Synthesizing Annealing Twins in Three-Dimensional Voxel-Based Microstructures

Lisa H. Chan; Gregory S. Rohrer; Anthony D. Rollett

doi:10.4028/www.scientific.net/MSF.715-716.549

Paper Titles

Microstructure Instability during Particle and Solute Inhibited Grain Growth
p.528

Microstructural Modelling Applied to the Design and Control of the Steel Plate Rolling Process
p.529

Abnormal Grain Growth Approached by Sub-Boundary Enhanced Solid-State Wetting
p.542

Modelling the Recrystallization Behaviour during Industrial Processing of Aluminium Alloys
p.543

Synthesizing Annealing Twins in Three-Dimensional Voxel-Based Microstructures
p.549

Recrystallization during Annealing of a Cold Rolled Lean Duplex Stainless Steel
p.550

Two-Dimensional Grain Growth Simulation by Local Curvature Multi-Vertex Model
p.551

Assessment of the Stored Energy Evolution during Batch Annealing Process of Cold Rolled HSLA Steels
p.557

Conditions for the Occurrence of Abnormal Grain Growth Studied by a 3 D Vertex Dynamics Model
p.563

HomeMaterials Science ForumMaterials Science Forum Vols. 715-716Synthesizing Annealing Twins in Three-Dimensional...

Synthesizing Annealing Twins in Three-Dimensional Voxel-Based Microstructures

Abstract:

The five-parameter grain boundary character distribution (GBCD) of a material contains both the grain boundary plane orientation and the lattice misorientation information. This work focuses on generating three-dimensional microstructures that match the full five-parameter GBCD obtained from experimentally observed microstructures. In face-centered cubic metals, the density of high symmetry boundaries is often maximized in order to improve grain boundary dependent properties, such as the resistance to intergranular corrosion and fatigue cracking. Twinning events have been found to be very effective in introducing these high symmetry boundaries that are denoted by low sigma values for Coincident Site Lattice relationships. Therefore, in this investigation, microstructures that contain annealing twins are of particular interest. The statistics that are used to quantify the differences between the synthetic and experimentally observed structures are texture or orientation distribution (OD), GBCD, number and area fractions of S3 and coherent S3 boundaries, S3 cluster distribution, and twin density.