjcp" o32 o 0"" Kp"c"tgegpv"rcrgt"]34_."kv"ycu"cnuq"ujqyp"vjcv"cp"kpetgcug"kp"vjg"vguvkpi"vgorgtcvwtg"ngcfu"vq"vjg"cfxgpv"qh"vjg"ugeqpfct{"uvcig"qh"etggr"cv"tgncvkxgn{"uocnn"uvtckpu0"Hwtvjgtoqtg."hqt"vjg"tgcn"yqtm/jctfgpkpi" uvcig" * 21 @•• gu +." vjg" gu / " tgncvkqpujkr" qdvckpgf" cv" jkij" vguvkpi" vgorgtcvwtgu"* oVV 702@ +" oc{" dg" ceewtcvgn{" fguetkdgf" d{" gswcvkqp" *3+" cpf" vjg" ugeqpfct{" etggr" ecp" dg"ejctcevgtk¦gf"wpcodkiwqwun{"d{"c"hkvvgf"ucvwtcvkqp"eqpfkvkqp." 3uuu -? qucv ."uq"vjcv" ucvu "gzrtguugu"vjg"xcnwg"qh"vjg"uvgcf{/uvcvg"uvtguu"kp"vjku"uvcig"qh"vjg"fghqtocvkqp"rtqeguu0""

2 3 4 5 6 7 8 9 : ;2

42

62

82

:2

322

342

362"

pgy"tgncvkqpujkr

695"M

Uvtckp."g

Uvtg

uu."u"]O

Rc_

4;5"M

"

d+"

2022 2027 2032 2037 20422

42

62

82

:2

pgy"tgncvkqpujkr

4;5"M

695"M

Cppgcngf"Cn

Uvtckp."g

Uvtguu."u"]O

Rc_

"

c+"

1002 Nanomaterials by Severe Plastic Deformation

Page 3: Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

"Eqpukfgtkpi" vjg" vgorgtcvwtg"fgrgpfgpeg"qh" ucvu "

qxgt"c"ykfg"tcpig"qh"vguvkpi"vgorgtcvwtgu"cu"ujqyp"kp"Hki0" 4." kv"ycu" rqkpvgf" qwv" gctnkgt" ]34_" vjcv." htqo" vjg"rqkpv"qh"xkgy"qh"vjg"fghqtocvkqp"rtqeguugu."vjgtg"ctg"vyq" ugrctcvg" cpf" fkuvkpev" vgorgtcvwtg" tgikqpu"qeewttkpi"cv"nqy"cpf"jkij"vgorgtcvwtgu."tgurgevkxgn{0"Kp" vjg" jkij" vgorgtcvwtg" tgikqp" vjg" cpcn{uku" qh"gzrgtkogpvcn" tguwnvu" ngcfu" vq" c" uvtguu" gzrqpgpv" qh"

506…p " cpf" cevkxcvkqp" gpgti{" qh" /3oqng"mL352…S "yjgtg"vjgug"xcnwgu"ctg"ukoknct"vq"vjqug"cpvkekrcvgf"hqt"jkij"vgorgtcvwtg"etggr"kp"rwtg"Cn0"

