{"id":"W4407931481","doi":"10.1007/s00170-025-15281-9","title":"The sustainability of recycled polylactic acid via fused filament fabrication: environmental impacts across cycles","year":2025,"lang":"en","type":"article","venue":"The International Journal of Advanced Manufacturing Technology","topic":"Additive Manufacturing and 3D Printing Technologies","field":"Engineering","cited_by":7,"is_retracted":false,"has_abstract":false,"ca_institutions":"Polytechnique Montréal","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Polylactic acid; Sustainability; Fused filament fabrication; Fabrication; Protein filament; Industrial and production engineering; Materials science; Environmental impact assessment; Engineering; Waste management; Environmental science; Manufacturing engineering; Composite material; Mechanical engineering; 3D printing; Polymer; Ecology","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0003693261,0.0001864714,0.0002369074,0.0002270554,0.0001801847,0.00004112678,0.00151792,0.0001220791,0.00001075099],"category_scores_gemma":[0.0004208364,0.0001218837,0.0001238375,0.0001109899,0.0004568385,0.0001399151,0.000405858,0.0005120515,0.00000177437],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005246867,"about_ca_system_score_gemma":0.00003443275,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000006460521,"about_ca_topic_score_gemma":0.000007783382,"domain_scores_codex":[0.9986975,0.00002918815,0.0005657286,0.0001428633,0.0002747206,0.0002899911],"domain_scores_gemma":[0.9986456,0.0003409802,0.0003909348,0.0004652394,0.0001335086,0.00002373815],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0003124101,0.0001011582,0.0007813793,0.00004796185,0.0007626049,0.00002460918,0.0002605279,0.01347821,0.06465624,0.002160931,0.0004305297,0.9169834],"study_design_scores_gemma":[0.0004087099,0.00005553603,0.008218437,0.00005563672,0.00001940701,0.00004867027,0.001438254,0.0002270401,0.9096501,0.07527982,0.004499265,0.00009910959],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.969129,0.001027841,0.02205406,0.006561724,0.0007697195,0.0001356034,0.00001123183,0.0002189891,0.00009187435],"genre_scores_gemma":[0.998121,0.0008607315,0.000847579,0.0000362897,0.00004725262,0.00001448393,0.000001755243,0.00001546091,0.00005548714],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9168843,"threshold_uncertainty_score":0.4970272,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004503057755689851,"score_gpt":0.2531151922728252,"score_spread":0.2486121345171353,"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."}}