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Ensinger PEI

Magnéli-Phase 40 vol.-% Ti4O7/60 vol.-% Ti5O9
Categories: Ceramic; Oxide; Titanium Oxide

Material Notes: Samples were hot-pressed at 1500°C and 70 MPa. Porosity is 6 Vol%. Average grain size is 5µm.

Information provided by Dr. Mathias Woydt from this reference: M. Woydt, Tribological Characteristics of Polycrystalline Titanium Dioxides with Planar Defects, Tribology Letters, 2000, Vol. 8, No. 2-3, Special Issue, "Lubricious Oxides," p. 117-130.

Key Words: titanium oxide, Ti4O7, Ti5O9, Magneli Phase
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Physical PropertiesMetricEnglishComments
Density 5.244 g/cc0.1895 lb/in³
Weibull Modulus 7.67.6
 
Mechanical PropertiesMetricEnglishComments
Vickers Microhardness 9630 - 109509630 - 10950HV 0.2
Modulus of Elasticity 221 GPa32100 ksi
Flexural Strength 100 MPa14500 psiMedian 4 point bending strength per DIN 51110
Poissons Ratio 0.2750.275
Shear Modulus 86.7 GPa12600 ksiCalculated

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