" Vjg" hqnnqykpi" ugevkqpu" qh" vjku" rcrgt" eqpvkpwg" vjgug" gctnkgt" uvwfkgu" ]32.34_" cpf" vjg" nqy"vgorgtcvwtg"tgikog"qh"vjg"uvgcf{/uvcvg"hnqy"yknn"dg"fguetkdgf"d{"kpxguvkicvkpi"vjg"GECR"ucorngu0"Tguwnvu" qdvckpgf" d{" eqortguukqp" cpf" kpfgpvcvkqp" vguvu." cpf" cnuq" d{" cvqoke" hqteg" oketqueqr{"*CHO+."ctg"tgrqtvgf0""4+"Gzrgtkogpvcn"ocvgtkcn"cpf"rtqegfwtgu"" Vjg"gzrgtkogpvu"ygtg"eqpfwevgf"wukpi"jkij"rwtkv{"*;;0;;'+"cnwokpwo"ucorngu"yjkej"ygtg"ocejkpgf"hqt"eqortguukqp"vguvkpi"kp"vjg"hqto"qh"e{nkpfgtu"jcxkpi"fkcogvgtu"cpf"jgkijvu"qh"8"cpf":"oo."tgurgevkxgn{0""Chvgt"cppgcnkpi"hqt"52"okpwvgu"cv"895"M."vjg"ucorngu"ygtg"rtqeguugf"d{":"rcuugu"kp"tqwvg"De"qh"GECR"uq"vjcv"vjg"ucorngu"ygtg"ugxgtgn{"fghqtogf"d{"cp"korqugf"uvtckp." g ."qh"\:0""Vjku"rtqfwegf"c"uvcdng"oketquvtwevwtg"ykvj"cp"cxgtcig"hkpg"itckp"uk¦g"qh" o33 o0\ 0"Oqtg"fgvcknu"qp"vjg" rtkpekrngu" qh" rtqeguukpi" d{" GECR" ygtg" ikxgp" kp" gctnkgt" tgrqtvu" ]35/37_0" Eqortguukqp"ogcuwtgogpvu"ygtg"ecttkgf"qwv"wukpi"cp"OVU" vguvkpi"ocejkpg"qrgtcvkpi"cv"c"eqpuvcpv"etquu/jgcf"xgnqekv{"ykvj" kpkvkcn" uvtckp" tcvgu" n{kpi" kp" vjg" tcpig" htqo"302"·" 32/7" vq" 302"·" 32/4" u/3" cpf"ykvj" vjg"vgorgtcvwtg" eqpvtqnngf" vq" ugngevgf" xcnwgu" dgvyggp" 4;5" M" *tqqo" vgorgtcvwtg+" cpf" 695" M0"Eqorngogpvct{" kpfgpvcvkqp" vguvu" ykvj" c" Xkemgtu" kpfgpvgt" cpf" cvqoke" hqteg" oketqueqr{" *CHO+"ogcuwtgogpvu" ygtg" cnuq" ocfg" vq" kfgpvkh{" vjg"ogejcpkuo" qh" rncuvke" fghqtocvkqp0" Hwnn" fgvcknu" qh"vjgug"cffkvkqpcn"kpxguvkicvkqpu"ctg"tgrqtvgf"gnugyjgtg"]38_0"""5+"Gzrgtkogpvcn"tguwnvu"cpf"fkuewuukqp""" 503"Ejctcevgtkuvkeu"qh"vjg""nqy"vgorgtcvwtg"fghqtocvkqp"rtqeguu"cv"jkij"uvtckpu"" Hkiwtg" 5" ujqyu" v{rkecn" rnqvu" qh" vjg" vtwg" uvtguu/vtwg" uvtckp" * gu / +" ewtxgu" hqt" ucorngu"fghqtogf"cv"*c+"fkhhgtgpv" vgorgtcvwtgu"wr"vq"695"M"cv"c"eqpuvcpv" kpkvkcn"uvtckp"tcvg"qh" 35

2 32 //? ug% "cpf"*d+"fkhhgtgpv"kpkvkcn"uvtckp"tcvgu"cv"c"eqpuvcpv"vgorgtcvwtg"qh"4;5"M"*tqqo"vgorgtcvwtg+0""""""""""""""Hkiwtg"5<"Uvtguu/uvtckp"ewtxgu"qh"GECR"ucorngu"fghqtogf"cv"*c+"fkhhgtgpv"vgorgtcvwtgu"cv"c"eqpuvcpv"

kpkvkcn"uvtckp"tcvg"qh" 352 32 //? ug% "cpf"*d+"fkhhgtgpv"kpkvkcn"uvtckp"tcvgu"cv"4;5"M"

3 4 5 63

4

5

6

7

nqy"vgorgtcvwtg"tgikqp

"jkij"vgorgtcvwtg""tgikqp

207Vo

V"@"207Vo V">"207Vo

"Rwtg"Cn

npu u

cv"

"31V"*z325+"]31M_

//////////////////////////////

"Hkiwtg"4<"Nqy"cpf"jkij"vgorgtcvwtg"

tgikqpu"qh"rncuvke"fghqtocvkqp"kp"rwtg"Cn0"

2022 2023 2024 2025 2026 2027 202867

82

97

;2

327

342

357

695"M

655"M

5;5"M

575"M

4;5"M

GECR"ucorngu"fghqtogfcv"kpkvkcn"uvtckp"tcvg"qh"32/5u/3"

