ABSTRACT OF INTERCRYSTALLINE CORROSION OF ALLOYS BY G.V. AKIMOV, CORRESPONDING MEMBER OF ACADEMY OF SCIENCE, USSR

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00809A000500070001-0
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 2
• Document Creation Date: December 15, 2016
• Document Release Date: August 22, 2003
• Sequence Number: 1
• Publication Date: June 25, 1953
• Content Type: REPORT

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Approved For Re9'0 109/29: CIA-RDP80-00809A000500070001-0
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CENTRAL INTELLIGENCE AGENCY
INFORMATION REPORT
U8B t
Abetraot of InU-Tcrystalline Corrosion of Albs by
0. V. Aklmov,Cozrosponding Umbrar of Acadeay of
$$oienee, t
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tot tot. #f 1N6 Y.I. t?t#P. a# ,R,fa.tt#. III fRMWIttio. t# tl.t?
ttt,M tP af# I*Nfnt# to H #II#tPT H Y W/ut.#Rifte PINION It
to Pl..,t,fte.
vtiich was in long service in the -Arntic region. From the outside the cover looked
strength, and fr6gt,~nL1y becomes brittl . The author esw the cover of an airp,'.stnes
panetrateg into the d,-p:-,h of the metal, wh ch them graft'aaLly loses its plasticity; - and
NO. OF PAGES 2
NO. OF ENCLS.
SUPP. TO
REPORT NO.
Intercryst:.,Llrt,a Corrosion Lf Alloys
By
G. V. Akiatov
This kinI of cor~rosior occurs on the h(;.tndru'iea of cryste-llitee or grains, and -7"
The grain haundrir1#-~ ax,, `11n anOc1L- are4 fn. Ct 33 o oxygen,
!Ind ?) :~. t~ir111ef. Wlll(`r ECtrZC~b+ ? r. :;'.r bi:ur,d I :?'?a at:rtn,;. the i:O7lir of the alloy
or i.aring t*tet hset. trearxter.t. Tilt c.a~.n,>1 F is ir?~ tne' ::eater of the grains. Further
FU, Cu, Zn), which ws 2 to ?, whOtt arLi .e 9, f olci, sad w found in ancient tombs.
The author explain +. ++r rya?aili?'r c_-in-,ion. uai:C thr: :o:Aceyt of 1?owa). e.emante.
4olutions. :n*:excryats].l?r:a corrosion waf. &i n oGr' s'ed on, silver (Ag with r4mixtures,
treatment given tthm. Some steels axhlbi.o.1 the alma ki.d of corrosion in nitrate
the susceptibility of the siloye to inter cry:sts:Ilire corrosion dApended on the heist
(A1Cu43; +,*1) , :~ ali.iun (AlMg 3-107) , some: alt I rom-popper alloys (AlCu .. /S1Mn),
and stainless a-,eels (FeCrr3r11]CT, tFeCr27C). s.:,at (! eCrl8Ni8C) . As is veil known,
The a1ioys e^ follows were frequently a-tacked 'hy tntercrystslline corrosion:. dtzra].i txk
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