A review of lithium application for the plasma-facing material in EAST Tokamak

Hu, Jiansheng; Li, L.; Zuo, Guizhong; Sun, Zhuo; Xu, Wenhai; Meng, X.C.; Li, C. L.; Tang, Zhu; Sun, Jia

doi:10.1007/s41614-023-00114-7

Cited by 5 publications

(2 citation statements)

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“…Thus, it is necessary to correct the volumetric energy density of PW. The laser's volumetric energy density can be calculated using Equation (1) for CW mode and Equation (2) for PW mode.…”

Section: Sample Printing Processmentioning

confidence: 99%

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Microhardness and Tensile Strength Analysis of SS316L/CuCrZr Interface by Laser Powder Bed Fusion

Jin,

Hoo,

Jin

et al. 2024

Materials

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Metallic joints within tokamak devices necessitate high interface hardness and superior bonding properties. However, conventional manufacturing techniques, specifically the hot isostatic pressing (HIP) diffusion joining process, encounter challenges, including the degradation of the SS316L/CuCrZr interface and CuCrZr hardness. To address this, we explore the potential of laser powder bed fusion (LPBF) technology. To assess its viability, we fabricated 54 SS316L/CuCrZr samples and systematically investigated the impact of varied process parameters on the microhardness and tensile strength of the dissimilar metal interfaces. Through comprehensive analysis, integrating scanning electron microscopy (SEM) imagery, we elucidated the mechanisms underlying mechanical property alterations. Notably, within a laser volumetric energy density range of 60 J/mm3 to 90 J/mm3, we achieved elevated interface hardness (around 150 HV) and commendable bonding quality. Comparative analysis against traditional methods revealed a substantial enhancement of 30% to 40% in interface hardness with additive manufacturing, effectively mitigating CuCrZr hardness degradation.

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“…Thus, it is necessary to correct the volumetric energy density of PW. The laser's volumetric energy density can be calculated using Equation (1) for CW mode and Equation (2) for PW mode.…”

Section: Sample Printing Processmentioning

confidence: 99%

“…The tokamak device [ Figure 1 a,b] is a toroidal vessel based on the magnetic confinement principle, which is employed to realize controlled nuclear fusion [ 1 ]. The vacuum radiation shielding structure is of high research value as the core component of heat insulation and radiation protection.…”

Section: Introductionmentioning

confidence: 99%