Uvtckp."g

Uvtguu."u"]O

Rc_

c+"20222 20227 20232 20237 20242 2024782

92

:2

;2

322

332

342

352

362

*vjg"korqugf"uvtckp."gq?":+

32/7u/332/6u/3

Uvtguu."u"]O

Rc_

Uvtckp."g

kpkvkcn"uvtckp"tcvg<"32/4u/3

32/5u/3

GECR"ucorngu"fghqtogf"cv"4;5"M"*TV+

d+

Materials Science Forum Vols. 503-504 1003

Page 4: Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

Kv"ecp"dg"uggp"vjcv"kp"cnn"ecugu"vjg"uvtguu/uvtckp"ewtxg"cvvckpu"c"oczkowo"uvtguu"kp"vjg"xgt{"gctn{" uvcigu" qh" hnqy" cpf" vjgtgchvgt" vjg" uvtguu" tgockpu" rtcevkecnn{" eqpuvcpv" fwtkpi" vjg" uwdugswgpv"fghqtocvkqp"rtqeguu"yjkej"vjgp"ecp"dg"tgictfgf"cu"uvgcf{/uvcvg"hnqy0"Vcmkpi"kpvq"ceeqwpv"vjg"nctig"korqugf" uvtckp" qh" qg \:" kp" vjg" cu/rtguugf" ocvgtkcn" fwtkpi" GECR." vjg" hnqy" uvtguugu" qdvckpgf" cv"fkhhgtgpv"vgorgtcvwtgu"*ugg"Hki0"5c+"ctg"rtcevkecnn{"cv"vjg"ucvwtcvkqp"qh" +* 3u-u?u qucv "kp"gswcvkqp"*3+"cv"jkij"uvtckpu0""

Wukpi"vjg"hqnnqykpi"eqpxgpvkqpcn"tgncvkqpujkru"ejctcevgtk¦kpi"uvgcf{/uvcvg"hnqy<"o

ucv M gu %©? ."" " " " " " " " " " " *4+""cpf"

+1gzr*, mVoSMucv /©?u ." " " " " " " " " " *5+""yjgtg" M" cpf" M," ctg" ocvgtkcn/fgrgpfgpv" eqpuvcpvu." g% " ku" vjg" uvtckp" tcvg." o" ku" vjg" uvtckp" tcvg"ugpukvkxkv{."S"ku"vjg"cevkxcvkqp"gpgti{"qh"vjg"fghqtocvkqp"rtqeguu."m"ku"Dqnv¦ocppÓu"eqpuvcpv"cpf"V"ku"vjg" cduqnwvg" vgorgtcvwtg." kv" hqnnqyu" vjcv" vjg" xcnwgu" qh"o" cpf"S" ecp" dg" fgvgtokpgf" htqo"rnqvu" qh"

gu %npnp /ucv "cpf" Vucv 13np /u ."tgurgevkxgn{0"" Kp"vjg"nqy"vgorgtcvwtg"tgikqp"* oVV 702> +."ceeqtfkpi"vq"vjg"gzrgtkogpvcn"tguwnvu"ujqyp"kp"Hki0"5d"cpf"tgrnqvvgf" kp"Hki0"6"hqt"tqqo"vgorgtcvwtg." vjg"xcnwg"qh" vjg"uvtckp"tcvg"ugpukvkxkv{."o." ku"\20254"*gswkxcngpv"vq"c"uvtguu"gzrqpgpv."p?31o."qh"\53+0"Kp"cffkvkqp."d{"wukpi"vjg"xcnwg"qh"o"cpf"rnqvvkpi"vjg" Vucv 13np /u "tgncvkqpujkr"cu"ujqyp"kp"Hki0"7."vjg"xcnwg"qh"vjg"cevkxcvkqp"gpgti{."S."ku"guvkocvgf"cu"\:4"mL"oqng/3"yjkej"ku"cnoquv"gswcn"vq"vjg"xcnwg"qh"S"…":6"mL"oqng/3"cpvkekrcvgf"hqt"dqwpfct{"fkhhwukqp"kp"rwtg"Cn"]3_0""

"

"

"

"

"

"

"

"

"

