Structure and Properties of Ni3Al Intermetallic Under Vacuum Impact Sintering
The compaction, structure, and mechanical properties of Ni 3 Al intermetallic, corresponding to PN85Yu15 commercial powder and mainly consisting of 50–100 μm particles, are studied. The preforms were subjected to impact sintering in 0.013 Pa vacuum at 1100, 1150, 1200, 1250, and 1300°C. Isothermal h...
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| Veröffentlicht in: | Powder metallurgy and metal ceramics 2016-01, Vol.54 (9-10), p.554-567 |
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| creator | Laptev, A. V. Tolochin, A. I. Kovalchenko, M. S. Evich, Ya. I. Okun’, I. Yu |
| description | The compaction, structure, and mechanical properties of Ni
3
Al intermetallic, corresponding to PN85Yu15 commercial powder and mainly consisting of 50–100 μm particles, are studied. The preforms were subjected to impact sintering in 0.013 Pa vacuum at 1100, 1150, 1200, 1250, and 1300°C. Isothermal holding at these temperatures lasted for 20 min. The samples were compacted at an impact energy of 1200 J/cm
3
and an initial impact velocity of 6.5 m/sec. The disk samples were used to cut out rectangular bars to determine their density, resistivity, bending, tensile, and compression strength, conditional fracture toughness, and fracture energy (for notched samples). The Vickers hardness and plasticity of the samples were evaluated in different types of tests. The mechanical properties of Ni
3
Al intermetallic powder samples compacted at 1250°C and higher temperatures are consistent with those of the standard conventionally melted intermetallic. In particular, the average bending strength is 650–675 MPa, tensile strength 385–400 MPa, fracture toughness 14.6–18.2 MPa · m
1/2
, compression strength 1650 MPa, and Vickers hardness 2500–2600 MPa. |
| doi_str_mv | 10.1007/s11106-016-9749-4 |
| format | Article |
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3
Al intermetallic, corresponding to PN85Yu15 commercial powder and mainly consisting of 50–100 μm particles, are studied. The preforms were subjected to impact sintering in 0.013 Pa vacuum at 1100, 1150, 1200, 1250, and 1300°C. Isothermal holding at these temperatures lasted for 20 min. The samples were compacted at an impact energy of 1200 J/cm
3
and an initial impact velocity of 6.5 m/sec. The disk samples were used to cut out rectangular bars to determine their density, resistivity, bending, tensile, and compression strength, conditional fracture toughness, and fracture energy (for notched samples). The Vickers hardness and plasticity of the samples were evaluated in different types of tests. The mechanical properties of Ni
3
Al intermetallic powder samples compacted at 1250°C and higher temperatures are consistent with those of the standard conventionally melted intermetallic. In particular, the average bending strength is 650–675 MPa, tensile strength 385–400 MPa, fracture toughness 14.6–18.2 MPa · m
1/2
, compression strength 1650 MPa, and Vickers hardness 2500–2600 MPa.</description><identifier>ISSN: 1068-1302</identifier><identifier>EISSN: 1573-9066</identifier><identifier>DOI: 10.1007/s11106-016-9749-4</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Bend strength ; Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Composites ; Compressive strength ; Diamond pyramid hardness ; Fracture toughness ; Glass ; Impact velocity ; Intermetallic compounds ; Materials Science ; Mechanical properties ; Metallic Materials ; Natural Materials ; Nickel aluminides ; Preforms ; Sintering (powder metallurgy) ; Tensile strength</subject><ispartof>Powder metallurgy and metal ceramics, 2016-01, Vol.54 (9-10), p.554-567</ispartof><rights>Springer Science+Business Media New York 2016</rights><rights>Copyright Springer Science & Business Media 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c456t-662fd95aa18a0f24253914341af5649df3987a9463495d760a2494c182eae1db3</citedby><cites>FETCH-LOGICAL-c456t-662fd95aa18a0f24253914341af5649df3987a9463495d760a2494c182eae1db3</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/s11106-016-9749-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11106-016-9749-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Laptev, A. V.</creatorcontrib><creatorcontrib>Tolochin, A. I.</creatorcontrib><creatorcontrib>Kovalchenko, M. S.</creatorcontrib><creatorcontrib>Evich, Ya. I.</creatorcontrib><creatorcontrib>Okun’, I. Yu</creatorcontrib><title>Structure and Properties of Ni3Al Intermetallic Under Vacuum Impact Sintering</title><title>Powder metallurgy and metal ceramics</title><addtitle>Powder Metall Met Ceram</addtitle><description>The compaction, structure, and mechanical properties of Ni
3
Al intermetallic, corresponding to PN85Yu15 commercial powder and mainly consisting of 50–100 μm particles, are studied. The preforms were subjected to impact sintering in 0.013 Pa vacuum at 1100, 1150, 1200, 1250, and 1300°C. Isothermal holding at these temperatures lasted for 20 min. The samples were compacted at an impact energy of 1200 J/cm
3
and an initial impact velocity of 6.5 m/sec. The disk samples were used to cut out rectangular bars to determine their density, resistivity, bending, tensile, and compression strength, conditional fracture toughness, and fracture energy (for notched samples). The Vickers hardness and plasticity of the samples were evaluated in different types of tests. The mechanical properties of Ni
