Elastic Moduli Data for Polycrystalline Ceramics

NIST Interagency/Internal Report (NISTIR) 6853

Database Reference: NIST Structural Ceramics Database, SRD Database Number 30

Journal Reference:

Elastic Moduli Data for Polycrystalline Ceramics, R. G. Munro, NISTIR 6853, (2002),
National Institute of Standards and Technology, Gaithersburg, Maryland 20899.

Other materials: Elastic Moduli Data

Other materials Properties: Property Data Summaries



Y2O3 · xThO2 { yttria(thoria), Y2O3(ThO2), thoria-doped yttria, Th-Y2O3 }

Key to the Symbols: T = temperature, d = density, p = volume fraction of porosity, VL = longitudinal sound velocity,
VS = shear sound velocity, E = elastic modulus, G = shear modulus, B = bulk modulus, nu = Poisson's ratio.
Ref. Nbr. Exhibit
Type
Exhibit
Number
Value
Type
Measurement
Method
Matl.
Nbr.
T
[°C]
d
[g/cm3]
p
[%]
VL
[km/s]
VS
[km/s]
E
[GPa]
G
[GPa]
B
[GPa]
nu Table
Notes
179 Table I x resonance   25 5.244 0.0087     173.6 67.02   0.295 1
179 Table I x resonance   100         172.3 66.54   0.295 1
179 Table I x resonance   200         170.5 65.84   0.295 1
179 Table I x resonance   300         168.5 65.08   0.295 1
179 Table I x resonance   400         166.4 64.26   0.295 1
179 Table I x resonance   500         164.3 63.4   0.295 1
179 Table I x resonance   600         162 62.52   0.296 1
179 Table I x resonance   700         159.8 61.62   0.297 1
179 Table I x resonance   800         157.5 60.71   0.297 1
179 Table I x resonance   900         155.3 59.82   0.298 1
179 Table I x resonance   1000         153 58.95   0.298 1
179 Table I x resonance   1087         151.1 58.22   0.298 1

           ===== Table Notes =====

           1: Reported composition (mole fraction): 91 % Y2O3 + 9 % ThO2.