"" Vjgug"tguwnvu"fgoqpuvtcvg"vjcv."yjkng"cv"jkij"vgorgtcvwtgu"uvgcf{/uvcvg"etggr"ku"eqpvtqnngf"d{"ugnh/fkhhwukqp=" kp"vjg"nqy"vgorgtcvwtg"tgikqp"kv" ku"crrctgpv" vjcv"dqwpfct{"fkhhwukqp"ku"c"ukipkhkecpv"ogejcpkuo" eqpvtqnnkpi" vjg" uvgcf{/uvcvg" hnqy0" Vjgug" tguwnvu" eqphkto" vjcv" cv" nqy" vgorgtcvwtgu"*V>207Vo+."kp"vjg"tgikqp"qh"jkij"uvtckpu"cpf"yjgp"vjg"itckp"uk¦g"ku"uwhhkekgpvn{"uocnn"*hqt"gzcorng."cdqwv" o33 o0 " kp" rwtg" Cn+." vjg" fghqtocvkqp" rtqeguu" vcmgu" rnceg" ukipkhkecpvn{" d{" itckp" dqwpfct{"unkfkpi0"Vjku"rtqxkfgu"cp"gzrncpcvkqp"hqt"vjg"tgcuqpcdn{"eqpuvcpv"oketquvtwevwtg"gxgp"cv"jkij"uvtckpu"cu."hqt"gzcorng."kp"uwdugswgpv"rcuugu"kp"GECR"chvgt"vjg"hktuv"6"rcuugu"wukpi"tqwvg"De"]33_0""" Ukoknct" vq" vjg"fguetkrvkqp" kp" vjg"jkij" vgorgtcvwtg" tgikqp" ]34_."ykvjkp" vjg" nqy" vgorgtcvwtg"tgikog" vjg" fcvwo" rqkpvu" hqt" dqvj" vjg" gu %npnp /ucv " cpf" vjg" Vucv 13np /u " tgncvkqpujkru" ujqyp" kp"Hkiu0" 6" cpf" 7" ctg" cnuq" hkvvgf"ygnn" d{" nkpgct" hwpevkqpu0" Vjku" hcev" eqphktou" vjg" igpgtcn" xcnkfkv{" qh"

/34 /33 /32 /; /: /9 /8 /7 /66077

6082

6087

6092

6097

60:2

60:7

npu u

cv

npgq0

GECR"ucorngu"fghqtogf"cv"4;5"M"*TV+

o"?"20254*uvtguu"gzrqpgpv."31o"?"5305+

"Hkiwtg"6<"Guvkocvkqp"qh"vjg"uvtckp"tcvg"

ugpukvkxkv{."o."hqt"fghqtocvkqp"qh"rwtg"Cn"cv"jkij"vgorgtcvwtgu0"

402 406 40: 504 508605

606

607

608

609

60:

npu u

cv

31V"*z325+"]31M_

Nqy"vgorgtcvwtg"tgikqp

S"?":4"mL1oqng

"Hkiwtg"7<"Guvkocvkqp qh"vjg"cevkxcvkqp"gpgti{."

S."hqt"fghqtocvkqp"qh"rwtg"Cn"cv"jkij"vgorgtcvwtgu0"

