Life prediction or residual life of structures or machines are one of the most strongly world loide needed problems as requirement in the stage of slowly developing economy which comes after rapidly and highly developing stage.
For the purpose of lif...
Life prediction or residual life of structures or machines are one of the most strongly world loide needed problems as requirement in the stage of slowly developing economy which comes after rapidly and highly developing stage.
For the purpose of life, Prediction fatigue test was conducted under a stress level, and for this stress level, 24 specim?ns are used.
The properties of the crack growth parameter m and c in the fatigue crack growth law of da/dN=C(△K)^(m), and the relation ship between m and C, and the distribution pattern of fatigue crack growth and failure lives can be obtained by experimental results.