Abstract
In the present paper, thermomechanical attributes of a power-law graded uniform mounted disc with or without rigid casing are investigated analytically under centrifugal and steady-state thermal loads within the framework of axisymmetric infinitesimal plane-stress elasticity theory. Young's modulus, material density, thermal expansion coefficient and thermal conductivity are all assumed to be constantly changed in the radial direction with different inhomogeneity indexes while Poisson's ratio is kept constant. Two parametric studies are conducted by both hypothetically and physically chosen metal-ceramic pairs namely nickel-silicon nitride (Ni-Si3N4), aluminum-aluminum oxide (Al-Al2O3), and stainless steel-zirconium oxide (SUS304-ZrO2).
Highlights
After making the scene in Japan in the late 1980s, functionally graded materials (FGM), which have exceptional gradually changing mechanical and thermal properties along the favored directions of the structure, have gained great attention from scholars
The considerable number of studies has focused on the investigation of the elastic behavior of many types of FGM structures subjected to various loads and conditions
Research related to only centrifugal force effects on elastic behavior of FGM discs is of the top priority in the open literature
Summary
After making the scene in Japan in the late 1980s, functionally graded materials (FGM), which have exceptional gradually changing mechanical and thermal properties along the favored directions of the structure, have gained great attention from scholars. For exponentially graded uniform rotating annular disks under combinations of clamped and free boundary conditions, an elastic solution in terms of Whittaker’s functions were presented by Zenkour (2005). Yildirim (2016) proposed analytic solutions to power-law graded hyperbolic rotating discs subjected to both pressure and centrifugal loads under different boundary conditions.
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