1004 Nanomaterials by Severe Plastic Deformation

Page 5: Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

gswcvkqpu" *4+" cpf" *5+" kpfkecvkpi" vjcv" uvgcf{/uvcvg" hnqy" kp" vjg" nqy" vgorgtcvwtg" tgikqp." cu" kp" jkij"vgorgtcvwtg"etggr."oc{"cnuq"dg"fguetkdgf"d{"vjg"rqygt/ncy"gswcvkqp"*4+0"Vjg"ukipkhkecpv"fkhhgtgpeg"dgvyggp"jkij"cpf"nqy"vgorgtcvwtg"etggr"ocpkhguvu"kvugnh."qp"vjg"qpg"jcpf."cu"vjg"fkhhgtgpeg"dgvyggp"vjg"cevkxcvkqp"gpgtikgu"*ugnh"cpf"dqwpfct{"fkhhwukqp."tgurgevkxgn{+"qh"vjg"fghqtocvkqp"rtqeguugu"cpf."qp" vjg" qvjgt" jcpf." vjtqwij" c" nctig" fkhhgtgpeg" dgvyggp" vjg" uvtguu" gzrqpgpvu." p." gswkxcngpv" vq" vjg"uvtckp" tcvg" ugpukvkxkvkgu." o" * op 13? +." qdvckpgf" hqt" vjg" vyq" vgorgtcvwtg" tgikqpu0" Hwtvjgt"kpxguvkicvkqpu" ctg" pggfgf" vq" enctkh{" vjg" jkij" xcnwg" *\52+" qh" vjg" uvtguu" gzrqpgpv" qdvckpgf" cv" nqy"vgorgtcvwtgu0""" Eqpegtpkpi"vjg"fghqtocvkqp"ogejcpkuou."kv"ujqwnf"dg"gorjcuk¦gf"vjcv"cv"nqy"vgorgtcvwtgu"itckp"dqwpfct{"unkfkpi"oc{"vcmg"rnceg"cv"xgt{"jkij"uvtckpu"yjgp"vjg"htcevkqp"qh"itckp"dqwpfctkgu"ku"tgncvkxgn{"jkij"cu"kp"vjg"hkpg"itckp"uk¦gu"kp"ocvgtkcnu"rtqeguugf"d{"GECR0"Cv"uocnn"uvtckpu."jqygxgt."fkunqecvkqp"inkfg"ykvjkp" vjg" itckpu" ku" c"ygnn/guvcdnkujgf" hnqy"ogejcpkuo"cpf" vjku" ngcfu" vq" uvtqpi"yqtm"jctfgpkpi"cu"ujqyp"kp"Hki0"3c"qt"vq"vjg"gctn{"uvcigu"qh"vjg"uvtguu/uvtckp"ewtxgu"kp"Hki0"3d0"Cv"jkij" vgorgtcvwtgu." vjg" igpgtcn" oqvkqp" qh" fkunqecvkqpu" d{" enkod" cpf" inkfg" ngcfu" vq" c" uqhvgpkpi"rtqeguu"ngcfkpi"vq"vjg"tgncvkxgn{"gctn{"guvcdnkujkpi"qh"uvgcf{/uvcvg"hnqy"kp"rncuvke"fghqtocvkqp0""

5+"Gzrgtkogpvcn"gxkfgpeg"hqt"itckp"dqwpfct{"unkfkpi""Vjg" tguwnvu" qh" vjg"ogejcpkecn" kpxguvkicvkqpu" fguetkdgf" kp" vjg" rtgegfkpi" ugevkqp" uwiiguv" c"

ukipkhkecpv" tqng" hqt" itckp" dqwpfct{" unkfkpi" kp" wnvtc/hkpg" itckpgf" Cn0" Vjg" qeewttgpeg" qh" itckp"dqwpfct{"unkfkpi"cv"nqy"vgorgtcvwtgu"jcu"dggp"rtgfkevgf"kp"vjg"oqfgnkpi"qh"pcpqet{uvcnnkpg"uqnkfu"wukpi" vjtgg/fkogpukqpcn" oqngewnct" f{pcokeu" eqorwvgt" ukowncvkqpu" ]39.3:_" cpf" ugxgtcn"gzrgtkogpvcn" kpxguvkicvkqpu" ]3;/43_"cnuq"uwiiguv" vjku"ogejcpkuo"cu"c"xkcdng"fghqtocvkqp"rtqeguu0"Cnvjqwij"vjgtg"jcxg"dggp"uqog"cvvgorvu"vq"ujqy"nqecnk¦cvkqp"qh"rncuvke"hnqy"kp"vjg"itckp"dqwpfct{"tgikqpu" ]3;/43_." vjgtg"jcu"dggp"pq"eqpxkpekpi"fktgev"gzrgtkogpvcn"gxkfgpeg" hqt" vjg"qeewttgpeg"qh"itckp"dqwpfct{"unkfkpi"kp"wnvtc/hkpg"itckpgf"ocvgtkcnu0""

""""""""""""""""""""

""

Vjg"ogejcpkuo"qh"itckp"dqwpfct{"unkfkpi"ecp"dg"ocfg"xkukdng"kp"vjtgg/fkogpukqp"d{"wukpi"Cvqoke" Hqteg"Oketqueqr{" *CHO+0" Hkiwtg" 8" ujqyu" vjg" kpfgpvcvkqp" rcvvgtpu" qh" cp" GECR" ucorng"fghqtogf" ykvj" c" oczkowo" nqcf" qh" 42" oP0" Kv" ecp" dg" uggp" vjcv" vjgtg" ku" c" twornkpi" ctqwpf" vjg"kpfgpvcvkqp"yjkej"eqttgurqpfu"vq"vjg"fkurncegogpvu"qh"itckpu"ykvjkp"vjg"wnvtchkpg/itckpgf"ocvtkz0"Kv"

