Effects of Raw Material Molar Ratio and Addition of Mg on Titanium Aluminide–Alumina Composite Formation Mechanism
In this study, the effects of molar ratio of the raw materials (TiO 2 and Al) and the addition of Mg on the titanium aluminide–alumina composite formation mechanism were investigated. To do this, in the first step, three molar ratios of 1.5 : 6.5, 1.5 : 3.5, and 3 : 5 of TiO 2 : Al, with no presence...
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| Veröffentlicht in: | Powder metallurgy and metal ceramics 2019-06, Vol.58 (1-2), p.104-112 |
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| creator | Khoshhal, Razieh Hosseinzadeh, Ali |
| description | In this study, the effects of molar ratio of the raw materials (TiO
2
and Al) and the addition of Mg on the titanium aluminide–alumina composite formation mechanism were investigated. To do this, in the first step, three molar ratios of 1.5 : 6.5, 1.5 : 3.5, and 3 : 5 of TiO
2
: Al, with no presence of Mg and, in the second step, the same molar ratios with 2 wt.% Mg were used. Differential thermal analysis was applied to determine the critical temperatures of each ratio. Based on DTA results, the heat treatment was performed. It is found that with increasing the aluminum content, the reactions accelerate due to merge of the sub-reactions, and subsequently this causes the transient phase number to decrease. In the second step of the experiments, Mg was added to the previously mentioned molar ratios of TiO and Al. Mg reduced the reaction temperatures and accelerated the reaction processes as a result of low melting point eutectic formation. |
| doi_str_mv | 10.1007/s11106-019-00053-4 |
| format | Article |
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2
and Al) and the addition of Mg on the titanium aluminide–alumina composite formation mechanism were investigated. To do this, in the first step, three molar ratios of 1.5 : 6.5, 1.5 : 3.5, and 3 : 5 of TiO
2
: Al, with no presence of Mg and, in the second step, the same molar ratios with 2 wt.% Mg were used. Differential thermal analysis was applied to determine the critical temperatures of each ratio. Based on DTA results, the heat treatment was performed. It is found that with increasing the aluminum content, the reactions accelerate due to merge of the sub-reactions, and subsequently this causes the transient phase number to decrease. In the second step of the experiments, Mg was added to the previously mentioned molar ratios of TiO and Al. Mg reduced the reaction temperatures and accelerated the reaction processes as a result of low melting point eutectic formation.</description><identifier>ISSN: 1068-1302</identifier><identifier>EISSN: 1573-9066</identifier><identifier>DOI: 10.1007/s11106-019-00053-4</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Aluminum oxide ; Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Composites ; Differential thermal analysis ; Glass ; Heat treatment ; Intermetallic compounds ; Magnesium ; Materials Science ; Melting points ; Metallic Materials ; Natural Materials ; Raw materials ; Structural Materials Research ; Titanium ; Titanium aluminides ; Titanium base alloys ; Titanium dioxide</subject><ispartof>Powder metallurgy and metal ceramics, 2019-06, Vol.58 (1-2), p.104-112</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2019</rights><rights>COPYRIGHT 2019 Springer</rights><rights>Copyright Springer Nature B.V. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c309t-d930e720190385697c1be0897eab09a4cc761ba9ce594ca60776e44073d690593</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11106-019-00053-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11106-019-00053-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Khoshhal, Razieh</creatorcontrib><creatorcontrib>Hosseinzadeh, Ali</creatorcontrib><title>Effects of Raw Material Molar Ratio and Addition of Mg on Titanium Aluminide–Alumina Composite Formation Mechanism</title><title>Powder metallurgy and metal ceramics</title><addtitle>Powder Metall Met Ceram</addtitle><description>In this study, the effects of molar ratio of the raw materials (TiO
2
and Al) and the addition of Mg on the titanium aluminide–alumina composite formation mechanism were investigated. To do this, in the first step, three molar ratios of 1.5 : 6.5, 1.5 : 3.5, and 3 : 5 of TiO
2
