INVESTIGATION OF THE INTERACTION OF NITROGEN AND TITANIUM CARBIDE

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00039R000200020077-4
• Release Decision: RIPPUB
• Original Classification: R
• Document Page Count: 26
• Document Creation Date: December 22, 2016
• Document Release Date: May 15, 2012
• Sequence Number: 77
• Publication Date: May 21, 1952
• Content Type: REPORT

Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
THE r CTZ~N OF NIr~RQG.E'N AND TIT~1Nx1
ZNUES`~:'~~T:C~)N OF TT~~~~ I~1T]~~~ ~
Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
STAL
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
INVESTTG&T'ION OF 'IF INTERACTION OF NITROGEN
AND rj'ITANIUPrL c/RBIDL
By A, N Zel~rman and
N. N. Gorovits
introduction
~~~.rI'.N} are . possibly
Titanium carbide (TIC) and titan::um ni ~rade (
tl'lc only in the respective titanium - carbon
only stable phase~.S and
titani1rn - na trr.1gen systems. Lscti s. ~ item contai.na d varya.ng but
.
SIzable ciii ant
of the tonophase.~ccording to lhrnanski;tT
in tbe t in carbon system the range of tie folophauc lattice
. ,.; ..t~~n.~L --
T-iC
f to O atorrric %, and the lattice constant increases
~
'rom 25'-30
0
to L.32 as carbon content increases.
from 4.2S
The most com1alcte inve sti~at~.,on of ?1e structUre of:' titanium
aen conducted by Breger L2.7 who deeririined, thta.t the
t~ Ltr:,..c:~e has ,~ b e
of ha..s compound la., 23 . He showed that nit-
latt.~~c constant,
rogen c;e.n' be dissolvedin -ti.'taru,i,urn ni.t1ridc9 tlli.s phenomenon being
, a:~;.,e in t1:crJ l .tti ce Cons tc~.nt. ,F!~ tecnlirc~.tl~.re
accornpnn:.e;c~ by a dec~-c,~
the ~,'r,r~a:cture of .I,~,e r>.i~~r;:de close to
increase was f
the ;Eormlri7 7.'iN . Navaver , there pare no data avs.3.:I.able on the oa..-
bility of nitrogen in titanim nitric3.e.
u
'I'h'e c,a.rbide and nitride of tita,nitiun form a succ.w?sion of solid
solutions, and data have recently ~ been published on the th^rmal
there solutions at lour [3, 4,J and
capacities and heat contents. of
high [5jtemp.ettu.
Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
STAT
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
e
~~ an
.
the
. r prepare, indu,striallY by
`.tanium carbide a.4~
.~t~,1ac
? re of T?0and crlrbof black a.n a crbon
~;re ~ ~1ach carbides cant~
M ~ h
.r. resistance furnace a.n ~ bydr'oen tmop ~ ~ tfau~~,
17 5 t4 19 (and rarely high as 20% of bound c~nrb?fl which c?rres,nand;s
carbide
u
m
~
. .~~tan to tl~e formula 7. a.G ,
rf.te miS~ in. ' at o f carbon in the c,ry b c~n and na.ta~a~en
~~,a, lattice :tice are replaced y ~.~~ams Of Qx~"y
,.
h the solid sQ~ u"i~ian
product 1$ actual].y ,
Therefore, t'e carbonization
Ti (C, 0, N).
111 ~ tla~e re~a.1. nature of tita.n.!.um carbide
Such a hypa~:he;a.s camera
1 Of yy [7J s.nd 11m4an a}~1.;y"
'cle , ~ r ~,.~ r dp ..v .oa' ied in LI .U Yark5 a1. f eyQ1'SQ~J
e 1
carbide
,raorted by +The monotypic crystal lattice
ce), is entirely ly Sa.1~ ~,
of t~.~tan~.~.tm c~~rbicle (~;CiC) , ~,~."Gar~ilun
s,tr~a.ct
,l~re(t'~~~.?t is, ~}~e 1`1~C~. type) ~ A urn QvJde ('~iU), \r?~oe constants are 1.4.~- ,
n7.tride `(rCii~) , aid t.~~~ r~na.
p
-\ and 4.15 b` , respectively.
~~,23 , , . ~
in ~~,t~+;ni~am r-,~~rbide is due to r,.e small
T1~~e T?resenc;e of n-~~~rn~;en a.
~' of a r cra\, i lntO the furnace` from
.Dnderneatl.1; t1 i S 1 eac h
cJ lJ.cln 1 y
. ~? n Of 1:}~e carbide. in r7. a.er report
to nitration nd cl.~;c~-~, claan~.,~..~,a.a
d~;carlaani.z~~.tian off' titani~~rL
,. ~.. (91 a
b ?e1a.n nd cC71.ba~l~ar4~ r ~ rc~~?Q~eTI
n-tube fia.rn~ace in atmosPh eres by lr dro en,
c~?rlaa.d,e in a, cal ba
~ .~,.nd :pure na.trat~sn 1;,~.20(~-~.~OC~? S)?o~a~;d.
t.,i 1~: an a.rlmixt~~;~~e of n.tra.,o~, a ores of 1 QQ? and 1 igher, nitrog,cn rather than ax-
that, at tgni.,,E;..ra~
act~.oY? aCC':I:z'T,'i11~., Z.!}'?~'1"l '~e air is dl'-i.t'1T.1 in.
