{"id":"W2041824673","doi":"10.1016/j.engfracmech.2003.12.007","title":"Characterizing dynamic fracture toughness of linepipe steels using the pressed-notch drop-weight-tear test specimen","year":2004,"lang":"en","type":"article","venue":"Engineering Fracture Mechanics","topic":"Fatigue and fracture mechanics","field":"Engineering","cited_by":23,"is_retracted":false,"has_abstract":false,"ca_institutions":"TransCanada (Canada)","funders":"","keywords":"Materials science; Drop (telecommunication); Fracture toughness; Fracture mechanics; Displacement (psychology); Drop test; Toughness; Pipeline transport; Crack growth resistance curve; Composite material; Structural engineering; Mechanics; Engineering; Crack closure; Mechanical engineering; Physics","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":[0.0002421026,0.0002644896,0.0002296691,0.0007200965,0.0004593705,0.0002258824,0.0007540054,0.0006317596,0.00349258],"category_scores_gemma":[0.0006781633,0.0002872882,0.0002166812,0.0003015308,0.0004139024,0.0003987587,0.0003001561,0.0004007627,0.0004302184],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002952447,"about_ca_system_score_gemma":0.0002227256,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004949864,"about_ca_topic_score_gemma":0.01484191,"domain_scores_codex":[0.9998038,0.000006786136,0.00001002819,0.00004165981,0.0001055531,0.00003212287],"domain_scores_gemma":[0.9994116,0.0001264642,0.00006214109,0.00006403135,0.0002593577,0.00007638092],"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":[0.0001432804,0.00003830125,0.003021132,0.00001895319,0.000005145502,0.0001078402,0.0000649982,0.0004954332,0.993279,0.00003867218,0.00005533651,0.002731929],"study_design_scores_gemma":[0.00002719973,0.0009266297,0.08999796,0.000007642971,0.00001648086,0.0004847882,0.0003663475,0.01228777,0.8950709,0.00007512049,0.0007110003,0.00002824645],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9965799,0.00003536585,0.002632138,0.00001179118,0.000005098268,0.00001500249,0.0002004185,0.0000433516,0.0004768811],"genre_scores_gemma":[0.9967334,0.00002618439,0.00187925,0.00001683993,0.000002027351,0.00001023951,0.0002391848,0.00001809931,0.001074728],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004949864,"threshold_uncertainty_score":0.01168388,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006393491631470891,"score_gpt":0.2002421168077912,"score_spread":0.1938486251763203,"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."}}