: Al, with no presence of Mg and, in the second step, the same molar ratios with 2 wt.% Mg were used. Differential thermal analysis was applied to determine the critical temperatures of each ratio. Based on DTA results, the heat treatment was performed. It is found that with increasing the aluminum content, the reactions accelerate due to merge of the sub-reactions, and subsequently this causes the transient phase number to decrease. In the second step of the experiments, Mg was added to the previously mentioned molar ratios of TiO and Al. Mg reduced the reaction temperatures and accelerated the reaction processes as a result of low melting point eutectic formation.</description><subject>Aluminum oxide</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Differential thermal analysis</subject><subject>Glass</subject><subject>Heat treatment</subject><subject>Intermetallic compounds</subject><subject>Magnesium</subject><subject>Materials Science</subject><subject>Melting points</subject><subject>Metallic Materials</subject><subject>Natural Materials</subject><subject>Raw materials</subject><subject>Structural Materials Research</subject><subject>Titanium</subject><subject>Titanium aluminides</subject><subject>Titanium base alloys</subject><subject>Titanium dioxide</subject><issn>1068-1302</issn><issn>1573-9066</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kcFqGzEQhpfSQNIkL5CTIOdNRyutZB2NSZqCTaGkZyFrZ12Z3ZUjyZTe-g55wzxJxtlCb2UO8zP832jEX1U3HO44gP6cOeegauCmBoBW1PJDdcFbLWoDSn0kDWpRcwHNefUp5z0AYZJfVOW-79GXzGLPvrtfbOMKpuAGtomDSzQqITI3dWzZdYH0dDJudozEUyhuCseRLYfjGKbQ4eufl1k7torjIeZQkD3ENLp3coP-JxF5vKrOejdkvP7bL6sfD_dPq8d6_e3L19VyXXsBptSdEYC6oU-BWLTKaM-3CAuj0W3BOOm9VnzrjMfWSO8UaK1QStCiUwZaIy6r23nvIcXnI-Zi9_GYJnrSNg0x0DS6Jdfd7Nq5AW2Y-liS81QdjsHHCftA8yXt06ClVAQ0M-BTzDlhbw8pjC79thzsKQ47x2Hpcvseh5UEiRnKZJ52mP7d8h_qDfTVjO4</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Khoshhal, Razieh</creator><creator>Hosseinzadeh, Ali</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20190601</creationdate><title>Effects of Raw Material Molar Ratio and Addition of Mg on Titanium Aluminide–Alumina Composite Formation Mechanism</title><author>Khoshhal, Razieh ; Hosseinzadeh, Ali</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c309t-d930e720190385697c1be0897eab09a4cc761ba9ce594ca60776e44073d690593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum oxide</topic><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Differential thermal analysis</topic><topic>Glass</topic><topic>Heat treatment</topic><topic>Intermetallic compounds</topic><topic>Magnesium</topic><topic>Materials Science</topic><topic>Melting points</topic><topic>Metallic Materials</topic><topic>Natural Materials</topic><topic>Raw materials</topic><topic>Structural Materials Research</topic><topic>Titanium</topic><topic>Titanium aluminides</topic><topic>Titanium base alloys</topic><topic>Titanium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Khoshhal, Razieh</creatorcontrib><creatorcontrib>Hosseinzadeh, Ali</creatorcontrib><collection>CrossRef</collection><jtitle>Powder metallurgy and metal ceramics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Khoshhal, Razieh</au><au>Hosseinzadeh, Ali</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Raw Material Molar Ratio and Addition of Mg on Titanium Aluminide–Alumina Composite Formation Mechanism</atitle><jtitle>Powder metallurgy and metal ceramics</jtitle><stitle>Powder Metall Met Ceram</stitle><date>2019-06-01</date><risdate>2019</risdate><volume>58</volume><issue>1-2</issue><spage>104</spage><epage>112</epage><pages>104-112</pages><issn>1068-1302</issn><eissn>1573-9066</eissn><abstract>In this study, the effects of molar ratio of the raw materials (TiO
2
and Al) and the addition of Mg on the titanium aluminide–alumina composite formation mechanism were investigated. To do this, in the first step, three molar ratios of 1.5 : 6.5, 1.5 : 3.5, and 3 : 5 of TiO
2
: Al, with no presence of Mg and, in the second step, the same molar ratios with 2 wt.% Mg were used. Differential thermal analysis was applied to determine the critical temperatures of each ratio. Based on DTA results, the heat treatment was performed. It is found that with increasing the aluminum content, the reactions accelerate due to merge of the sub-reactions, and subsequently this causes the transient phase number to decrease. In the second step of the experiments, Mg was added to the previously mentioned molar ratios of TiO and Al. Mg reduced the reaction temperatures and accelerated the reaction processes as a result of low melting point eutectic formation.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11106-019-00053-4</doi><tpages>9</tpages></addata></record> |
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| identifier | ISSN: 1068-1302 |
| ispartof | Powder metallurgy and metal ceramics, 2019-06, Vol.58 (1-2), p.104-112 |
| issn | 1068-1302 1573-9066 |
| language | eng |
| recordid | cdi_proquest_journals_2259402275 |
| source | SpringerNature Journals |
| subjects | Aluminum oxide Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Composites Differential thermal analysis Glass Heat treatment Intermetallic compounds Magnesium Materials Science Melting points Metallic Materials Natural Materials Raw materials Structural Materials Research Titanium Titanium aluminides Titanium base alloys Titanium dioxide |
| title | Effects of Raw Material Molar Ratio and Addition of Mg on Titanium Aluminide–Alumina Composite Formation Mechanism |
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