{"paper":{"title":"Comparative qualification of advanced plasma-facing materials for fusion pilot plants through public- and private-sector experiments in DIII-D","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.plasm-ph","authors_text":"Aaliyah Zuniga, Amoolya Grandhi, Andrew Shone, Angelica Ottaviano, Anthony W. Leonard, Arunodaya Bhattacharya, Cedric Tsui, Charlie Hirst, Charlie Lasnier, Daniel Velazquez, David Sprouster, Dinh Truong, Dmitry Rudakov, Dylan A. Kohler, Eric Hollmann, Erick Martinez-Loran, Florian Effenberg, Florian M. Laggner, Giacomo Dose, Gilson Ronchi, Jason Trelewicz, Jayson Barr, Jerome Guterl, Jonathan D. Coburn, Jose Boedo, Jun Ren, Kent Christian, Lance L. Snead, Lauren Nuckols, Luca Cappelli, Mike Jackson, Mykola Ialovega, Ria Meston, Roberto Maurizio, Rob Kolasinski, Ryan Hood, Samara Levine, Sergey Tsurkan, Shawn Zamperini, Simon D. Corah, Tessa Van Volkenburg, Tyler Abrams, Vincent Mazon, Weicheng Zhong, Xavier Navarro, Yan-Ru Lin, Zana Popovic","submitted_at":"2026-07-26T00:37:18Z","abstract_excerpt":"A coordinated DIII-D campaign exposed and comparatively assessed 44 advanced plasma-facing materials from 12 institutions, including four public-private fusion partnerships, to support fusion pilot plant wall and divertor material down-selection. Samples were exposed using the Divertor Materials Evaluation System (DiMES) under Ohmic, L-mode, and H-mode conditions with edge-localized modes, at 0.2-2.5 MW m$^{-2}$ on flush geometries and 10-15 MW m$^{-2}$ on 10$^{\\circ}$ angled geometries. Engineered tungsten architectures retained integrity; long-fiber Wf/W showed the clearest crack-arrest beha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.23400","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.23400/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}