Hafnium-Based Bulk Metallic Glasses for Kinetic Energy Penetrators
A new family of quinary, hafnium-based, bulk-metallic glass-forming alloys has been developed for use in composite kinetic-energy penetrators. The alloys are based on an invariant point identified in the hafnium copper-nickel ternary system. They are denser than zirconium-based glass-forming composi...
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| creator | Kecskes, Laszlo J Edwards, Brian T Woodman, Robert H |
| description | A new family of quinary, hafnium-based, bulk-metallic glass-forming alloys has been developed for use in composite kinetic-energy penetrators. The alloys are based on an invariant point identified in the hafnium copper-nickel ternary system. They are denser than zirconium-based glass-forming compositions, and exhibit a higher reduced glass-transition temperature than alloys prepared by 1:1 hafnium substitution into the zirconium-based alloys. The combination of density and glass-forming ability exhibited by this alloy moves the composite technology closer to being a viable substitute for depleted-uranium penetrators.
See also ADM001736, Proceedings of the Army Science Conference (24th) held in Orlando, FL on 29 Nov-2 Dec 2004. The original document contains color images. |
| format | Report |
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See also ADM001736, Proceedings of the Army Science Conference (24th) held in Orlando, FL on 29 Nov-2 Dec 2004. The original document contains color images.</description><subject>Ammunition and Explosives</subject><subject>BMG(BULK METALLIC GLASS)</subject><subject>BULK MATERIALS</subject><subject>Ceramics, Refractories and Glass</subject><subject>COMPONENT REPORTS</subject><subject>COMPOSITE MATERIALS</subject><subject>COPPER NICKEL ALLOYS</subject><subject>DEPLETED URANIUM</subject><subject>GLASS</subject><subject>HAFNIUM ALLOYS</subject><subject>KINETIC ENERGY PROJECTILES</subject><subject>METALLIC TEXTILES</subject><subject>Metallurgy and Metallography</subject><subject>SYMPOSIA</subject><subject>TRANSITION TEMPERATURE</subject><subject>ZIRCONIUM ALLOYS</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>2004</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZHDySEzLyyzN1XVKLE5NUXAqzclW8E0tSczJyUxWcM9JLC5OLVZIyy9S8M7MSy0BirnmpRalVyoEpAK5RYkl-UXFPAysaYk5xam8UJqbQcbNNcTZQzcFqD6-uASkMd7RxdHE2NjYwMiYgDQA_mUukQ</recordid><startdate>200412</startdate><enddate>200412</enddate><creator>Kecskes, Laszlo J</creator><creator>Edwards, Brian T</creator><creator>Woodman, Robert H</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>200412</creationdate><title>Hafnium-Based Bulk Metallic Glasses for Kinetic Energy Penetrators</title><author>Kecskes, Laszlo J ; Edwards, Brian T ; Woodman, Robert H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA4333023</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Ammunition and Explosives</topic><topic>BMG(BULK METALLIC GLASS)</topic><topic>BULK MATERIALS</topic><topic>Ceramics, Refractories and Glass</topic><topic>COMPONENT REPORTS</topic><topic>COMPOSITE MATERIALS</topic><topic>COPPER NICKEL ALLOYS</topic><topic>DEPLETED URANIUM</topic><topic>GLASS</topic><topic>HAFNIUM ALLOYS</topic><topic>KINETIC ENERGY PROJECTILES</topic><topic>METALLIC TEXTILES</topic><topic>Metallurgy and Metallography</topic><topic>SYMPOSIA</topic><topic>TRANSITION TEMPERATURE</topic><topic>ZIRCONIUM ALLOYS</topic><toplevel>online_resources</toplevel><creatorcontrib>Kecskes, Laszlo J</creatorcontrib><creatorcontrib>Edwards, Brian T</creatorcontrib><creatorcontrib>Woodman, Robert H</creatorcontrib><creatorcontrib>ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kecskes, Laszlo J</au><au>Edwards, Brian T</au><au>Woodman, Robert H</au><aucorp>ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Hafnium-Based Bulk Metallic Glasses for Kinetic Energy Penetrators</btitle><date>2004-12</date><risdate>2004</risdate><abstract>A new family of quinary, hafnium-based, bulk-metallic glass-forming alloys has been developed for use in composite kinetic-energy penetrators. The alloys are based on an invariant point identified in the hafnium copper-nickel ternary system. They are denser than zirconium-based glass-forming compositions, and exhibit a higher reduced glass-transition temperature than alloys prepared by 1:1 hafnium substitution into the zirconium-based alloys. The combination of density and glass-forming ability exhibited by this alloy moves the composite technology closer to being a viable substitute for depleted-uranium penetrators.
See also ADM001736, Proceedings of the Army Science Conference (24th) held in Orlando, FL on 29 Nov-2 Dec 2004. The original document contains color images.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | Ammunition and Explosives BMG(BULK METALLIC GLASS) BULK MATERIALS Ceramics, Refractories and Glass COMPONENT REPORTS COMPOSITE MATERIALS COPPER NICKEL ALLOYS DEPLETED URANIUM GLASS HAFNIUM ALLOYS KINETIC ENERGY PROJECTILES METALLIC TEXTILES Metallurgy and Metallography SYMPOSIA TRANSITION TEMPERATURE ZIRCONIUM ALLOYS |
| title | Hafnium-Based Bulk Metallic Glasses for Kinetic Energy Penetrators |
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