Failure analysis of recurrent cases of fatigue fracture in flash butt welded rails

The stress concentration effect was severe in the studied high strength steel, causing stable crack growth until one third of web thickness, from where it spreads unstably until

Além da entrada de capital novo e dos investimentos de reposição, deve-se atentar também para a política de reinves- timentos de lucros dessas empresas. Nas economias com

In this paper, the behavior of the crack growth, the fatigue life of U-shape specimens under different level of loadings and the determination of the sheet thickness on the

The objective of this study is to measure the influence that humidity has on the fatigue crack growth velocity of two distinct adhesives characterized using the Paris Law,

To answer the main objective of the study there were fixed two specific objectives, and it is possible conclude, according of analysis of origins in each destination and with

Para a equalização da tensão nos dispositivos semicondutores de potência em série, tem- se em conta os regimes estático e dinâmico dos mesmos. O regime estático, acontece

The main aims were: to evaluate the influence of these heat treatment conditions on tensile properties, mainly fatigue crack growth rate and fracture process in the low-moderate

The purpose of this work is the study of the mechanical behavior of two different sandwich composite in static and fatigue analysis of three-point bending, using different amount