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The article research on intelligent grab dredger. Work force mechanical model of steel wire is established during dredging Grab's flat digging working. Then, the theoretical calculation on stress of the steel wire is available. It's easy to get the result of dredging Grab's steel wire. Meanwhile, a way is put forward about changing the rotating shaft torque to the force of steel wire, which is based...
The microstructural evolution of 300M steel during the isothermal treatment between deformations is studied. Firstly, interrupt compressions of 300M steel at temperature of 1273K and strain rate of 0.01s-1 are conducted to figure out the kinetics of static recrystallization (SRX) and meta-dynamic recrystallization (MDRX), subsequently an in situ heat treatment experiment is designed to measure the...
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