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Ce-TZP HIP (Hot isostatic pressed)

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Choose for the highest strength and finest surface finish in Ce-TZP (wire-drawing dies, precision wear parts) where porosity-initiated failure must be eliminated.

High cost $$$$

Values for the HIP condition

Other Ce-TZP tempers and conditions

Ce-TZP is listed in 4 conditions; see the grade overview at Ce-TZP.

Compare all 4 conditionsHide
Condition · open for datasheetBest forYield MPaTensile MPaElong. %HardnessConductivity
10Ce-TZP
Pick when peak fracture toughness / damage tolerance matters more than strength or hardness; more transformable, so watch stability near room temperature.—2800.2950 HV2 W/m·K
HIPThis page
Hot isostatic pressed
Choose for the highest strength and finest surface finish in Ce-TZP (wire-drawing dies, precision wear parts) where porosity-initiated failure must be eliminated.—4300.21,130 HV3 W/m·K
12CEDefault
12Ce-TZP
Standard commercial Ce-TZP: best balance of ~550 MPa strength and 10–14 MPa·√m toughness with good phase stability.———1,030 HV3 W/m·K
Ce-TZP/Al2O3 nanocomposite
Alumina-dispersed Ce-TZP: restores hardness and doubles strength while keeping very high toughness — the grade used for hip joint heads and heavily loaded tooling.———1,200 HV6 W/m·K

What is Ce-TZP HIP?

Ce-TZP HIP is Ce-TZP in the HIP condition — choose for the highest strength and finest surface finish in Ce-TZP (wire-drawing dies, precision wear parts) where porosity-initiated failure must be eliminated. Ce-TZP HIP has a tensile strength of 430 MPa (62.4 ksi), stronger than 76% of ceramic grades. The elastic modulus is 212 GPa (30.7 Msi). Ce-TZP HIP has a density of 6.24 g/cm³ (0.225 lb/in³), heavier than 69% of ceramic grades. It melts at 2,650°C (4,802 °F). 12CE is the default condition FabDigit quotes; HIP is available on request or by drawing note.

Advantages

  • Good corrosion resistance — 94/100, better than 96% of ceramic grades
  • Polishes to a fine finish — 94/100, better than 95% of ceramic grades
  • Tough — resists crack growth — 10 MPa·√m (9.1 ksi·√in), better than 87% of ceramic grades

Limitations

  • Poor heat conductor — 2.7 W/m·K (1.56 BTU/hr·ft·°F), worse than 80% of ceramic grades

Ce-TZP HIP properties

Typical room-temperature values for Ce-TZP HIP; 16 are specific to this condition. Other listed values are Ce-TZP reference data and may not represent this condition. Bars are the position among ceramic grades.

Physical4

Ce-TZP HIP has a density of 6.24 g/cm³ (0.225 lb/in³), heavier than 69% of ceramic grades. It melts at 2,650°C (4,802 °F).

Density6.24 g/cm³0.23 lb/in³
Melting Point (Solidus)2,650°C4,802 °F
Refractive Index2.18
Porosity0.02%

Mechanical11

Ce-TZP HIP has a tensile strength of 430 MPa (62.4 ksi), stronger than 76% of ceramic grades. The elastic modulus is 212 GPa (30.7 Msi).

Elastic (Young's) Modulus212 GPa30.7 Msi
Shear Modulus78 GPa11.3 Msi
Bulk Modulus175 GPa25.4 Msi
Poisson's Ratio0.31
Tensile Strength (Ultimate)430 MPa62.4 ksi
Compressive Strength2,200 MPa319 ksi
Flexural Strength750 MPa109 ksi
Fracture Toughness (K_IC)10 MPa·√m9.1 ksi·√in
Hardness, Vickers1,130 HV
Hardness, Knoop1,000 HK
Hardness, Mohs8

Thermal5

Ce-TZP HIP is rated for continuous service to 1,050°C (1,922 °F). It conducts heat at 2.7 W/m·K (1.56 BTU/hr·ft·°F), worse than 80% of ceramic grades. Thermal expansion is 10.5 µm/m·K (5.83 µin/in·°F).

Thermal Conductivity2.7 W/m·K1.6 BTU/hr·ft·°F
Specific Heat Capacity450 J/kg·K0.11 BTU/lb·°F
Thermal Expansion (CTE, 20–100 °C)10.5 µm/m·K5.8 µin/in·°F
Max Service Temperature (continuous)1,050°C1,922 °F
Min Service Temperature-200°C-328 °F

Electrical5

Ce-TZP HIP is an electrical insulator with a dielectric strength of 12 kV/mm (304.8 V/mil) and a resistivity of 1×10⁸ Ω·m.

Electrical Resistivity1×10⁸ Ω·m3.94×10¹⁵ µΩ·in
Dielectric Strength12 kV/mm305 V/mil
Dielectric Constant (1 MHz)28
Dissipation Factor (1 MHz)0.002
Volume Resistivity1×10¹⁰ Ω·cm

Chemical & Environmental2

Corrosion resistance is excellent (94/100), better than 96% of ceramic grades.

