.... Sci. Eng., A 0921-5093 , 322 , pp. 153 – 3158 . 10.1016/S0921-5093(01)01128-5 19 03 2009 16 11 2009 22 02 2010 22 02 2010 aluminium creep fracture dislocations creep dislocations creep damage pure aluminum The increasing demand for higher...

...M. Evans The approaches traditionally used to quantify creep and creep fracture are critically assessed and reviewed in relation to a new approach proposed by Wilshire and Scharning. The characteristics, limitations, and predictive accuracies of these models are illustrated by reference...

... in Fig. 4a defines the exponent m = 0.219 for our composite. Single flax fibers in a flax/PP composite. Detail of the fracture surface. ( a ) SEM micrograph showing the creep fracture surface (cross section) of a flax/PP composite. The specimen ruptured after 1...

... 2006 creep fracture laminates delamination cracks internal stresses fibre reinforced plastics creep rupture time-dependent damage polymer composites multidirectional laminates Time-dependent degradation in modulus (creep) and strength (creep rupture), owing...

... martensitic steel creep fracture creep testing crystal microstructure life testing magnetic hysteresis stress effects scanning electron microscopy optical microscopy X-ray diffraction X-ray chemical analysis ferromagnetic materials A large percentage of power plants all over the world have...

.... , 28 , p. 1315 1315 . Cocks , A. C. F. , and Ashby , M. F. , 1982 , “ Creep Fracture by Coupled Power-Law Creep and Diffusion...

... plastic deformation tensile strength crack-edge stress field analysis creep fracture fatigue cracks high-temperature effects ceramics ultrasonic materials testing yield point acoustic emission testing scanning electron microscopy Young's modulus crack detection delamination Ceramic...

... at fracture. According to the fracture-mechanism map for annealed 2 1/4 Cr-1Mo steel by Ashby and co-workers 4 , the above range of stress and temperature conditions are within the region of transgranular creep fractures tending to the border of the intergranular creep fractures at the lower stress levels...

... stress, exhibit relatively little variation. In response to the scatter in creep properties, elevated temperature components are often designed using worst-case property values. This practice leads to safe, but not infrequently over-designed, components. creep creep fracture reviews 2000...

... 1999 07 March 2000 alloy steel embrittlement cracks welding precipitation grain boundary segregation creep fracture notch strength petroleum industry heat treatment This article is a continuation of Part 1 publication in this special issue. It gives a description...

... at this location 4 . Therefore, it is essential to establish a life prediction method for the CH condition. nickel alloys chromium alloys cobalt alloys superalloys fatigue slip creep fracture voids (solid) scanning electron microscopy modelling 24 November 1999 01 March 2000...

...; revised manuscript received March 1, 2000. Guest Editors: Raj Mohan and Rishi Raj. 15 December 1999 01 March 2000 alloy steel arc welding power plants creep fracture structural engineering crystal microstructure high-temperature effects rotors Components used...

... failures and illustrate them with some failure examples pertaining to creep, thermal fatigue and embrittlement. A detailed review of the failure mechanisms affecting the integrity of utility and chemical plants can be found in 1 . power plants creep fatigue creep fracture thermal stress...

.... Nguyen , B.-N. , Onck , P. R. , and Van der Giessen , E. , 2000 , “ Crack-tip Constraint Effects on Creep Fracture ,” Eng. Fract. Mech. , 65 , pp. 467 – 490 . Yang , S. , Chao , Y. J. , and Sutton , M. A. , 1993 , “ Higher Order Asymptotic Crack Tip Fields in a Power-law...