"Hkiwtg"8<"Cp"CHO"oketqitcrj"qh"vjg"uwthceg"qh"cp"GECR"Cn""ucorng"fghqtogf"d{"kpfgpvcvkqp"wukpi"c"Xkemgtu"kpfgpvgt0"

Materials Science Forum Vols. 503-504 1005

Page 6: Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

ku" eqpenwfgf" vjcv" vjg" itckpu" jcxkpi" c" uk¦g" qh" o33 o0\ " oqxg" ykvj" tgurgev" vq" gcej" qvjgt0" Kv" ku"uwiiguvgf" vjcv" vjku" tgrtgugpvcvkqp" rtqxkfgu" iqqf" gxkfgpeg" hqt" vjg" qeewttgpeg" qh" itckp" dqwpfct{"unkfkpi" cu" c" ukipkhkecpv"ogejcpkuo" hqt" fghqtocvkqp" qh"Cn" cv" jkij" uvtckpu0" Hwtvjgt" fgvcknu" qh" vjgug"kpxguvkicvkqpu"yknn"dg"rwdnkujgf"gnugyjgtg"]38_0""6+"Uwooct{"cpf"eqpenwukqpu"

Vjg"nqy"vgorgtcvwtg"rncuvke"fghqtocvkqp"qh"GECR"rwtg"Cn"ycu"kpxguvkicvgf"d{"eqortguukqp"vguvu"cpf"wukpi"cvqoke"hqteg"oketqueqr{"*CHO+0"Vjg"tguwnvu"ujqy"vjcv"uvgcf{/uvcvg"hnqy"ku"cvvckpgf"cv"xgt{"jkij"uvtckpu"yjgp"vjg"htcevkqp"qh"itckp"dqwpfctkgu"ku"tgncvkxgn{"jkij"dgecwug"qh"vjg"rtgugpeg"qh"c"xgt{"hkpg"itckp"uk¦g0"Hwtvjgtoqtg."kp"vjku"uvcvg"vjg"fghqtocvkqp"rtqeguu"ecp"dg"ejctcevgtk¦gf"d{"cp" cevkxcvkqp" gpgti{" qh" 3oqngmL:4 /…S "yjgtg" vjku" xcnwg" qh"S" ku" ukoknct" vq" vjcv" cpvkekrcvgf" hqt"dqwpfct{" fkhhwukqp" kp" rwtg" Cn0" Vqigvjgt" ykvj" CHO" qdugtxcvkqpu." vjgug" tguwnvu" ngcf" vq" vjg"eqpenwukqp" vjcv" itckp" dqwpfct{" unkfkpi" ku" c" ukipkhkecpv"ogejcpkuo" qh" rncuvke" fghqtocvkqp" cv" jkij"uvtckpu"kp"vjg"nqy"vgorgtcvwtg"tgikqp"yjgp"vjg"itckp"uk¦g"ku"xgt{"uocnn0""Cempqyngfigogpvu<"Vjg" tgugctej"ycu" uwrrqtvgf" d{" vjg"Jwpictkcp"Pcvkqpcn"Uekgpvkhke"Tgugctej"Hwpf" wpfgt"Eqpvtcev"Pwodgtu"QVMC/25:26:." 265469" cpf" 268;;2" *PSE+." d{" vjg" Nkijv"Ogvcnu"Gfwecvkqpcn"Hqwpfcvkqp"qh"Lcrcp"*¥J+"cpf"d{"vjg"Pcvkqpcn"Uekgpeg"Hqwpfcvkqp"qh"vjg"Wpkvgf"Uvcvgu"wpfgt"Itcpv"Pq0"FOT/246555n"*VIN+0""Tghgtgpegu"]3_" J0" L0" Htquv." O0" H0" Cujd{." Fghqtocvkqp/Ogejcpkuo" Ocru<" Vjg" Rncuvkekv{" cpf" Etggr" qh"

