2001 volume 33(3)
doi:10.1068/htwu365

Cite as:
Muratikov K, Glazov A, Rose D, Dumar J, 2001, "Photothermal and photoacoustic measurement of thermal and thermoelastic properties of ceramics with residual stresses" High Temperatures - High Pressures 33(3) 285 – 292

Photothermal and photoacoustic measurement of thermal and thermoelastic properties of ceramics with residual stresses

Kyrill Muratikov, Alekseĭ Glazov, Douglas Rose, John Dumar

Received 09 February 2000

Abstract. The influence of residual stress on thermal, thermoelastic, and elastic properties of silicon nitride ceramics is analyzed. The results of the multimode experimental investigations based on photodeflection, photoreflectance, and photoacoustic piezoelectric measurements of Vickers indented ceramics are presented. It is shown that residual stress does not strongly influence thermal properties of silicon nitride ceramics. The modified Murnaghan nonlinear thermoelastic model is used for estimation of the nonlinear thermoelastic and elastic properties of silicon nitride ceramics.

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