Thermal expansion of homogeneous and gradient solid solutions in the system KZr[sub 2](PO[sub 4])[sub 3]-KTi[sub 2](PO[sub 4])[sub 3]
- Nagoya Inst. of Tech. (Japan)
This paper reports that low-thermal-expansion ceramics having arbitrary thermal expansion coefficients are synthesized from homogeneous solid solutions in the system KZr[sub 2](PO[sub 4])[sub 3]-KTi[sub 2](PO[sub 4])[sub 3] (KZP-KTP). Dense and strong ceramics are fabricated by sintering at 1100[degrees] to 1200[degrees]C with 2 wt% MgO. The thermal expansion coefficient increased from 0 to +3 [times] 10[sup [minus]6]/[degrees]C with increasing x in KZr[sub 2 [minus] x] Ti[sub x] (PO[sub 4])[sub 3] (KZTP). In addition, a functionally gradient material with respect to thermal expansion was prepared by forming a series of KZTP solid solutions in a single ceramic body. by heating a pile of KZP and KTP ceramics in contact with each other, KZP and KTP bonded together to form a KZTP gradient solid solution near the interface.
- OSTI ID:
- 7182240
- Journal Information:
- Journal of the American Ceramic Society; (United States), Journal Name: Journal of the American Ceramic Society; (United States) Vol. 75:8; ISSN 0002-7820; ISSN JACTAW
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
42 ENGINEERING
420400 -- Engineering-- Heat Transfer & Fluid Flow
661300 -- Other Aspects of Physical Science-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALKALI METAL COMPLEXES
BONDING
COMPLEXES
DISPERSIONS
EXPANSION
FABRICATION
INTERFACES
JOINING
MIXTURES
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
POTASSIUM COMPLEXES
REACTIVITY COEFFICIENTS
SINTERING
SOLID SOLUTIONS
SOLUTIONS
TEMPERATURE COEFFICIENT
TEMPERATURE RANGE
TEMPERATURE RANGE 1000-4000 K
THERMAL EXPANSION
TITANIUM COMPOUNDS
TITANIUM PHOSPHATES
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
ZIRCONIUM PHOSPHATES