Stephen Langer

Publications

Analytical and Numerical Analyses for Two-Dimensional Stress Transfer

October 12, 2021

Author(s)

C H. Hsueh, P Becher, Lin-Sien H. Lum, Stephen A. Langer, W Carter

Both analytical modeling and numerical simulations were performed to analyze the stress transfer in platelet-reinforced composites in a two-dimensional sense

Effects of Bond Coat Surface-Roughness on Residual Stresses of Thermal Barrier Coating Systems

October 12, 2021

Author(s)

C H. Hsueh, J Haynes, M Lance, P Becher, M Ferber, Stephen A. Langer, W Carter, W R. Cannon, Lin-Sien H. Lum

The adherence of plasma-sprayed thermal barrier coatings (TBCs) is dependent on mechanical interlocking at the interface between the ceramic top coat and the

Simulating Thermal Response of EB-PVD Thermal Barrier Coating Microstructures

October 12, 2021

Author(s)

M Bartsch, U Schulz, J M. Dorvaux, O Lavigne, Lin-Sien H. Lum, Stephen A. Langer

As ceramic thermal barrier coatings (TBC) are used in more critical applications in advanced engines, knowing basic physiproperties of TBC's is essential for

Spatial strain correlations, machine learning, and deformation history in crystal plasticity

May 16, 2019

Author(s)

Andrew C. Reid, Stefanos Papanikolaou, Hengxu Song, Erik Van der Giessen, Stephen A. Langer, Michail Tzimas

Digital image correlation (DIC) is a well-established, non-invasive technique for tracking and quantifying the deformation of mechanical samples under test

Morphology Dependent of Flow Stress of Nickel-Based Superalloys in the Multi-Scale Crystal Plasticity Framework

November 2, 2017

Author(s)

Shahriyar Keshavarz, Zara Molaeinia, Andrew C. Reid, Stephen A. Langer

This paper develops a framework to obtain flow stress of Nickel-based superalloys as a function of gamma-gamma prime morphology. In general, the two-phase gamma

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Stephen Langer (Fed)

Current Research:

Publications

Analytical and Numerical Analyses for Two-Dimensional Stress Transfer

Effects of Bond Coat Surface-Roughness on Residual Stresses of Thermal Barrier Coating Systems

Simulating Thermal Response of EB-PVD Thermal Barrier Coating Microstructures

Spatial strain correlations, machine learning, and deformation history in crystal plasticity

Morphology Dependent of Flow Stress of Nickel-Based Superalloys in the Multi-Scale Crystal Plasticity Framework