{"id":"W2088857920","doi":"10.1115/ipc2004-0449","title":"Environmental Effect of Crack Growth Rate of Pipeline Steel in Near-Neutral pH Soil Environments","year":2004,"lang":"en","type":"article","venue":"2004 International Pipeline Conference, Volumes 1, 2, and 3","topic":"Fatigue and fracture mechanics","field":"Engineering","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"TransCanada (Canada); University of Alberta","funders":"","keywords":"Crack closure; Growth rate; Materials science; Creep; Crack growth resistance curve; Corrosion; Crack tip opening displacement; Composite material; Tension (geology); Stress concentration; Metallurgy; Fracture mechanics; Compression (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":[0.0001378371,0.0002603507,0.0001961881,0.0001745643,0.0001479308,0.0002840518,0.0001646227,0.0002277183,0.0008401378],"category_scores_gemma":[0.0004255329,0.0001609204,0.0001358723,0.000141367,0.0002146228,0.0002245925,0.0002148632,0.000313676,0.0001310011],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001659758,"about_ca_system_score_gemma":0.0001509489,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001354887,"about_ca_topic_score_gemma":0.002863999,"domain_scores_codex":[0.9997649,0.00002549814,0.00001601508,0.0000779799,0.00007680858,0.00003891482],"domain_scores_gemma":[0.999561,0.00009561099,0.0001127936,0.00002728116,0.0001470989,0.00005622224],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0001641923,0.00001893175,0.003183166,0.00004537858,0.000006165836,0.00006691793,0.00005143768,0.0002582605,0.9948822,0.00001263968,0.00001945403,0.001291302],"study_design_scores_gemma":[0.000007287249,0.0008533758,0.03675688,0.000007327878,0.00001367233,0.0001155506,0.0002505597,0.001151104,0.9602916,0.00002999866,0.0005075181,0.00001521703],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9988219,0.00007730989,0.0004615493,0.00001306127,0.00000336501,0.00001011696,0.0002365204,0.00001621623,0.0003599699],"genre_scores_gemma":[0.9983298,0.0001171681,0.0007683893,0.00001653574,0.000001532476,0.00001455147,0.0002084815,0.00001151009,0.0005320508],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001354887,"threshold_uncertainty_score":0.002810478,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005311348558729208,"score_gpt":0.1974250879605458,"score_spread":0.1921137394018166,"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."}}