Milling and Hot Consolidation of Al-Fe-Nb Alloy
We present in this work the preparation of partially amorphous Al90Fe7Nb3 alloy powders by mechanical alloying using high-purity elemental metals as starting materials and their consolidation by hot-extrusion. Milling for 60 h resulted in a powder alloy microstructure composed mostly of nanocrystall...
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| Veröffentlicht in: | Materials science forum 2003-01, Vol.416-418, p.287-292 |
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| creator | Botta Filho, Walter José Yavari, Alain Reza Rodrigues, C.A.D. Kiminami, Claudio Shyinti |
| description | We present in this work the preparation of partially amorphous Al90Fe7Nb3 alloy powders by mechanical alloying using high-purity elemental metals as starting materials and their consolidation by hot-extrusion. Milling for 60 h resulted in a powder alloy microstructure composed mostly of nanocrystalline Al and amorphous phase. Heat treatment of such powder resulted in the formation of Al and also the equilibrium intermetallic Al3Nb and Al13Fe4 phases. The alloy powders have been hot extruded at 480DGC and the microstructure of the consolidated alloy was composed of the three equilibrium phases, Al, Al3Nb and Al13Fe4 The microstructure, which was formed by very fine and also sub-micrometric crystals resulted in yield stress values in compression tests at room temperature near 740 MPa, associated with elongation of about 10%. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.416-418.287 |
| format | Article |
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Milling for 60 h resulted in a powder alloy microstructure composed mostly of nanocrystalline Al and amorphous phase. Heat treatment of such powder resulted in the formation of Al and also the equilibrium intermetallic Al3Nb and Al13Fe4 phases. The alloy powders have been hot extruded at 480DGC and the microstructure of the consolidated alloy was composed of the three equilibrium phases, Al, Al3Nb and Al13Fe4 The microstructure, which was formed by very fine and also sub-micrometric crystals resulted in yield stress values in compression tests at room temperature near 740 MPa, associated with elongation of about 10%.</description><identifier>ISSN: 0255-5476</identifier><identifier>ISSN: 1662-9752</identifier><identifier>ISBN: 0878499121</identifier><identifier>ISBN: 9780878499120</identifier><identifier>EISSN: 1662-9752</identifier><identifier>DOI: 10.4028/www.scientific.net/MSF.416-418.287</identifier><identifier>CODEN: MSFOEP</identifier><language>eng</language><publisher>Aedermannsdorf: Trans Tech Publications Ltd</publisher><subject>Applied sciences ; Exact sciences and technology ; Metal powders ; Metals. Metallurgy ; Powder metallurgy. 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Composite materials</subject><subject>Production techniques</subject><issn>0255-5476</issn><issn>1662-9752</issn><issn>1662-9752</issn><isbn>0878499121</isbn><isbn>9780878499120</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqVkMtKAzEUhoMXsFbfYTa6EGaay-S2rNWqUHWhrkOaSTQlTepkSvHtjVRw7eJwzuLj_zkfAFcINi3EYrLb7ZpsvI2Dd9400Q6Tx5d50yJWt0g0WPADMEKM4Vpyig_BKRRctFIijI7ACGJKa9pydgJOc15BSJBAbAQmjz4EH98rHbvqPg3VLMWcgu_04FOskqumoZ7b-mlZjpC-zsCx0yHb8989Bm_z29fZfb14vnuYTRe1IVIOtYXYEUFatkS0ZcwaKKiREEvL-BJjBKVGlHLiJBJOdAgzLSWXlBDXma7ryBhc7nM3ffrc2jyotc_GhqCjTduscPlNUIkLeL0HTZ9y7q1Tm96vdf-lEFQ_4lQRp_7EqSJOFXGqiCsjVBFXQi5-23Q2OrheR-PzX1IrJOfkp-xmzw2FyIM1H2qVtn0sJv5T9w3woYlW</recordid><startdate>20030101</startdate><enddate>20030101</enddate><creator>Botta Filho, Walter José</creator><creator>Yavari, Alain Reza</creator><creator>Rodrigues, C.A.D.</creator><creator>Kiminami, Claudio Shyinti</creator><general>Trans Tech Publications Ltd</general><general>Trans Tech Publications</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20030101</creationdate><title>Milling and Hot Consolidation of Al-Fe-Nb Alloy</title><author>Botta Filho, Walter José ; Yavari, Alain Reza ; Rodrigues, C.A.D. ; Kiminami, Claudio Shyinti</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-e02f38346b15466ec085c9029e67b22109a15573f918f8d126a9979533fdcddd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Metal powders</topic><topic>Metals. 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| subjects | Applied sciences Exact sciences and technology Metal powders Metals. Metallurgy Powder metallurgy. Composite materials Production techniques |
| title | Milling and Hot Consolidation of Al-Fe-Nb Alloy |
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