3
Al intermetallic powder samples compacted at 1250°C and higher temperatures are consistent with those of the standard conventionally melted intermetallic. In particular, the average bending strength is 650–675 MPa, tensile strength 385–400 MPa, fracture toughness 14.6–18.2 MPa · m
1/2
, compression strength 1650 MPa, and Vickers hardness 2500–2600 MPa.</description><subject>Bend strength</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Compressive strength</subject><subject>Diamond pyramid hardness</subject><subject>Fracture toughness</subject><subject>Glass</subject><subject>Impact velocity</subject><subject>Intermetallic compounds</subject><subject>Materials Science</subject><subject>Mechanical properties</subject><subject>Metallic Materials</subject><subject>Natural Materials</subject><subject>Nickel aluminides</subject><subject>Preforms</subject><subject>Sintering (powder metallurgy)</subject><subject>Tensile strength</subject><issn>1068-1302</issn><issn>1573-9066</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LxDAQhoMouK7-AG8Bz9GZJE2b47Kou7B-wLpeQ2xT6dIvk_Tgv7elgidPM4f3eYd5CLlGuEWA9C4gIigGqJhOpWbyhCwwSQXToNTpuIPKGArg5-QihCPASElckKd99EMeB--obQv66rve-Vi5QLuSPldiVdNtG51vXLR1XeX00BbO03ebD0NDt01v80j31RSp2s9LclbaOrir37kkh4f7t_WG7V4et-vVjuUyUZEpxctCJ9ZiZqHkkidCoxQSbZkoqYtS6Cy1WiohdVKkCiyXWuaYcWcdFh9iSW7m3t53X4ML0Ry7wbfjScNBiUxlSsOYwjmV-y4E70rT-6qx_tsgmMmama2Z0ZqZrBk5MnxmQj895Pxf8__QD0KgbgA</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Laptev, A. V.</creator><creator>Tolochin, A. I.</creator><creator>Kovalchenko, M. S.</creator><creator>Evich, Ya. I.</creator><creator>Okun’, I. Yu</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20160101</creationdate><title>Structure and Properties of Ni3Al Intermetallic Under Vacuum Impact Sintering</title><author>Laptev, A. V. ; Tolochin, A. I. ; Kovalchenko, M. S. ; Evich, Ya. I. ; Okun’, I. Yu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c456t-662fd95aa18a0f24253914341af5649df3987a9463495d760a2494c182eae1db3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Bend strength</topic><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Compressive strength</topic><topic>Diamond pyramid hardness</topic><topic>Fracture toughness</topic><topic>Glass</topic><topic>Impact velocity</topic><topic>Intermetallic compounds</topic><topic>Materials Science</topic><topic>Mechanical properties</topic><topic>Metallic Materials</topic><topic>Natural Materials</topic><topic>Nickel aluminides</topic><topic>Preforms</topic><topic>Sintering (powder metallurgy)</topic><topic>Tensile strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Laptev, A. V.</creatorcontrib><creatorcontrib>Tolochin, A. I.</creatorcontrib><creatorcontrib>Kovalchenko, M. S.</creatorcontrib><creatorcontrib>Evich, Ya. I.</creatorcontrib><creatorcontrib>Okun’, I. Yu</creatorcontrib><collection>CrossRef</collection><jtitle>Powder metallurgy and metal ceramics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Laptev, A. V.</au><au>Tolochin, A. I.</au><au>Kovalchenko, M. S.</au><au>Evich, Ya. I.</au><au>Okun’, I. Yu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure and Properties of Ni3Al Intermetallic Under Vacuum Impact Sintering</atitle><jtitle>Powder metallurgy and metal ceramics</jtitle><stitle>Powder Metall Met Ceram</stitle><date>2016-01-01</date><risdate>2016</risdate><volume>54</volume><issue>9-10</issue><spage>554</spage><epage>567</epage><pages>554-567</pages><issn>1068-1302</issn><eissn>1573-9066</eissn><abstract>The compaction, structure, and mechanical properties of Ni
3
Al intermetallic, corresponding to PN85Yu15 commercial powder and mainly consisting of 50–100 μm particles, are studied. The preforms were subjected to impact sintering in 0.013 Pa vacuum at 1100, 1150, 1200, 1250, and 1300°C. Isothermal holding at these temperatures lasted for 20 min. The samples were compacted at an impact energy of 1200 J/cm
3
and an initial impact velocity of 6.5 m/sec. The disk samples were used to cut out rectangular bars to determine their density, resistivity, bending, tensile, and compression strength, conditional fracture toughness, and fracture energy (for notched samples). The Vickers hardness and plasticity of the samples were evaluated in different types of tests. The mechanical properties of Ni
3
Al intermetallic powder samples compacted at 1250°C and higher temperatures are consistent with those of the standard conventionally melted intermetallic. In particular, the average bending strength is 650–675 MPa, tensile strength 385–400 MPa, fracture toughness 14.6–18.2 MPa · m
1/2
, compression strength 1650 MPa, and Vickers hardness 2500–2600 MPa.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11106-016-9749-4</doi><tpages>14</tpages></addata></record> |
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| ispartof | Powder metallurgy and metal ceramics, 2016-01, Vol.54 (9-10), p.554-567 |
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| subjects | Bend strength Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Composites Compressive strength Diamond pyramid hardness Fracture toughness Glass Impact velocity Intermetallic compounds Materials Science Mechanical properties Metallic Materials Natural Materials Nickel aluminides Preforms Sintering (powder metallurgy) Tensile strength |
| title | Structure and Properties of Ni3Al Intermetallic Under Vacuum Impact Sintering |
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