OUTLINE OF THE SIEMENS-SCHUCKERTWERKE PORCELAIN PLANT/COMMENTS ON PRODUCTION AND PERSONNEL/PLANT LAYOUT

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00809A000600040543-5
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 8
• Document Creation Date: December 22, 2016
• Document Release Date: July 19, 2011
• Sequence Number: 543
• Publication Date: September 29, 1953
• Content Type: REPORT

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CLASSIFICATION COI IDENTTJtL
CENTRAL INTELLIGENCE AGENCY
INFORMATION REPORT
COUNTRY Germa4 (Soviet Zone)
SUBJECT Outline of the Siemens-Schuckertwerke
Porcelain Plant/Convents o?-Production
and Persor,;iel/Plant Iayornr
NO. OF PAGES 3
DATE DISTR. a.9 Sep 53
REPORT
CD NO.
25X1
Production
2. The main items of production at Siemens were electroporcelain, high
voltage insulators up to approximately 2 meters in height and 60--70 cm
in diameter, dielectrics, spark plugs and alumina. the laboratory
was primarily concerned with developing ceramic hi re uency materials and
foam bricks. twelve patents for Siemens re in use at
Neuhaus-Schie cnnr They included:
a. Refractory foam bricks
b. Bariumtitanate, facilitated firing
c. Iiroveeent of the qualities of Barium titanate
d. Nearly temperature constant titanate
e. 3nall admixtures to titanates
f. Ceramical films
CLASSIFICATION C0NMDEWffAI--S 1 (ITY Ita'QitiATIat-=~T
~aT +.R_? Yvl_aaue._. e!= V!._1 _11.- TSB _!_ t. - _ I_ I ; ._l..I__.
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c, TM-ec4
.... i vt Ceramic
Research
Holders for silit heating elements
"Casting greasing" methcd
Iaprovement of water glass cements
?Liniature fur ace for ceramic research
Ceramic heating plate
IIro: cnt Of the ointercorundum casting slim
1. ]ianufacturI of High-QUOl3.ty Foam Refractories
2. NOV trnaces for Ceramical Research
3. lfannfacturing of High Quality Ceramics for
Capacitors and Ultrasonics
4. "*w Casgrouhd" Ceramics
5. Work on Aluniaiumoxide Ceramics (Siniercorundust)
6. Alumiaaj'
Perms ll and Qj j%E2t Z
a
3. the Siemens had pPro ximate],y 4500 employees during 1944-45, including executives,
laboratory personnel, spilled and unskilled labor, etc. The organization of
laboratories and plant was as follows:
Plant Personnel:
I4 (f=) i dsz. His &isistsat r. r.. a m
L+e ra ccseyia-Sbe3.'- Sa Voxitlaa ter
foar lo)a ii tbs it etro lab.,
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RR
STA'TI?N
RESEARCH
CO1 IDENTIAL
w a v4J. i'~ 1PTNYK~~IFIi' l ~.i
Production Laboratory Personnel
.i C'ni.ef of the laboratory
4. Layout of the Plant
PRODUCTION
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W1, FURNACES FOR CERAMICAL RESEARCH
l Miniature recearch furnU for high temperature and for
extremely fast &iring of small ceramical samples; temperature
rise up to 1500 0 in 10 minutes.
The advantage consist in a great saving of working
time, since the ceramical samples can be fired in not more
than about 45 minutes (heating and cooling) in contrast to the
usual firing in laboratory research furnaces where the ready
fired samples are in the rule available on the next day only.
2. Sinterinterval-furnnne. i.e. a furnace for ceramical research
which gives the advantage to determine the right firing temperature
for ceramical compositions in o n e firing.
25X1
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NtN'UFACTURING OF HIGH DUALITY CERAMICS FOR
CAPACITORS AIID ULTRASONICS
1. nr. 58. `,Dielectrical qualities: Dielectrical constant
about 100; extremely low dielectrical losses (~d) t
1-2. 10' at 1 M.o., in optimum under 1 : and 10.1$11
.c. ted.
2. nr. 53. Application for capacitors and ultrasonics.
Diolectrical qualities : high piezoconstant up to 10 and hi her;
dielectrical constant (E ) about 1000. Decrease of the tg value
till to 50,10- at 1 M.c. Improved and facilitated firing;
enlargment of the sinterinterval. Manufacturing by casting, pressing
or extrudinge urements can hn ^^+nd.
3. nr. 05. about 30, nearly temperature constant. Easyo
manufacturing, low firing temperature: cone 8/9, = 1250 - 1280 t1.
4. Sp.11-ceramic. Extremely high die]ectrical qualities: tg d'
as bout-1.10-, independent of frequency between 1 M.c. and 1 R.c.
6 about 9, near y t-constant. Firing temperature about 18001C.
5. Smproved grinding method for Tiffe-compositions nnA r +t+.? +o.~
when extremely high purity of the ceramics required.
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1. Sintercorundum (Dense A1203-ceramio). Improvement of the
casting slip and of the peptisation, giving an increase of the
longevity of the sintercorundum furnaces. Development of a method
for measurements of the chemical resistance of fired sintercorundum and
an increase of this resistance.
Application for spark plugs, crucibles, holders, insulators.
2. Sintermagnesit (Dense poriclase ceramic, MgO); with hicrh content
of Log over 90% , densely fired at cone7/18, about 15000C; very fine-
grain structure; melting point over 2000-C, thermal expansion: NO b- 12.8$
density up to 3.4; abou ; TCr, +- 30.06 ; tg6r 1-2.10"4'at M.c.
Application: dense crucibles, holders and other parts for very
high temperatures; possible base for cermets, what can be theoretically
presumed.
3. Sinterforsterit (Dense Mg2Si04-ceramics) with various contents of
Mg2SiO4, up to 907..- Densily fired between cones 7 and 19, 12300C - 15200C.
REMARKS: Sintermagnesit and sinterforsterit belong to the
class of dielectrics with extremely high electrical
insulation and very low losses.
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A L U M I NA
'YORK ON ALUMINIUMOXtDE CERAMICS
intercorundun
2. The longevity of the sillimenitbricks in the sinter-
co d furnace and ssi ty to, increase this longevity.
u. Examination of the corrusion of the apa:rk p1 g
i ncrrln itlnn nnn+c_ np rln from gin+nr?nnrrrnrlrrm..
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1. Summary. As shown above the (H)*- (H-ions-concentration
is even in a freshmass only 0.001 -n., and the relation
between the equivalents of A1203, Fe and Cl evidences that the
HCl is bound in the end state as FeC12 (secondly as FeCI3)
and with the aluminium as basic 3A1.C13.A10C1. In the slip
made from old material the hydrolysis is going up to A1C13A1 (OH)3
It is noticable that both initial systems, the A1203 HCl, as
well as the Al203 - A1C13 system give the same equilibrium with
the formation of the oxichlorid Al2C15OH. This investigation
gives a new knowledge about the reaction between A1203 and HC1,
and between Al20 and.AMC13; this is of practical importance for
the control of tRe proceeding of sintercorundum.
2. Summary- HCl was usually used for reaching a good castibility
of the alumina; the result of this treatment were chlorids which
gave during the firing sublimation products and effiorescents,
destroying the sillimanit innerwall of the sintercorundum furnace.
In accordance to this development other acids were used for the
peptisation, thus avoiding the formation of sublimation products.
3. Summary. Developing of a method for determining of the
chemical resistivity of ready fired sintercorundum. (Dense alumina),
by means of fused K25207; possible ways for increasing of this
resistivity are shown.
4. Summary. Developing of a method for elimination of the washing
process during the manufacturing of the sintercorundum casting slip.
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