Sintering behavior of Al–AlN-nanostructured composite powder synthesized by high-energy ball milling
High strength Al–AlN composites were synthesized via high-energy milling and sintering technique. Al– X wt.% AlN ( X = 0, 2.5, 5 and 10) composite powders were milled in a planetary ball mill for 25 h. Morphology, particle size distribution, crystallite size, micro-strain, and microhardness of mille...
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| Veröffentlicht in: | Journal of alloys and compounds 2009-04, Vol.473 (1), p.116-122 |
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| container_title | Journal of alloys and compounds |
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| creator | Abdoli, Hamid Asgharzadeh, Hamed Salahi, Esmail |
| description | High strength Al–AlN composites were synthesized via high-energy milling and sintering technique. Al–
X
wt.% AlN (
X
=
0, 2.5, 5 and 10) composite powders were milled in a planetary ball mill for 25
h. Morphology, particle size distribution, crystallite size, micro-strain, and microhardness of milled powders were studied. Ball-milled powders were degassed at 400
°C for 30
min. After uniaxial cold compaction, composite compacts were sintered at 650
°C for 20, 30 and 60
min under N
2 atmosphere. Effects of reinforcement content, degassing treatment and sintering time on the sinterability of powders were investigated. The results revealed that the sinterability was degraded by increasing the reinforcement content, particularly above 5
wt.% AlN. Nevertheless, the sinterability of compacts was improved by degassing treatment. Near full density (>99% of theoretical density) compacts were produced by consolidation of degassed powders reinforced with AlN particles up to 5
wt.%. Additionally, rate of densification was reduced at higher reinforcement content. |
| doi_str_mv | 10.1016/j.jallcom.2008.05.069 |
| format | Article |
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X
wt.% AlN (
X
=
0, 2.5, 5 and 10) composite powders were milled in a planetary ball mill for 25
h. Morphology, particle size distribution, crystallite size, micro-strain, and microhardness of milled powders were studied. Ball-milled powders were degassed at 400
°C for 30
min. After uniaxial cold compaction, composite compacts were sintered at 650
°C for 20, 30 and 60
min under N
2 atmosphere. Effects of reinforcement content, degassing treatment and sintering time on the sinterability of powders were investigated. The results revealed that the sinterability was degraded by increasing the reinforcement content, particularly above 5
wt.% AlN. Nevertheless, the sinterability of compacts was improved by degassing treatment. Near full density (>99% of theoretical density) compacts were produced by consolidation of degassed powders reinforced with AlN particles up to 5
wt.%. Additionally, rate of densification was reduced at higher reinforcement content.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2008.05.069</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Applied sciences ; Dispersion hardening metals ; Exact sciences and technology ; Mechanical alloying ; Metal matrix composites ; Metals. Metallurgy ; Nanostructured materials ; Powder metallurgy ; Powder metallurgy. Composite materials ; Production techniques ; Sintering</subject><ispartof>Journal of alloys and compounds, 2009-04, Vol.473 (1), p.116-122</ispartof><rights>2008 Elsevier B.V.</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-e917c92235867b427ecc2877bf60b212eed817ee572f0ff3cd8d2126a5a5a8933</citedby><cites>FETCH-LOGICAL-c436t-e917c92235867b427ecc2877bf60b212eed817ee572f0ff3cd8d2126a5a5a8933</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0925838808008670$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21336896$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Abdoli, Hamid</creatorcontrib><creatorcontrib>Asgharzadeh, Hamed</creatorcontrib><creatorcontrib>Salahi, Esmail</creatorcontrib><title>Sintering behavior of Al–AlN-nanostructured composite powder synthesized by high-energy ball milling</title><title>Journal of alloys and compounds</title><description>High strength Al–AlN composites were synthesized via high-energy milling and sintering technique. Al–
X
wt.% AlN (
X
=
0, 2.5, 5 and 10) composite powders were milled in a planetary ball mill for 25
h. Morphology, particle size distribution, crystallite size, micro-strain, and microhardness of milled powders were studied. Ball-milled powders were degassed at 400
°C for 30
min. After uniaxial cold compaction, composite compacts were sintered at 650
°C for 20, 30 and 60
min under N
2 atmosphere. Effects of reinforcement content, degassing treatment and sintering time on the sinterability of powders were investigated. The results revealed that the sinterability was degraded by increasing the reinforcement content, particularly above 5
