{"id":"W7117254329","doi":"10.2139/ssrn.5964597","title":"Circular Additive Circular Additive Manufacturing of Recycled PEKK–Regolith Composites for Sacrificial Structures in Lunar In-Situ Resource Utilization","year":2025,"lang":"","type":"preprint","venue":"SSRN Electronic Journal","topic":"Additive Manufacturing and 3D Printing Technologies","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Concordia University","funders":"","keywords":"Extrusion; Regolith; Composite number; Flexural strength; Ultimate tensile strength; Amorphous solid; Material efficiency; Porosity","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001682254,0.0003065106,0.0001897375,0.0003804885,0.0002201057,0.0005184732,0.0002495135,0.0003582991,0.002250202],"category_scores_gemma":[0.0001768556,0.0001704949,0.0002889107,0.0003531747,0.0002344948,0.0003597804,0.000303132,0.0004850448,0.0007262709],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001725821,"about_ca_system_score_gemma":0.0001604971,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002031769,"about_ca_topic_score_gemma":0.0009644746,"domain_scores_codex":[0.999864,0.000009439505,0.000006907072,0.00003262543,0.00004924119,0.00003773617],"domain_scores_gemma":[0.9998932,0.00001916006,0.00002244362,0.00003332501,0.00002025846,0.0000116986],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00008899618,0.00002093348,0.000153693,0.0001524936,0.000008963189,0.000132693,0.00007558383,0.001438295,0.9878621,0.0008167867,0.0001770849,0.009072335],"study_design_scores_gemma":[0.000002131869,0.00008612152,0.0006952197,0.000006265004,0.00001194704,0.000109865,0.00003016954,0.001344651,0.9941716,0.00008866545,0.003446624,0.00000667717],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9656551,0.001563597,0.01920551,0.0000510316,0.0001087421,0.00002487307,0.0002120895,0.000306189,0.01287286],"genre_scores_gemma":[0.9855828,0.000357559,0.009540122,0.00002028255,0.000006741982,0.0000125894,0.00009376134,0.0000598041,0.004326301],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002250202,"threshold_uncertainty_score":0.007527649,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01491106325028935,"score_gpt":0.2509399646643235,"score_spread":0.2360289014140342,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}