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Note: Double-beveled multilayer stagger-split die for a large volume high-pressure apparatus.

Bolong Wang¹, Mingzhe Li¹, Yunfei Yang¹

¹Dieless Forming Technology Center, Jilin University, Changchun 130025, China.

The Review of Scientific Instruments

|September 3, 2015

Summary

A novel double-beveled multilayer stagger-split die was analyzed for high-pressure applications. Finite-element analysis and experiments confirmed its superior bearing capacity, exceeding 7.3 GPa.

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Area of Science:

Mechanical Engineering
Materials Science

Background:

High-pressure devices are crucial for various scientific and industrial applications.
Existing multilayer stagger-split dies and belt type dies have limitations in pressure capacity.

Purpose of the Study:

To investigate the pressure capacity of a newly designed double-beveled multilayer stagger-split die.
To compare its performance against existing high-pressure die designs.

Main Methods:

Finite-element analysis (FEA) was employed to simulate the die's pressure capacity under different failure criteria.
Comparative experiments were conducted to validate the simulation results.

Main Results:

The double-beveled multilayer stagger-split die demonstrated a bearing capacity exceeding 7.3 GPa.
Experimental results indicated that the actual pressure capacity was higher than predicted by simulations.
The novel die design outperformed conventional multilayer stagger-split and belt type dies.

Conclusions:

The double-beveled multilayer stagger-split die offers enhanced pressure capacity for high-pressure applications.
FEA is a reliable tool for predicting the performance of such devices, with experimental validation confirming superior real-world performance.