DOE OSTI · 2584612
K-3 Refractory Corrosion Test Results, HAL24M2
Abstract
This report summarizes the refractory corrosion data of the high-Al matrix of Direct Feed High-Level Waste (DFHLW) glasses generated to expand glass compositional ranges. Design of a 20 high-Al glass matrix, HAL24M2, was reported in Russell et al. (2025, in progress). The HAL24M2 glasses were tested for K-3 corrosion and the results are presented in this report. Corrosion of Monofrax K-3 refractory materials in the HAL24M2 glass melts was measured using a crucible-scale method. Two test conditions, 1150 °C/7days and 1200 °C/7days were applied. The melt-line neck corrosion depth of the test coupons was measured by micro-computed tomography (micro-CT). The measured K-3 neck corrosion values were compared to predicted values using the model in Vienna et al. (2024). The model slightly over-predicted the neck corrosion depth of these glasses.
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Jin, Tongan [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)] (ORCID:0000000222165311), Le, Long Q. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)], Canfield, Nathan L. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)], Bryce, Keith C. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)] (ORCID:0000000305110172), Nienhuis-Marcial, Emily T. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)], Lu, Xiaonan [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)] (ORCID:0000000179708148), Vienna, John D. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)]. 2025-07-23. K-3 Refractory Corrosion Test Results, HAL24M2. https://doi.org/10.2172/2584612
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