On the cover of this Issue: Machine Learning Neural-Network Predictions for Grain-Boundary Strain Accumulation in a Polycrystalline Metal by R.B. Vieira and J. Lambros News 15 March 2021 Pages: 625 - 625
Machine Learning Neural-Network Predictions for Grain-Boundary Strain Accumulation in a Polycrystalline Metal R. B. VieiraJ. Lambros Research paper 20 January 2021 Pages: 627 - 639
Critical Evaluation of Spherical Indentation Stress-Strain Protocols for the Estimation of the Yield Strengths of Steels S. MohanN. Millan-EspitiaS. R. Kalidindi Research paper 20 January 2021 Pages: 641 - 652
Fluorescent 2D Digital Image Correlation With Built‐in Coaxial Illumination for Deformation Measurement in Space‐constrained Scenarios B. DongC. LiB. Pan Research paper 20 January 2021 Pages: 653 - 661
Laser-Ultrasonic Characterization of Strongly Anisotropic Materials by Transient Grating Spectroscopy P. StoklasováT. GrabecH. Seiner Research paper 04 February 2021 Pages: 663 - 676
Optimal Aperture and Digital Speckle Optimization in Digital Image Correlation Y. WangY. GaoQ. Zhang Brief Technical Note 10 February 2021 Pages: 677 - 684
The Interplay of Geometric Defects and Porosity on the Mechanical Behavior of Additively Manufactured Components B. A. SmithC. M. LaursenG. J. Pataky Research paper 05 February 2021 Pages: 685 - 698
A Simple Contact Mechanics Model for Highly Strained Aqueous Surface Gels A. L. ChauM. K. CavanaughA. A. Pitenis Brief Technical Note Open access 16 February 2021 Pages: 699 - 703
A Contactless Approach to Monitor Rail Vibrations A. EnshaeianL. LuanP. Rizzo Research paper 17 March 2021 Pages: 705 - 718
Fast Adaptive Mesh Augmented Lagrangian Digital Image Correlation J. YangK. Bhattacharya Research paper 17 May 2021 Pages: 719 - 735