Stress thermo-mechanical induced

In 1992, McManus and Springer [5, 6] presented a thermomechanical model that considered the interaction between mechanically induced stresses and pressures created by the decomposition of gases within the pyrolysis front. Again, temperature-dependent mechanical properties were determined at several specified temperature points as stepped functions. The issue of degradation of material properties at elevated temperatures was considered in Dao and Asaro s [7] thermo-mechanical model in 1999. The degradation curves used in the model were, once again, obtained by curve fitting of limited experimental data. 

Pm+Pb+Q) should not exceed 3 Sm limits. Since the Sm value is 104 MPa at 773 K, while the induced stress intensities have high margins. For a better thermo-mechanical behaviour and economy, the pipe thickness is reduced to 10 mm. 

---