{"public_id":"cl_d03fac84c9e87b4eeac35c96126ba112","status":"active","superseded_by_public_id":null,"corpus_id":93999334,"text":"In oxygen-containing solutions, the air-formed film on aluminium breaks down and a small corrosion current begins to flow; without chlorides and similar ions, film repair can compete with film breakdown, but in chloride-containing solutions film repair does not occur and corrosion proceeds rapidly once initiated.","confidence":0.96,"paper":{"corpus_id":93999334,"title":"Corrosion of Aluminium","url":"https://sah.borca.ai/papers/93999334"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.96,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_46a8f14ec039aee4db2a3aa0a6dc2c25","name":"air-formed film","description":"A surface oxide film naturally formed on aluminium in air before immersion.","types":["surface film"],"url":"https://sah.borca.ai/concepts/co_46a8f14ec039aee4db2a3aa0a6dc2c25"},{"public_id":"co_57485ee0408590437cfa07e095104718","name":"film repair","description":"Restoration of the protective surface film after breakdown in solution.","types":["process"],"url":"https://sah.borca.ai/concepts/co_57485ee0408590437cfa07e095104718"},{"public_id":"co_c33cd7ddc5f07fe56c5b13c992ce6bc7","name":"chloride ions","description":"Chloride anions present in solution that affect oxide film behavior and corrosion.","types":["chemical species"],"url":"https://sah.borca.ai/concepts/co_c33cd7ddc5f07fe56c5b13c992ce6bc7"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_d03fac84c9e87b4eeac35c96126ba112"}