Corrosion ResistanceExcellent94/100
Chemical Resistance SummaryExcellent against water, steam, alkalis, molten non-ferrous metals and most acids; attacked by HF and hot concentrated H2SO4/H3PO4. Unlike Y-TZP it is essentially immune to low-temperature hydrothermal degradation, but strongly reducing atmospheres or vacuum above ~800 °C reduce Ce4+ to Ce3+, causing darkening and loss of tetragonal stability.

Sustainability4

Producing a kilogram of Ce-TZP HIP takes about 110 MJ of energy and emits 7.5 kg of CO₂ — less than 52% of ceramic grades. Typical recycled content is 0%.

Embodied Energy (primary production)110 MJ/kg47,292 BTU/lb
Embodied Carbon (primary production)7.5 kg CO₂/kg
Embodied Water280 L/kg33.6 gal/lb
Typical Recycled Content0%

Manufacturability3

Ce-TZP HIP's machinability is not recommended (3/100, worse than 95% of ceramic grades).

MachinabilityNot recommended3/100
PolishabilityExcellent94/100
Sintering / Firing Temperature1,500°C2,732 °F

Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.

Working with Ce-TZP HIP

Is Ce-TZP easy to machine?

Green/bisque machine wherever possible; after sintering only diamond grinding, lapping or laser/ultrasonic machining — but Ce-TZP tolerates grinding far better than Y-TZP thanks to its high toughness.

Can Ce-TZP be welded?

Not weldable; join by active-metal brazing (Ti-containing AgCu), glass sealing or mechanical/shrink fits, allowing for the ~10.5 µm/m·K CTE mismatch with steels.

Can Ce-TZP be formed, bent or molded?

Formed by uniaxial/CIP pressing, slip or injection molding of granulate, then sintering at 1450–1550 °C in air; avoid reducing atmospheres and vacuum sintering, which reduce ceria and darken/destabilize the body.

What surface finishes work on Ce-TZP?

Diamond lapping and polishing to Ra <0.05 µm; grinding-induced compressive surface stress from t→m transformation actually raises strength, and no LTD annealing is needed as with Y-TZP.

Ce-TZP 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.

ElementSpec limit (wt %)Nominal
CeO2≈10–12 mol% CeO2 expressed in wt%13 – 1716
Al2O3sintering aid in monolithic grades; 20–30 vol% in Ce-TZP/A composite0 – 0.50.25
HfO2naturally present with zirconia1 – 2.51.8
SiO2impurity0 – 0.10.02
Fe2O3impurity0 – 0.050.01
Na2Oimpurity0 – 0.050.01
ZrO2balance, tetragonal phasebalance—

Ce-TZP HIP — frequently asked

What is Ce-TZP HIP used for?

Ce-TZP HIP is typically used for biomedical implants, impact-resistant components and layered ZTA/Ce-TZP composites. In short: highest-toughness zirconia; no hydrothermal ageing; damage-tolerant Y-TZP substitute.

What is the tensile strength of Ce-TZP HIP?

Ce-TZP HIP has a typical tensile strength of 430 MPa (62.4 ksi) — stronger than 76% of ceramic grades. Strength varies by condition: see the 4 listed tempers.

Is Ce-TZP HIP easy to machine?

Not especially — machinability is rated not recommended (3/100, worse than 95% of ceramic grades). Green/bisque machine wherever possible; after sintering only diamond grinding, lapping or laser/ultrasonic machining — but Ce-TZP tolerates grinding far better than Y-TZP thanks to its high toughness.

Can Ce-TZP HIP be welded?

Not weldable; join by active-metal brazing (Ti-containing AgCu), glass sealing or mechanical/shrink fits, allowing for the ~10.5 µm/m·K CTE mismatch with steels.

What surface finishes work on Ce-TZP HIP?

Diamond lapping and polishing to Ra <0.05 µm; grinding-induced compressive surface stress from t→m transformation actually raises strength, and no LTD annealing is needed as with Y-TZP.

Can Ce-TZP HIP be formed, bent or molded?

Formed by uniaxial/CIP pressing, slip or injection molding of granulate, then sintering at 1450–1550 °C in air; avoid reducing atmospheres and vacuum sintering, which reduce ceria and darken/destabilize the body.

What is the maximum service temperature of Ce-TZP HIP?

Ce-TZP HIP is rated for continuous use to about 1,050°C (1,922 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.

Sources

  1. CEZ series ceria-stabilized zirconia powder data — Tosoh (2022)
  2. ASM Engineered Materials Handbook Vol.4: Ceramics and Glasses — ASM International (1991)
  3. Transformation toughening in Ce-TZP and Ce-TZP/Al2O3 composites (review chapters) — Journal of the American Ceramic Society / Elsevier (2010)
  4. Zirconia ceramic material properties (TZP grades) — CoorsTek / Kyocera (2023)
  5. ISO 13356 — Implants for surgery: ceramic materials based on yttria-stabilized tetragonal zirconia (reference for TZP test methods) — ISO (2015)

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.