BaTiO3 SINT
Print state · default condition
SINT = sintered
Standard dense fired body for capacitor dielectrics, piezo discs and dielectric test parts.
Values for the SINT condition
Other BaTiO3 tempers and conditions
BaTiO3 is listed in 3 conditions; see the grade overview at BaTiO3.
Compare all 3 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Donor-doped semiconducting ceramic | Pick when a self-regulating heater or over-current protector is needed: resistivity jumps several decades above the doped Curie point. | — | 38 | 0.05 | 500 HV | 3 W/m·K |
SINTDefaultThis page Sintered | Standard dense fired body for capacitor dielectrics, piezo discs and dielectric test parts. | — | 45 | 0.05 | 550 HV | 3 W/m·K |
Single crystal | Use for photorefractive optics, domain-engineering research and reference dielectric/piezo measurements; expensive and small sizes only. | — | 55 | 0 | 600 HV | 5 W/m·K |
What is BaTiO3 SINT?
BaTiO3 SINT is BaTiO3 in the SINT condition — standard dense fired body for capacitor dielectrics, piezo discs and dielectric test parts. BaTiO3 SINT has a tensile strength of 45 MPa (6.53 ksi), weaker than 69% of ceramic grades. Elongation at break is 0.05% and the elastic modulus is 110 GPa (16 Msi). BaTiO3 SINT has a density of 5.9 g/cm³ (0.213 lb/in³), heavier than 63% of ceramic grades. It melts at 1,625°C (2,957 °F).
Advantages
- Low embodied carbon — 5 kg CO₂/kg, better than 76% of ceramic grades
Limitations
- Low fracture toughness — 1 MPa·√m (0.91 ksi·√in), worse than 84% of ceramic grades
- Poor heat conductor — 3 W/m·K (1.73 BTU/hr·ft·°F), worse than 77% of ceramic grades
BaTiO3 SINT properties
Typical room-temperature values for BaTiO3 SINT; 14 are specific to this condition. Other listed values are BaTiO3 reference data and may not represent this condition. Bars are the position among ceramic grades.
Physical4
BaTiO3 SINT has a density of 5.9 g/cm³ (0.213 lb/in³), heavier than 63% of ceramic grades. It melts at 1,625°C (2,957 °F).
Mechanical11
BaTiO3 SINT has a tensile strength of 45 MPa (6.53 ksi), weaker than 69% of ceramic grades. Elongation at break is 0.05% and the elastic modulus is 110 GPa (16 Msi).
Thermal5
BaTiO3 SINT is rated for continuous service to 1,000°C (1,832 °F). It conducts heat at 3 W/m·K (1.73 BTU/hr·ft·°F), worse than 77% of ceramic grades. Thermal expansion is 9 µm/m·K (5 µin/in·°F).
Electrical5
BaTiO3 SINT is an electrical insulator with a dielectric strength of 5 kV/mm (127 V/mil) and a resistivity of 1×10¹⁰ Ω·m.
Chemical & Environmental2
Corrosion resistance is very good (72/100), worse than 53% of ceramic grades.
Sustainability4
Producing a kilogram of BaTiO3 SINT takes about 60 MJ of energy and emits 5 kg of CO₂ — less than 76% of ceramic grades. Typical recycled content is 0%.
Manufacturability3
BaTiO3 SINT's machinability is not recommended (8/100, better than 69% of ceramic grades).
Common Calculations4
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with BaTiO3 SINT
Is BaTiO3 easy to machine?
Green or bisque machining is the practical route; fired bodies require diamond grinding, dicing and lapping with care for chipping.
Can BaTiO3 be welded?
Not weldable — joined by metallization (Ag, Ni/Cu, Ag-Pd) plus soldering, or by active-metal/glass brazing.
Can BaTiO3 be formed, bent or molded?
Formed as tape-cast layers, uniaxial/isostatic pressed discs or extruded shapes, then sintered 1250–1400 °C (lower with Cu-compatible reducing atmospheres and sintering aids).
What surface finishes work on BaTiO3?
Fired surfaces are lapped/polished for electrode adhesion; termination by screen-printed silver, sputtered Ni/Cr or electroless Ni plating.
BaTiO3 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| Bastoichiometric BaTiO3, Ba/Ti typically 0.995–1.005 | 58 – 59.5 | 58.9 |
| Ti | 20 – 21 | 20.5 |
| dopants (Y, Nb, Mn, Mg, Ca, Zr, rare eargrade-specific: donor doping for PTC, Mg/rare-earth core-shell for X7R MLCC | 0 – 3 | 0.5 |
| O | balance | — |
BaTiO3 SINT — frequently asked
What is BaTiO3 SINT used for?
BaTiO3 SINT is typically used for MLCC capacitor dielectrics, PTC thermistors, piezoelectric transducers and PTC heaters. In short: highest-permittivity capacitor dielectric; ferroelectric perovskite base material; PTC resistance switching.
What is the tensile strength of BaTiO3 SINT?
BaTiO3 SINT has a typical tensile strength of 45 MPa (6.53 ksi) — weaker than 69% of ceramic grades. Strength varies by condition: see the 3 listed tempers.
Is BaTiO3 SINT easy to machine?
Not especially — machinability is rated not recommended (8/100, better than 69% of ceramic grades). Green or bisque machining is the practical route; fired bodies require diamond grinding, dicing and lapping with care for chipping.
Can BaTiO3 SINT be welded?
Not weldable — joined by metallization (Ag, Ni/Cu, Ag-Pd) plus soldering, or by active-metal/glass brazing.
What surface finishes work on BaTiO3 SINT?
Fired surfaces are lapped/polished for electrode adhesion; termination by screen-printed silver, sputtered Ni/Cr or electroless Ni plating.
Can BaTiO3 SINT be formed, bent or molded?
Formed as tape-cast layers, uniaxial/isostatic pressed discs or extruded shapes, then sintered 1250–1400 °C (lower with Cu-compatible reducing atmospheres and sintering aids).
What is the maximum service temperature of BaTiO3 SINT?
BaTiO3 SINT is rated for continuous use to about 1,000°C (1,832 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
Sources
- Engineered Materials Handbook Vol. 4: Ceramics and Glasses — ASM International (1991)
- Principles of Electronic Ceramics / Physical Ceramics — Wiley (1997)
- Barium titanate powders and MLCC dielectric grades — Sakai Chemical / Ferro / Nippon Chemical (2023)
- Landolt-Börnstein: Ferroelectrics and Related Substances (perovskite oxides) — Springer (2002)
Property data is compiled from published supplier and standards handbooks and normalised for comparison. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.