{"id":"S97007580","label":"Mechanical alloying","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh97007580","normalized_label":"mechanical alloying","broader":["http://id.loc.gov/authorities/subjects/sh85082752","http://id.loc.gov/authorities/subjects/sh85084158","http://id.loc.gov/authorities/subjects/sh85086323"],"aliases":["High energy milling","Mechanical milling","Milling, High energy","Milling, Mechanical"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh97007580","provider":"lcsh","revision":"69964400ec65e2b2","taxonomy_revision":"f050b5d4780b1289","title":"Mechanical alloying","url":"/topics/S97007580","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"632755748786816614","address_version":"morton4x16-v1","coordinates":[0,23,8415,28672],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}