wt.% AlN. Nevertheless, the sinterability of compacts was improved by degassing treatment. Near full density (>99% of theoretical density) compacts were produced by consolidation of degassed powders reinforced with AlN particles up to 5
wt.%. Additionally, rate of densification was reduced at higher reinforcement content.</description><subject>Applied sciences</subject><subject>Dispersion hardening metals</subject><subject>Exact sciences and technology</subject><subject>Mechanical alloying</subject><subject>Metal matrix composites</subject><subject>Metals. Metallurgy</subject><subject>Nanostructured materials</subject><subject>Powder metallurgy</subject><subject>Powder metallurgy. Composite materials</subject><subject>Production techniques</subject><subject>Sintering</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFUM1OGzEQtqoiNQUeAckXuO3WP1nbe0IRKhQJtYe2Z8vrHSeOHDvYG1B64h14Q56kRol6reYw0sz3M_MhdEFJSwkVX9bt2oRg06ZlhKiWdC0R_Qc0o0ryZi5E_xHNSM-6RnGlPqHPpawJIbTndIbcTx8nyD4u8QAr8-RTxsnhRXh7eV2E7000MZUp7-y0yzDiarJNxU-At-l5hIzLPk4rKP5PXQ57vPLLVQMR8nKPh3oU3vgQqvgZOnEmFDg_9lP0-_brr5tvzcOPu_ubxUNj51xMDfRU2p4x3ikhhzmTYC1TUg5OkIFRBjAqKgE6yRxxjttRjXUsTFdL9ZyfoquD7janxx2USW98sRCCiZB2RXOupOrmtAK7A9DmVEoGp7fZb0zea0r0e6p6rY-p6vdUNel0TbXyLo8GplgTXDbR-vKPzCjnQvWi4q4POKjfPnnIulgP0cLoM9hJj8n_x-kvVHuTGQ</recordid><startdate>20090403</startdate><enddate>20090403</enddate><creator>Abdoli, Hamid</creator><creator>Asgharzadeh, Hamed</creator><creator>Salahi, Esmail</creator><general>Elsevier B.V</general><general>Elsevier</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>20090403</creationdate><title>Sintering behavior of Al–AlN-nanostructured composite powder synthesized by high-energy ball milling</title><author>Abdoli, Hamid ; Asgharzadeh, Hamed ; Salahi, Esmail</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-e917c92235867b427ecc2877bf60b212eed817ee572f0ff3cd8d2126a5a5a8933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Dispersion hardening metals</topic><topic>Exact sciences and technology</topic><topic>Mechanical alloying</topic><topic>Metal matrix composites</topic><topic>Metals. Metallurgy</topic><topic>Nanostructured materials</topic><topic>Powder metallurgy</topic><topic>Powder metallurgy. Composite materials</topic><topic>Production techniques</topic><topic>Sintering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abdoli, Hamid</creatorcontrib><creatorcontrib>Asgharzadeh, Hamed</creatorcontrib><creatorcontrib>Salahi, Esmail</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abdoli, Hamid</au><au>Asgharzadeh, Hamed</au><au>Salahi, Esmail</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sintering behavior of Al–AlN-nanostructured composite powder synthesized by high-energy ball milling</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2009-04-03</date><risdate>2009</risdate><volume>473</volume><issue>1</issue><spage>116</spage><epage>122</epage><pages>116-122</pages><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>High strength Al–AlN composites were synthesized via high-energy milling and sintering technique. Al–
X
wt.% AlN (
X
=
0, 2.5, 5 and 10) composite powders were milled in a planetary ball mill for 25
h. Morphology, particle size distribution, crystallite size, micro-strain, and microhardness of milled powders were studied. Ball-milled powders were degassed at 400
°C for 30
min. After uniaxial cold compaction, composite compacts were sintered at 650
°C for 20, 30 and 60
min under N
2 atmosphere. Effects of reinforcement content, degassing treatment and sintering time on the sinterability of powders were investigated. The results revealed that the sinterability was degraded by increasing the reinforcement content, particularly above 5
wt.% AlN. Nevertheless, the sinterability of compacts was improved by degassing treatment. Near full density (>99% of theoretical density) compacts were produced by consolidation of degassed powders reinforced with AlN particles up to 5
wt.%. Additionally, rate of densification was reduced at higher reinforcement content.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2008.05.069</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0925-8388 |
| ispartof | Journal of alloys and compounds, 2009-04, Vol.473 (1), p.116-122 |
| issn | 0925-8388 1873-4669 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_33878541 |
| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Dispersion hardening metals Exact sciences and technology Mechanical alloying Metal matrix composites Metals. Metallurgy Nanostructured materials Powder metallurgy Powder metallurgy. Composite materials Production techniques Sintering |
| title | Sintering behavior of Al–AlN-nanostructured composite powder synthesized by high-energy ball milling |
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