~.c).ata.on is te predominant re~.,,
and at,1~.00?, oxidation and nita.ta.an accur
At 1.2.00? t~~e rever~~e is ",rue,
en
~-, ~eia. is cl.is}a1.aced by nitrogen \~l1
simv.:l:ta.neousl~r, but part of te oxy'~ i
+~
? "~a.~~ed. 1)urin~ experiments, ~,l~e cinanty
~-;e se~sona.n~' t~aa~e is a.nc~ ~?
t
.er at J.~00? than. at 11.~0~J?,
nitrogen in t}Pe ' carbide was found to be high
of
a fact attributed higher rate of nitration at t~-?e higher tem-~
attributed to "E~11e
c ran to the ratio
_nurcavAr4~ not oa^res~,~d
pe:r~.~~t1re. This difference, however, doe
2-
Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
in c~qux,a.i.i~xa.1~1 at ~~],e two temi,e:`i~tux~e
ni.~t'~^~,,~~~~e .,n
of tl1e ~~mouflt~~ of
the beat of :~armat~.on of the nitride t,ride is higher than that
7.evels, ,.,a.nc
for tie formation of the CEIrbide:
C T, N ) 11chloride
of eqi.~, l ibritaan .n tl~.e reaction of titani c
:Crave ~'ta.gata.an ~.
w the ~~rad~.7.c~~i.an of nitrogen~fx~with nitrogen is of ix~Yoxtance both in ~
Y,
.~on
tia.blis}~ing canc~i~;a.one for the production
.
ti.t ~niti7m carbide and J1~.re-~ :> i~a. ;pressures sho~aecl that,
a ,al . z`~ raI~7lta.on .t ~..i.a.ffif:t,
be1aw 0,01. atmaspzn.ere), the amount of
for low nitro gen pre c ,~a.re s
. ; bi~.e ~~.~ 1.300?mI000? s}~auld not e;rcecri ;~evera.l
rii.trocn a.n t7.t~'n:r,urn cax
tenths of a pe.rc t However, the actual amounts of nitr. ogsn in
e n
the carba.de wexe f aund to differ Pram. the ~anounts cora~.Nted, bein
1~ a.tm.as~.}'sere, ~lnd laver at pressures a.bave
~7iFrl~er r7,t l~xes,u~,es ~~elow 0.~- ~'
0.01 atmo $p~aer. e .
d tha.t the degroe of nitxatian of
5 r 7.'h.e author. s ,? ~ ~> period
the decree e, because in the lakes of ?llol:t,na 1~~ar~lr~~~,e, l'~;:1,.7.
~'rorti the graph, ,"5 no
c'193 _t ~~'.li~,n the level o?>+r' the ~.a
~~,e su' weed the no:rrriG~l :l.evc;l.
greatlY , the amol~ri.t o:E dcc~-,c~~ ~
~~-Ga;, ~b,C1^Uefi ;l,Xl
', ,
1U(-)6 :~~?~ t~~iG5G periods l1ie avc.xae - in
J I M q 11 r/ ~
r .; o1)Servecl a.n the ~ lakes. Ad to ci.? another a
1.i .50
2i
'u
01
pots
caranCe ost~~
Cau e ~ the alp ~'
0 US
,.w
u . tai.
p . p II . 00 . r ' + t re.
\_____?_?_?_?____??_____'____
~r ~i ~,~n ;.,
year
i
lCed levels, r , 1 7 -
Actual nv.e .~ 4~ , wa ,.'t,Lc. <
c balaS, L ' e 1, r
n~: iv '1S ~,
Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
mj.ntT1uTfl 0?.' S111n
 Declassified in Part - Sanitized Copy Approved for Release 2012/05/15 : CIA-RDP82-00039R000200020077-4
Sri the lakes ha'vi.ng a lar&o ratio corLfuenarea tO
a?tc:r-col.l c.cta.fl over iO)' the ecular and periodic f1uc-~
r
area
t1.,lations o:C' tlie water level are riot caused chic,f1y by bydrolOg -
Cal i:n.f 1everhel..eSs these luctuati.on~3 exist and the
~.L~enG;c~s ~ ~
expl.aflati.,an oi: i,lirva.r c&USCS will throw much light o~i thc~ course of
processes and perhaps even on. c~.i.matclogical processeS?
hydrological
C1a oh-
.t ., .i?
ll.w) In i_y1.i.6 ti-se evc;l
o
'rVC(1 t .L}IC `J'a?~ir~a )rcikeo Cati COrI'0C.)O a .C, 'L a?
1.lrl, tlJ.
o? ?b}:i.c w"ate] 3 i.i:t t}i.c;alahes :[oil to a clerc;e wit:i:oh had,
rien , rfeve ~.~ca:'vcd (~~kib.ria.ewyk:i.. n`,l.'1IC~ Low \r~a~LGr Lc,'vc;l
it la~Ori o}:~~~.
.L bb e T at ra L ~.t.l~ ~:.; (a u ~;u b dark[ odna (t' irine curio ii?