Transformation of 2D RVE local stress and strain distributions to 3D observations in full phase crystal plasticity simulations of dual-phase steels

S Tseng, F Qayyum, S Guk, C Chao, U Prahl - Crystals, 2022 - mdpi.com
Crystal plasticity-based numerical simulations help understand the local deformation
behavior of multiphase materials. It is known that in full phase simulations, the local 2 …

Interfacial stresses of thermal barrier coating with film cooling holes induced by CMAS infiltration

C Chiu, S Tseng, C Chao, X Fan, W Cheng - Coatings, 2022 - mdpi.com
To obtain high gas turbine efficiency, a film cooling hole is introduced to prevent the
destruction of thermal barrier coating systems (TBCs) due to hot gases. Furthermore …

Interfacial stresses for a coated irregularly shaped hole embedded in an infinite solid under point heat singularity

YL Liao, SC Tseng, CK Chao - Mathematics, 2023 - mdpi.com
Particle-reinforced metals are being developed for advanced heat dissipation applications.
However, an irregularly shaped void develops during eutectic solidification and enhances …

Stress analysis of an inclusion layer bonded to an irregularly shaped pore under an edge dislocation or a concentrated load

YL Liao, SC Tseng, CK Chao - Journal of Mechanics, 2022 - academic.oup.com
Pores play an important role in the failure analysis of metal castings. During the solidification
process, slag inclusions such as oxides, nitrides and sulfides may form around the pores …

Thermal stress analysis for a hypocycloid-type crack problem under remote thermal loading

YZ Chen - Journal of Thermal Stresses, 2021 - Taylor & Francis
Under the remote thermal loading, the thermal stress analysis for a hypocycloid-type crack is
carried out. Two kinds of thermal conditions are assumed along the hypocycloid-type crack …

Effects of material characteristics on thermal stress around an equiangular polygonal hole in a thermoelectric material

MH Shen, YL Liao, SC Tseng, CK Chao - Journal of Mechanics, 2023 - academic.oup.com
In this study, we conducted a theoretical analysis of thermal stress around an arbitrarily
shaped hole in a thermoelectric material under electric current density and energy flux …

Improved method for generation of hot working process maps of metals

SC Tseng, M Ali, F Qayyum, S Guk… - Journal of the …, 2023 - Taylor & Francis
ABSTRACT A process map is an intelligent way of visualizing material deformation behavior
under hot working conditions by encompassing the activation and deactivation of different …

Thermal stresses for a coated irregularly shaped hole embedded in an infinite substrate subject to a remote uniform heat flow

YL Liao, SC Tseng, CK Chao - Archive of Applied Mechanics, 2023 - Springer
This article presents analytical solutions for a coated irregularly shaped void embedded in
an infinite substrate subject to remote uniform heat flow. Both the temperature and stress …

Stress intensity factors and full-field stresses for a hypocycloid-type crack within a thermo-elastic material

YL Liao, CC Ma, CK Chao - Mathematics and Mechanics of …, 2024 - journals.sagepub.com
This study focuses on the failure analysis of a hypocycloid-type crack within a thermo-elastic
material. Employing the conformal mapping method, analytical continuation theorem, and …

Failure analysis of a polygonal void with an oxide layer in a cracked matrix

SC Tseng, CK Chao, JY Guo - International Journal of Applied …, 2021 - World Scientific
An oxide layer can commonly be found between a void in and the matrix of metal materials
subjected to remote mechanical loading. This paper presents an evaluation of the failure …