High temperature strength and inelastic behavior of plate–fin structures for HTGR

Notch effect on creep damage for Hastelloy C276-BNi2 brazing joint

“…Nobutada Ohno et al [3] studied the elastic-viscoplastic behavior of plate-fin structures by a homogenous method. F. Kawashima et al [4] studied the high temperature strength and inelastic behavior of platefin structures on the basis of equivalent-homogeneous-solid concept. In their models, the porous core is treated as an equivalenthomogeneous-solid plate.…”

Creep damage and crack initiation in P92–BNi2 brazed joint

“…Therefore, a guideline of creep strength design for the brazing joint and macro structure should be built before application. In recent years, the macro creep strength has been studied by homogenized elastic-viscoplastic method [7][8][9] and viscoelastic model [10], respectively. But the local stress concentration and residual stress have not been considered in their models.…”

Homogenised elasto-viscoplastic material modelling of thick perforated plates at high temperature

“…Tsuda et al [13] studied the homogenised elasto-viscoplastic behaviour of an ultra-fine plate-fin structure that was produced for compact heat exchanger cores [14]. They analysed the homogenised elasto-viscoplastic behaviour at high temperature using a fully implicit incremental homogenisation scheme [15].…”