Mechanical Stress Evaluation

Mechanical Stress Evaluation by Neutron and Synchrotron Radiation

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This book presents the proceedings of the 9th International Conference on Mechanical Stress Evaluation by Neutron and Synchrotron Radiation which was hosted by the South African Nuclear Energy Corporation (Necsa) SOC Limited in cooperation with the International Atomic Energy Agency (IAEA).

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Mechanical Stress Evaluation by Neutron and Synchrotron Radiation
MECA SENS 2017
Eds. Deon Marais, Thomas M Holden, Andrew M Venter
Materials Research Proceedings Volume 4
Publication Date 2018, 164 Pages
Print ISBN 978-1-945291-66-1 (release date May 10th, 2018)
ePDF ISBN 978-1-945291-67-8
DOI: 10.21741/9781945291679

This book presents the proceedings of the 9th International Conference on Mechanical Stress Evaluation by Neutron and Synchrotron Radiation which was hosted by the South African Nuclear Energy Corporation (Necsa) SOC Limited in cooperation with the International Atomic Energy Agency (IAEA). The conference topics included deformation & modeling, processing & welding, techniques & instruments, mechanical methods vs. diffraction, microstructure & characterization, surface modification & coatings, 3D/4D characterization and fatigue, creep & plasticity.

Keywords
Deformation & Modeling, Processing & Welding, Techniques & Instruments, Mechanical Methods Vs. Diffraction, Microstructure & Characterization, Surface Modification & Coatings, Fatigue, Creep, Plasticity

Table of Contents (all papers are OPEN ACCESS / click on any title to see the full abstract and PDF)

Diffraction Methods and Scale Transition Model used to study Evolution of Intergranular Stress and Micro-Damage Phenomenon during Elasto-Plastic Deformation
A. Baczmański, S. Wroński, E. Gadalińska, Y. Zhao, L. Le Joncour, C. Braham, C. Scheffzük, P. Kot

Examination of Deformation Mechanisms of Magnesium AZ31: in situ X-Ray Diffraction and Self-Consistent Modelling
M. Wronski, K. Wierzbanowski, A. Baczmanski, S. Wronski, M. Wojtaszek, R. Wawszczak, M. Muzyka

In situ Synchrotron X-Ray Measurement of Strain Fields near Fatigue Cracks grown in Hydrogen
M. Connolly, P. Bradley, A. Slifka, D. Lauria, E. Drexler

Stress Evaluation of Adhesively Bonded Lap Joints with Aluminum 2024-T3 Adherents Using FEA
M. Khodja, A. Ahmed, F. Hamida, G. Corderley, S. Govender

Investigating Stresses Developed during Mechanical Forming of Steel through Finite Element Analysis
S.A. Akinlabi, O.S. Fatoba, E.T. Akinlabi

Dislocation Density of Oxygen Free Copper with Compressive Strain Applied at High Temperature
M. Sano, S. Takahashi, A. Watanabe, A. Shiro, T. Shobu

Evaluation of Residual Stresses Introduced by Laser Shock Peening in Steel using Different Measurement Techniques
D. Glaser, M. Newby, C. Polese, L. Berthe, A.M. Venter, D. Marais, J.P. Nobre, G. Styger, S. Paddea, S.N. van Staden

Diffraction Line-Broadening Analysis of Al2O3/Y-TZP Ceramic Composites by Neutron Diffraction Measurement
K. Fan, J. Ruiz-Hervias, C. Baudin, J. Gurauskis

Influence of Laser Power and Traverse Speed on Weld Characteristics of Laser Beam Welded Ti-6Al-4V Sheet
P.M. Mashinini, D.G. Hattingh

Microstresses in Thermally Stable Diamond Composites made by High Pressure Infiltration Technique
V. Luzin, G. Voronin, M. Avdeev, J. Boland

Investigating the Residual Stress Distribution in Selective Laser Melting Produced Ti-6Al-4V using Neutron Diffraction
L.S. Anderson, A.M. Venter, B. Vrancken, D. Marais, J. van Humbeeck, T.H. Becker

Residual Stress Determination of Ductile Cast Iron by means of Neutron Diffraction
F. Smith, J. Markgraaff, D.Marais, A.M. Venter

Effect of Residual Stress Relaxation due to Sample Extraction on the Detectability of Hot Crack Networks in LTT Welds by means of µCT
F. Vollert, J. Dixneit, J. Gibmeier

