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Paper Information

Journal:   IRANIAN POLYMER JOURNAL (ENGLISH)   March-April 2003 , Volume 12 , Number 2; Page(s) 127 To 138.
 
Paper: 

FORMING ALUMINA PARTS USING ACRYLAMIDE GELS

 
 
Author(s):  BARATI A., KOUKABI MORTEZA*, NAVID FAMILI M.H.
 
* Polymer Engineering Group, Tarbiat Modaress University (TMU), Tehran, I.R. Iran
 
Abstract: 

Today, fabrication of complex-shaped ceramic parts in large quantities has been limited to the processes required extensive and expensive machining (i.e., injection moulding or pressure slip casting). These technologies for shaping ceramics, however, possess several shortcomings that limit their use as a complex-shape forming method. Because of these limitations “gel-casting” which was lacking in above deficiencies, has been proposed as a general and desired method for shaping any ceramic powder. In this work, gel-casting of ?-alumina is investigated based on in situ polymerization and gelation of acrylamide monomers as the setting mechanism for forming the green part. Special attention was paid to the preparation of fluid, castable slurries with a high loading of α-Al2O4 (>80 wt.%) and low viscosity (0.65 Pa.s) by using polyelectrolyte dispersants (i.e., poly(methacrylic acid salts), also gelation of acrylamide (effect of gelation factors on idle time), mould materials, drying of parts through the liquid desiccant drying method and its comparison with conventional drying technique, green machining, debinding and si

 
Keyword(s): GEL-CASTING, Α-ALUMINA, ACRYLAMIDE, DRYING, GREEN MACHINING, DE-BINDING, SINTERING
 
 
References: 
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Cite:
APA: Copy

BARATI, A., & KOUKABI, M., & NAVID FAMILI, M. (2003). FORMING ALUMINA PARTS USING ACRYLAMIDE GELS . IRANIAN POLYMER JOURNAL (ENGLISH), 12(2), 127-138. https://www.sid.ir/en/journal/ViewPaper.aspx?id=12705



Vancouver: Copy

BARATI A., KOUKABI MORTEZA, NAVID FAMILI M.H.. FORMING ALUMINA PARTS USING ACRYLAMIDE GELS . IRANIAN POLYMER JOURNAL (ENGLISH). 2003 [cited 2021April17];12(2):127-138. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=12705



IEEE: Copy

BARATI, A., KOUKABI, M., NAVID FAMILI, M., 2003. FORMING ALUMINA PARTS USING ACRYLAMIDE GELS . IRANIAN POLYMER JOURNAL (ENGLISH), [online] 12(2), pp.127-138. Available at: <https://www.sid.ir/en/journal/ViewPaper.aspx?id=12705>.



 
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