نتایج جستجو برای: crack closure
تعداد نتایج: 77677 فیلتر نتایج به سال:
Understanding of crack growth behaviour is necessary to predict accurate fatigue lives. Out-of-phase thermomechanical propagation tests were performed on FB2 steel used in high-temperature steam turbine sections. Testing results showed closure where the compressive part cycle affected rate. Crack closing stress was observed be different, and had more influence rate, than opening stress. rate la...
In pipelines for transporting oil and gas, multiple cracks often exist in weld joints. The interaction among the should be considered as it directly affects life span of pipeline structures. current investigation, based on fluid–solid magnetic coupling model, virtual crack-closure technique (VCCT) is applied to systematically study multi-crack dynamic effect welds during crack propagation proce...
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