{"id":"W4414376957","doi":"10.1002/admt.202500947","title":"Additive Manufacturing of Negative Thermal Expansion Metamaterials Using Steels","year":2025,"lang":"en","type":"article","venue":"Advanced Materials Technologies","topic":"Cellular and Composite Structures","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University","funders":"","keywords":"Thermal expansion; Negative thermal expansion; Metamaterial; Auxetics; Microstructure; Ultimate tensile strength; Lattice constant; Thermal; Design for manufacturability","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00006056429,0.0002186417,0.0004233007,0.0001925556,0.00005868186,0.0000313309,0.0002416547,0.0001437133,0.00007047813],"category_scores_gemma":[0.00003573793,0.0001912076,0.00004878193,0.0001219113,0.0001107703,0.0001807402,0.0001565032,0.00007014082,0.000002159856],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004438225,"about_ca_system_score_gemma":0.00001016064,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001217545,"about_ca_topic_score_gemma":0.000001230971,"domain_scores_codex":[0.9991286,0.00002420614,0.0003399972,0.0001922555,0.00008585056,0.0002290498],"domain_scores_gemma":[0.9994987,0.00005580006,0.00008689611,0.0003158647,0.00003326781,0.00000947517],"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":[0.00004086005,0.000004952048,0.000002849519,0.0001169229,0.0000706779,0.00000376338,0.0000473845,0.006410316,0.9764421,0.0005091281,0.000008635625,0.01634238],"study_design_scores_gemma":[0.000253353,0.0000204807,0.0002937192,0.0001371319,0.00003423264,0.000002180994,0.0004533718,0.00004233673,0.9920286,0.006405262,0.0001592933,0.0001700361],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9945794,0.0004534447,0.002260957,0.00001027135,0.000676919,0.0002632339,0.0001056843,0.001104368,0.0005457147],"genre_scores_gemma":[0.9918718,0.0001662854,0.007859846,0.000005306158,0.00001365776,0.00002989677,0.00001345435,0.00002242844,0.00001729045],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01617235,"threshold_uncertainty_score":0.779722,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005579944136445597,"score_gpt":0.2236809041755336,"score_spread":0.218100960039088,"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."}}