{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T10:57:46Z","timestamp":1762081066848,"version":"build-2065373602"},"reference-count":44,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2012,7,9]],"date-time":"2012-07-09T00:00:00Z","timestamp":1341792000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Am. Ceram. Soc."],"published-print":{"date-parts":[[2012,10]]},"abstract":"\n This work studies reactive mechanisms involved in liquid\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n infiltration of green preforms containing tailored amounts of\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n and\n \n CuO<\/jats:roman>\n <\/jats:styled-content>\n . Infiltration reactions involving\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n and copper oxides are expected to produce\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n , as fine particulate reinforcements, and\n \n Cu<\/jats:roman>\n <\/jats:styled-content>\n , as\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n \u2010matrix strengthener. Preforms with 75\u00a0mol%\u2010\n \n CuO<\/jats:roman>\n <\/jats:styled-content>\n were infiltrated with\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n at 1000\u00b0C and 1100\u00b0C in air. Under low\n \n P<\/jats:styled-content>\n <\/jats:italic>\n O\n 2<\/jats:sub>\n , copper oxides are reduced to\n \n Cu<\/jats:roman>\n <\/jats:styled-content>\n , blocking the opportunity for reactive infiltration. Also, the\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n \u2010\n \n Cu<\/jats:roman>\n <\/jats:styled-content>\n \/\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n contact angle is insufficiently low to drive spontaneous infiltration. At 1000\u00b0C, infiltration is incipient, indicating that\n \n CuO<\/jats:roman>\n <\/jats:styled-content>\n reaction with\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n is not sufficiently vigorous to destabilize enveloping\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n . At 1100\u00b0C,\n \n CuO<\/jats:roman>\n <\/jats:styled-content>\n reduces to\n \n Cu<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n and infiltration is triggered, although the process is incomplete due to formation of a compact\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n layer which inhibits metal supply to the reaction front. At or behind the halted infiltration front consumption of starting\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n particles and formation of\n \n CuAlO<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n occur. The space among these phases is occupied by a\n \n Cu<\/jats:roman>\n <\/jats:styled-content>\n \u2010rich matrix, rendering an almost totally densified microstructure. This study shows that liquid\n \n Al<\/jats:roman>\n infiltration<\/jats:roman>\n <\/jats:styled-content>\n of\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n \/\n \n CuO<\/jats:roman>\n <\/jats:styled-content>\n greens is possible at 1100\u00b0C, in air, due to destabilization of the\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n 2<\/jats:sub>\n \n O<\/jats:roman>\n <\/jats:styled-content>\n 3<\/jats:sub>\n enveloping film and reactive infiltration, promoted by the redox reaction between\n \n Al<\/jats:roman>\n <\/jats:styled-content>\n and copper oxide.\n <\/jats:p>","DOI":"10.1111\/j.1551-2916.2012.05334.x","type":"journal-article","created":{"date-parts":[[2012,7,9]],"date-time":"2012-07-09T11:47:20Z","timestamp":1341834440000},"page":"3064-3070","source":"Crossref","is-referenced-by-count":2,"title":["Reaction Mechanisms in\n \n Al<\/scp>\n <\/scp>\n 2<\/sub>\n \n O<\/scp>\n <\/scp>\n 3<\/sub>\n \/\n \n CuO<\/scp>\n <\/scp>\n Infiltration by Liquid\n \n Al<\/scp>\n <\/scp>"],"prefix":"10.1111","volume":"95","author":[{"given":"M.","family":"Guedes","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering Escola Superior de Tecnologia de Set\u00fabal Polytechnic Institute of Set\u00fabal 2910\u2010761 Set\u00fabal Portugal"},{"name":"ICEMS Instituto Superior T\u00e9cnico TU Lisbon, Av. Rovisco Pais 1049\u2010001 Lisboa Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. M. F.","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Department of Ceramics and Glass Engineering University of Aveiro 3810\u2010193 Aveiro Portugal"},{"name":"CICECO University of Aveiro 3810\u2010193 Aveiro Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. C.","family":"Ferro","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Instituto Superior T\u00e9cnico TU Lisbon, Av. Rovisco Pais 1049\u2010001 Lisboa Portugal"},{"name":"ICEMS Instituto Superior T\u00e9cnico TU Lisbon, Av. 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