Fast Temporal and Spatial Resolved Stress Analysis at Laser Surface Line Hardening of Steel AISI 4140
D. Kiefer, J. Gibmeier, F. Beckmann

Synchrotron XRD Evaluation of Residual Stresses Introduced by Laser Shock Peening for Steam Turbine Blade Applications
M. Newby, A. Steuwer, D. Glaser, C. Polese, D.G. Hattingh, C. Gorny

Neutron Diffraction Investigation of Residual Stresses in Nickel Based Austenitic Weldments on Creep Resistant Cr-Mo-V Material
P. Doubell, M. Newby, D. Hattingh, A. Steuwer, M.N. James

Neutron Through-Thickness Stress Measurements in Two-Phase Coatings with High Spatial Resolution
V. Luzin, D. Fraser

Measurement of Residual Stresses in Different Thicknesses of Laser Shock Peened Aluminium Alloy Samples
S.N van Staden, C. Polese, D. Glaser, J.-P. Nobre, A.M. Venter, D. Marais, J. Okasinski, J.-S. Park

Depth-Resolved Strain Investigation of Plasma Sprayed Hydroxyapatite Coatings Exposed to Simulated Body Fluid
T. Ntsoane, C. Theron, M. Topic, M. Härting, R. Heimann

Stress Profiling in Cold-Spray Coatings by Different Experimental Techniques: Neutron Diffraction, X-Ray Diffraction and Slitting Method
V. Luzin, K. Spencer, M.R. Hill, T. Wei, M. Law, T. Gnäupel-Herold

Performance Effects of Laser Deposited Ti-Al-Sn Coating on ASTM A29 Steel
O.S. Fatoba, S.A. Akinlabi, E.T. Akinlabi

Alignment and Calibration Procedures of the Necsa Neutron Strain Scanner
D. Marais, A.M. Venter, V. Luzin

Neutron Transmission Strain Measurements on IMAT: Residual Strain Mapping in an AlSiCp Metal Matrix Composite
R.S. Ramadhan, W. Kockelmann, A.S. Tremsin, M.E. Fitzpatrick

Deformation Analysis of Reinforced Concrete using Neutron Imaging Technique
T. Koyama, K. Ueno, M. Sekine, Y. Matsumoto, T. Kai, T. Shinohara, H. Iikura, H. Suzuki, M. Kanematsu

Influence of Hydrogenation on Residual Stresses in Oxygen-Implanted Ti-6Al-4V Alloy
S. Nsengiyumva, T.P. Ntsoane, M. Topic, L. Pichon

External Links:
Residual Stresses Group on LinkedIn
https://www.veqter.co.uk

About the Editors

The editors comprises three generations of researchers all with a passion for understanding and describing the physical world.

Deon Marais holds a B.Eng in computer and electronics and an M.Eng and Ph.D.  in nuclear engineering from the North-West University, South Africa. In 2009 he started his career as a nuclear software engineer on high temperature gas cooled reactor projects whereafter he moved to Necsa (South African Nuclear Energy Corporation) SOC Ltd where he became responsible for the data acquisition & control, reduction and visualisation systems of the neutron diffraction facility. He is also an instrument scientist on the MPISI neutron strain scanner.

Thomas M. (Tom) Holden received his B.Sc. and Ph.D. from Leeds University in England. He began working in the field of neutron scattering during post-doc positions at the United Kingdom Atomic Energy Authority, Harwell and at Chalk River Nuclear Laboratories in Canada. In 1966 he joined the staff of Atomic Energy of Canada (AECL) and studied magnetism until the 1980’s. In 1983 he began working on measurements of residual stress and texture in engineering components and materials by neutron diffraction. In 1998 he retired from AECL and since then has consulted in Australia, the Netherlands, Japan, Korea, the United States and South Africa.

Andrew M. Venter received his qualifications up to the level of Ph.D.  from the Rand Afrikaans University (now University of Johannesburg) and has an an extra-ordinary professorship with the North-West University in South Africa. He is a scientific group leader at Necsa and an National Research Foundation of South Africa rated research scientist with more than 30 years’ experience in neutron and X-ray diffraction techniques. He has been responsible for the establishment of world-class neutron and X-ray diffraction facilities at Necsa in support of material science studies in South Africa.

Dr Deon Marais
Dr Tom  Holden

Prof Andrew Venter

 

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