Technical Publication covers fatigue and fracture mechanics.September 30, 2009 -
Available from ASTM, 36th volume of STP 1508, Fatigue and Fracture Mechanics, features 42 peer reviewed papers that present latest research in residual stress effects on fatigue and fracture, multi-scale and physics-based approaches, reactor components and materials, and fatigue crack growth. Papers also address predicting effects of elevated temperatures and environment, and fatigue and fracture of specific components, joining methods, surface treatments, and coatings.
New Volume of ASTM International Technical Publication on Fatigue and Fracture Mechanics
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Press release date: September 28, 2009
W. CONSHOHOCKEN, Pa., Sept. 28, 2009-The 36th volume of ASTM International's STP 1508, Fatigue and Fracture Mechanics, is now available.
STP 1508 features forty-two peer reviewed papers that present the latest research in: residual stress effects on fatigue and fracture; multiscale and physics-based approaches; reactor components and materials; fatigue crack growth; predicting the effects of elevated temperatures and environment; and fatigue and fracture of specific components, joining methods, surface treatments and coatings.
To view the entire Table of Contents of STP 1508, go to www.astm.org and enter STP1508 at the site search.
STP 1508, Fatigue and Fracture Mechanics, 36th Volume, is available in electronic or hardy copy for $139 (605 pages, soft cover, 6" x 9"; ISBN: 978-0-8031-3416-4; stock # STP1508; E-book ISBN: 978-0-8031-6999-9, E-book stock # STP1508-EB).
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User comments about this story
RESIDUAL STRESS, FATIGUE, CRACK.
RESIDUAL STRESS,FATIGUE, CRACK.
This type of non-destructive method NDT provides the possibility to measure residual stress and the effect of the service load with an impact device and a vibration measurement sensor. Internal stresses are to be considered as the following: 1) Operational strains referring to loads that the material is subject and calculated 2) Residual stresses in the material caused by heat treatments or stresses caused by welding, forging, casting, etc. The new technique is able to measure the applied load and residual stress that are balanced on the surface of the material, and in a relatively large volume, at times even the same size as the entire structures. This stress is part of the metalís elasticity field and has a three axis spatial orientation. The system works through the accelerometer mounted with a magnetic base to generate the acceleration value of the vibrations created by the device impacting on the metal surface.
The acceleration value, in combination with other parameters, permits obtaining the exact value of the residual stress or load applied in the desired point. This value will appear on the display directly in N / mm ≤. For non-magnetic metals, wax or gel will be used to mount the accelerometer.
This new system, for buildings, bridges steel inspection is very simple for to use , portable ,measure exact values of residual stress due to welding and the applied loads. After many years of research and tests, and between e discover about elastics behavior in field of metal steel now is very practice inspection point to point building and bridge constructions. This new system let bridges steel inspection in very simple mode, is portable instrument and let to measure exact values of residual stress due to welding and the applied loads.
P.I. Ennio Curto.
Ennio Curto on Oct 3, 2009 11:21
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