Results 221 to 230 of about 8,828 (266)
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1994
In this chapter the main factors influencing high temperature creep—fatigue crack growth in engineering materials are discussed. The significance of minimum to maximum load ratio R, frequency, environment and temperature are considered in turn. Transgranular cycle dependent and intergranular time dependent controlled cracking processes are identified ...
G. A. Webster, R. A. Ainsworth
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In this chapter the main factors influencing high temperature creep—fatigue crack growth in engineering materials are discussed. The significance of minimum to maximum load ratio R, frequency, environment and temperature are considered in turn. Transgranular cycle dependent and intergranular time dependent controlled cracking processes are identified ...
G. A. Webster, R. A. Ainsworth
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Fatigue Crack Growth, Fatigue, and Stress Corrosion Crack Growth: Section XI Evaluation
2012AbstractFatigue has often been described as the most common cause of failure in engineering structures, and designers of pressure vessels and piping have incorporated fatigue considerations into design requirements since the first edition of Section III in 1963.
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Fatigue crack growth in polymers
International Journal of Fracture, 1980A number of fatigue crack propagation laws applied in the study of polymers is described. Consideration of the stress field distribution at the crack tip leads to the application of fracture mechanics. It is shown that a simplified relationship of the form da/dN =Fλα, whereφ is a function ofKIC,Kmax,Kmin andKTH appears to be a convenient expression for
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SAE Technical Paper Series, 1974
<div class="htmlview paragraph">The effects of single and multiple tensile overloads on precracked center-notched sheet specimens of Ti-8 Al-1 Mo-1V titanium alloy were investigated under laboratory conditions. Single tensile overloads always delayed subsequent fatigue crack growth at lower stress levels. Multiple tensile overloads caused a delay
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<div class="htmlview paragraph">The effects of single and multiple tensile overloads on precracked center-notched sheet specimens of Ti-8 Al-1 Mo-1V titanium alloy were investigated under laboratory conditions. Single tensile overloads always delayed subsequent fatigue crack growth at lower stress levels. Multiple tensile overloads caused a delay
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Fatigue Crack Growth and Applications
2001The traditional approach for estimating the total life of a structural part, when it is subjected to a load varying environment, is to use the S-N diagram (alternating stress, S, versus the total number of cycles to failure, N). The S-N diagram for high cycle fatigue is constructed using the ASTM E-466 Standard.
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Toward developing Ti alloys with high fatigue crack growth resistance by additive manufacturing
Journal of Materials Science and Technology, 2023Guang-Ping Zhang +2 more
exaly
Part II of the Fatigue Crack Growth System: Fatigue Crack Growth Properties
2022Ji-Ho Song, Chung-Youb Kim
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2009
Abstract Understanding fatigue crack growth is critical for the safe operation of many structural components. This article reviews the standard fracture mechanics and methods to determine the crack growth rate for a material and loading condition experimentally.
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Abstract Understanding fatigue crack growth is critical for the safe operation of many structural components. This article reviews the standard fracture mechanics and methods to determine the crack growth rate for a material and loading condition experimentally.
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Role of δ-ferrite in fatigue crack growth of AISI 316 austenitic stainless steel
Journal of Materials Science and Technology, 2022Shenghu Chen +2 more
exaly