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The traditional metal plate bending process is difficult to meet the requirements of modern shipbuilding industry, and this paper adopts a new incremental bending process for manufacturing metal plate based on minimum energy principle and dieless forming. This process uses a set of punches and a series of highly adjustable and head rotatable supports to complete the punching process by changing the...
Counterfeiting integrated circuits (ICs), especially recycled ICs, have become a major security threat for commercial and military systems. This paper proposes a new lightweight on-chip aging sensor, which is based on electromigration-induced aging effects for fast detection and prevention of recycled ICs. Compared to other existing aging sensors, the proposed sensor can provide more accurate prediction...
The dynamic crushing and energy absorption of regular and functionally graded cellular metal is investigated using finite element method. The cellular metal consists of hollow cubic structure which is manufactured by way of stamping. The functionally graded cellular structure is designed by changing the side length of hollow cubic structure. Dynamic crushing simulation of both regular and functionally...
The counterfeiting and recycled integrated circuits (ICs) has become a major security threat for commercial and military systems. In addition to the huge economic impacts, they post significant security and safety threats on those systems. In this paper, we propose a new lightweight on-chip aging sensor, which is based on the electromigration (EM)-induced aging effects for fast detection and prevention...
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