科研之友
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摘要
A high-pressure device with a large cavity was investigated using finite-element analysis. This device is called a double-beveled multilayer stagger-split die, and consists of two supported rings and a multilayer divided body assemblage. Each divided cylinder body has two bevels in the pressurized surface. We simulated the pressure capacity of this device according to different failure criteria. The results were compared with those of a multilayer stagger-split die and belt type die. The bearing capacity of the double-beveled multilayer stagger-split die was more than 7.3 GPa. A group of comparative experiments were conducted to validate the simulated results, and the experimental results show the actual pressure capacity was higher than the simulation.
