2022年3月8日 · While other degradation factors may impact RPV integrity, this paper focuses on time-dependent degradation of RPV material properties due to neutron radiation. This neutron damage, i.e., embrittlement, increases the ductile-to-brittle transition temperature and thus reduces the fracture toughness of the RPV material.

A reactor pressure vessel (RPV) in a nuclear power plant is the pressure vessel containing the nuclear reactor coolant, core shroud, and the reactor core.

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2021年6月15日 · The ultrahigh density of Mn-Ni-Si-Cu precipitates that form in irradiated reactor pressure vessels (RPV) result in hardening and embrittlement, which may limit the service life of aging nuclear reactors. Here, we quantitatively analyze solute segregation to, and precipitation on, network dislocations in irradiated low alloy RPV steels.

2018年9月10日 · Last month, VTTI’s ATPC terminal welcomed the arrival of two new Refrigerated Pressure Vessels (RPVs) at the Port of Antwerp. The prizewinning land-based tanks will be used for the importing, storing and distribution of liquefied petroleum gas (LPG).

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identify which RPV support designs in the PWR fleet are limiting based on loading conditions, radiation embrittlement, materials, and other factors Phase 2: EPRI-MRP is developing screening parameters based on detailed fracture mechanics analyses to simplify the justification of ongoing RPV support structural stability for the Pressurized

2022年9月19日 · 😸为了充分 利用不同视图在细粒度分割任务中的优势并缓解各自的不足，论文提出了一种新的 range-point-voxel 融合网络，即 RPVNet。 该网络设计了一个 三视图之间多信息交互的深度融合框架，并提出了一个可根据 并发 输入自适应地融合三视图特征的 门控融合模块 (gated fusion module [GFM])。 此外，提出的 RPV 相互作用机制是 高效的，且论文作者将其总结为一个 更一般的公式 （general formulation）。 通过利用这种 有效的交互和相对较低的体素分辨 …

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