Ogvcnu"cpf"Egtcokeu"*Rgticoqp"Rtguu."Qzhqtf."W0M0."3;:4+0"]4_" H0"C0"Oqjcogf."V0"I0"Ncpifqp."Cevc"Ogvcnn0"44"*3;96+"r0"99;0"]5_" J0"Qkmcyc."V0"I0"Ncpifqp."Etggr"Dgjcxkqt"qh"Et{uvcnnkpg"Uqnkfu."gfu0"D0"Yknujktg."T0"Y0"

Gxcpu"*Rkpgtkfig"Rtguu."Uycpugc."W0M0.3;:7+."r0"550"]6_" O0"G0"Mcuupgt."Cevc"Ocvgt0"74"*4226+"r0"30"]7_" L0"J0"Jqnnqoqp."Vtcpu0"CKOG"384"*3;67+"r0"48:0"]8_" H0"L0"¥gtknnk."T0"Y0"Ctouvtqpi."L0"Crrn0"Rj{u0"83"*3;:9+"r0"3:380"]9_" G0"Xqeg."L0"Kpuv0"Ogvcnu"96"*3;6:+"r0"7590"]:_" O0"¥gjgvdcwgt"cpf"X0"Ugwogt."Cevc"Ocvgt0"63"*3;;5+"r07990"];_" O0"¥gjgvdcwgt."Cevc"Ocvgt0"63"*3;;5+"r07:;0"]32_" P0"S0"Ejkpj."I0"Jqtxƒvj."¥0"Jqtkvc."V0"I0"Ncpifqp."Cevc"Ocvgt0"74"*4226+"r0"57770"]33_" J0" Jcugicyc." U0" Mqowtc." C0" Wvuwpqok{c." ¥0" Jqtkvc." O0" Hwtwmcyc." O0" Pgoqvq." V0" I0"

Ncpifqp."Ocvgt0"Uek0"Gpi0"C487"*3;;;+"r0"3::0"]34_" P0"S0"Ejkpj."L0"Knn{."¥0"Jqtkvc."V0"I0"Ncpifqp."uwdokvvgf"vq"Ocvgt0"Uek0"Gpi0"*4227+0"]35_" [0"Kycjcujk."¥0"Jqtkvc."O0"Pgoqvq."V0I0"Ncpifqp."Cevc"Ocvgt0"67"*3;;9+"r0"69550"]36_" [0"Kycjcujk."¥0"Jqtkvc."O0"Pgoqvq."V0I0"Ncpifqp."Cevc"Ocvgt0"68"*3;;:+"r0"55390"]37_" O0"Hwtwmcyc."¥0"Jqtkvc."O0"Pgoqvq."V0I0"Ncpifqp."L0"Ocvgt0"Uek0"58"*4223+"r0"4:570"]38_" P0"S0"Ejkpj."R0"U¦qoogt."¥0"Jqtkvc."V0"I0"Ncpifqp."vq"dg"rwdnkujgf"*4227+0"]39_" J0"Xcp"Uy{igpjqxgp"cpf"C0"Ectq."Crrn0"Rj{u0"Ngvv0."93"*3;;9+"r0"38740"]3:_" L0"Uejk¼v¦."H0"F0"Fk"Vqnnc"cpf"M0"Y0"Lceqdugp."Pcvwtg."5;3"*3;;:+"r0"7830"]3;_" C0" Xkpqitcfqx." U0" Jcujkoqvq." X0" Rcvncp" cpf" M0" Mkvcicyc." Ocvgt0" Uek0" Gpi0" C53;/543"

*4223+"r0":840"]42_" [0"Jwcpi"cpf"V0"I0"Ncpifqp."Ocvgt0"Uek0"Gpi0"C57:"*4225+"r0"3360"]43_" E0"[0"[w."R0"N0"Uwp."R0"Y0"Mcq"cpf"E0"R0"Ejcpi."Uetkrvc"Ocvgt0"74"*4227+"r0"57;0"

1006 Nanomaterials by Severe Plastic Deformation

Page 7: Grain Boundary Sliding as a Significant Mechanism of Low Temperature Plastic Deformation in ECAP Aluminum

Nanomaterials by Severe Plastic Deformation 10.4028/www.scientific.net/MSF.503-504

Grain Boundary Sliding as a Significant Mechanism of Low Temperature PlasticDeformation in ECAP Aluminum

10.4028/www.scientific.net/MSF.503-504.1001